СМАЗОЧНАЯ КОМПОЗИЦИЯ ДЛЯ ДВИГАТЕЛЯ

Настоящее изобретение относится к смазочной композиции, содержащей: (а) одно или несколько полиалкиленгликолевых базовых масел, представляющих собой сополимеры бутиленоксида и пропиленоксида, (б) по меньшей мере один детергент, выбранный из салицилатов или фенолятов, в количестве от 0,2 до 2 мас.%, где полиалкиленгликолевое(ые) базовое(ые) масло(а) (а) получено(ы) в результате реакции по меньшей мере одного спирта, содержащего от 8 до 20 атомов углерода, и смеси бутиленоксида и пропиленоксида, причем указанная смесь имеет массовое соотношение бутиленоксида к пропиленоксиду, составляющее от 3:1 до 1:3, и кинематическая вязкость полиалкиленгликолевых базовых масел при 100°C, измеренная в соответствии со стандартом ASTM D445, составляет от 1 до 12 сСт. Также настоящее изобретение относится к применению смазочной композиции (варианты). Техническим результатом настоящего изобретения является получение смазочной композиции с уменьшенной испаряемостью по Ноак. 4 н. и 31 з.п. ф-лы, 4 табл.

КОМПОЗИЦИЯ КОНСИСТЕНТНОЙ СМАЗКИ С ПОВЫШЕННЫМИ АНТИКОРРОЗИОННЫМИ СВОЙСТВАМИ И СОПРОТИВЛЕНИЕМ ИЗНОСУ, СПОСОБ ПОЛУЧЕНИЯ СМАЗКИ

Изобретение относится к области смазочных материалов. Сущность: консистентная смазка, содержащая масляную основу и загуститель, дополнительно содержит от 0,05% до 30 вес.% тиосульфата натрия и, по меньшей мере, 0,1 вес.% одной или нескольких присадок (А), выбранных из группы, включающей салицилат кальция, салицилат магния, фенолят кальция и/или сульфонат кальция, в расчете на всю смазку. Указанная консистентная смазка применяется для предотвращения коррозии и повышения износостойкости. Консистентную смазку получают путем предварительного смешения тиосульфата натрия с одной или несколькими присадками (А) и добавления смеси к основе смазки, содержащей базовое масло и загуститель, или путем введения в основу смазки тиосульфата натрия и одной или нескольких присадок (А) по отдельности. Технический результат - повышение ингибирующих коррозию свойств и износостойкости при сохранении противозадирных свойств. 3 с. и 7 з.п. ф-лы, 9 табл.

Металлические соединения каликсаренов, содержащие их моющие составы и их применение в составах смазочных масел

Настоящее изобретение относится к продукту для применения в моющих составах, содержащему смесь металлических соединений каликсарена, не содержащего серы и диспергируемого в масле, которые могут быть частично представлены в виде соли, или быть нейтральными, или основными, или сверхосновными. Указанный каликсарен имеет общую формулу (I)в которой a) R, R, Rи Rнезависимо выбраны из водорода или линейного или разветвленного алкила с числом атомов углерода от 6 до 18; b) Rи Rпредставляют атомы водорода; c) n - число звеньев каликсаренового кольца, которое составляет 5, 6, 8; при этом по меньшей мере в одном из n звеньев каликсаренового кольца по меньшей мере один из заместителей R, R, Rи Rсодержит по меньшей мере одну кислотную группу карбонового типа, доступную для реакции с металлическим основанием, в котором металл выбран из щелочных металлов и щелочноземельных металлов, при условии, что указанная кислотная группа карбонового типа не содержится в звене каликсаренового кольца, относящегося ...

СМАЗОЧНАЯ КОМПОЗИЦИЯ

Настоящее изобретение относится к смазочной композиции, включающей базовое масло и одну или несколько добавок, при этом композиция включает моющую присадку, представляющую собой продукт взаимодействия кислотного органического соединения, соединения бора и основного органического соединения общей формулы (I), где а равно 1 или 2 и где Rи Rпредставляют собой независимо выбранные углеводородные группы, при условии, что когда а равно 2, группы Rи Rвыбраны независимо, и имеет содержание сульфатной золы (согласно ASTM D 874) по меньшей мере 0,1 мас. % и самое большее 0,60 мас. %; и величину общего щелочного числа (TBN) (согласно ASTM D 2896) по меньшей мере 8,0 мг КОН/г и самое большее 15,0 мг КОН/г, содержание кальция (согласно ASTM D 4951) свыше 0,10 мас. % и самое большее 0,15 мас. %. Также настоящее изобретение относится к применению смазочной композиции в газовом двигателе для улучшения устойчивости к окислению и сохранения щелочного числа. 2 н. и 3 з.п. ф-лы, 3 пр., 2 табл.

СМАЗОЧНАЯ КОМПОЗИЦИЯ, ИНГИБИРУЮЩАЯ АДСОРБЦИЮ АЛЬФА-ОЛЕФИНА, СПОСОБ ИНГИБИРОВАНИЯ АДСОРБЦИИ И ИНГИБИТОР АДСОРБЦИИ

В настоящем изобретении раскрыт способ применения производного саркозиновой кислоты, производного аспарагиновой кислоты, или производного диэтаноламина, или их смеси для ингибирования адсорбции α-олефина, присутствующего в смазочной композиции, на поверхности металла, когда смазочная композиция содержит в качестве базового масла любое из масел из группы III, группы IV и полиизобутилены, отнесенные к группе V в соответствии с классификацией базовых масел по API, или их смесь, и α-олефин, присутствующий в количестве 1 мас. % или менее относительно общей массы композиции, где производное саркозиновой кислоты описывается следующей формулой (1), где функциональная группа Rобозначает алкил C; где производное аспарагиновой кислоты описывается следующей формулой (2), где функциональные группы Rи Rобозначают водород или один и тот же или разный алкил C, алкенил или гидроксиалкил; функциональная группа Rобозначает алкил Cили алкенил, алкил C, имеющий эфирную связь, или гидроксиалкил; и функциональная ...

СМАЗОЧНАЯ КОМПОЗИЦИЯ ДЛЯ ДВИГАТЕЛЯ

Изобретение относится к смазочным композициям для двигателя, содержащим по меньшей мере одно базовое масло, по меньшей мере одну полимерную присадку, улучшающую индекс вязкости, и по меньшей мере один полиалкиленгликоль, полученный полимеризацией или сополимеризацией алкиленоксидов, содержащих от 3 до 8 атомов углерода, включая по меньшей мере один бутиленоксид, причем количество полиалкиленгликоля составляет от 2 до 15 мас.%, из расчета на общую массу смазочной композиции. Применение по меньшей мере одного полиалкиленгликоля, полученного полимеризацией или сополимеризацией алкиленоксидов, содержащих от 3 до 8 атомов углерода, включая по меньшей мере один бутиленоксид, в базовом масле для улучшения чистоты двигателя без увеличения и даже с уменьшением расхода бензина или дизельного топлива. 3 н. и 8 з.п. ф-лы, 3 табл.

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

Настоящее изобретение относится к композиции смазочного масла, содержащей базовое масло и в качестве компонента (а) от 0,5 до 1,5 мас.% сложного моно- или диэфира глицерина и прямоцепной или разветвленной жирной кислоты с числом атомов углерода от 6 до 20, имеющей насыщенную гидрокарбильную группу; в качестве компонента (b) от 0,1 до 0,5 мас.% производного триазола, представленного общей формулой (1), где Rпредставляет собой водород или гидрокарбильную группу с числом атомов углерода от 1 до 3, Rи Rсоответственно независимо представляют водород или гидрокарбильную группу с числом атомов углерода от 1 до 20; и в качестве компонента (с) от 0,01 до 0,2 мас.% в расчете на фосфор смеси первичного диалкилдитиофосфата цинка, алкильная группа которого представляет собой первичную гидрокарбильную группу, и вторичного диалкилдитиофосфата цинка, алкильная группа которого представляет собой вторичную гидрокарбильную группу; при этом отношение компонент (а)/компонент (b) составляет от 1,5 до 8. Техническим ...

СУДОВОЕ МАСЛО

Настоящее изобретение относится к цилиндровому маслу, имеющему BN, не менее 40 миллиграмм гидроксида калия на грамм масла, содержащему базовое масло для судового двигателя и по меньшей мере один сверхщелочной детергент на основе щелочных или щелочноземельных металлов, характеризующееся тем, что оно дополнительно содержит от 0,01 масс.% до 10 масс.% от общей массы масла одного или нескольких соединений (А), выбранных из сложных эфиров насыщенных жирных монокислот, содержащих не менее 14 атомов углерода, и спиртов, содержащих не более 6 атомов углерода, где соединения (А) выбраны из моноэфиров одноатомных спиртов и диэфиров, и где по меньшей мере один сверхщелочной детергент на основе щелочных или щелочноземельных металлов выбран из группы, состоящей из фенолятов, сульфонатов, салицилатов и смесей указанных детергентов, где указанный детергент является сверхщелочным за счет карбоната кальция. Также настоящее изобретение относится к применению цилиндрового масла (варианты), к способам получения ...

СМАЗОЧНОЕ МАСЛО ДЛЯ ДВИГАТЕЛЕЙ ВНУТРЕННЕГО СГОРАНИЯ

Смазочное масло для двигателей внутреннего сгорания содержит, (в % ): 0,01 - 2,00 неполного сложного эфира жирной кислоты и многоатомного спирта, 0,01 - 15 продукта взаимодействия полиизобутиленянтарной кислоты с алкиленполиамином, 0,01 - 2,0 соли металла диалкилдитиофосфорной кислоты и до 100 нефтяного масла. Продукт взаимодействия получен на основе полиизобутиленянтарной кислоты, содержащей 1,3 - 4 групп янтарной кислоты на эквивалентную массу полиизобутилена, имеющего средне-числовую мол. м. 1300 - 5000 и отношение среднемассовой мол. м. к средне-числовой составляет 1,5 - 4,5. Содержание алкиленполиамина составляет 1 - 2 молярных эквивалента на эквивалент кислоты. В соли диалкилдитиофосфорной кислоты один алкил представляет изопропил или вторичный бутил, другой алкил содержит 5 - 13 атомов углерода при содержании 10 - 90% молярных изопропильных или вторичных бутильных групп. Металлом является металл II группы, алюминий, олово, железо, кобальт, свинец, молибден, марганец, никель или медь ...

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

... 1. Применение в композиции смазочного масла, содержащей базовое масло, одной или более магнийсодержащих моющих присадок для уменьшения засорения дизельного фильтра твердых частиц. 2. Применение по п.1, в котором засорение измеряется с помощью теста дизельного фильтра твердых частиц Volkswagen. 3. Применение по п.1 или 2, в котором композиция смазочного масла содержит сульфатированную золу в количестве не более 1,0 мас.% по отношению к общему весу композиции смазочного масла. 4. Применение по п.1 или 2, в котором одну или более магнийсодержащих моющих присадок выбирают из магний-салицилатных моющих присадок, магний-фенолятных моющих присадок, магний-сульфонатных моющих присадок. 5. Применение по п.4, в котором одна или каждая из более чем одной магнийсодержащих моющих присадок имеют независимо TBN (общее щелочное число), измеренное согласно ISO 3771, в пределах от 30 до 600 мг КОН/г. 6. Применение по п.1 или 2, в котором базовое масло выбирают из минерального масла и/или синтетического масла ...

КОМПОЗИЦИЯ СМАЗОЧНОГО МАСЛА

... 1. Композиция смазочного масла для двигателей внутреннего сгорания, включающая (А) базовое масло для смазочного масла, (В) сульфированный дитиокарбамат оксимолибдена, представленный формулой (I): ! [Ka 1] ! ! (в формуле (I) каждый R1-R4 представляет независимо гидрокарбильную группу, содержащую от 4 до 22 атомов углерода, и каждый X1-Х4 представляют атом серы или атом кислорода), (С) соединение на основе амида кислоты, (D) (d1) частичный сложный эфир жирной кислоты и/или (d2) алифатический амин и (E) производное бензотриазола, представленное формулой (II): ! [Ka 2] ! ! (в формуле (II) каждый из символов R5 и R6 представляют независимо гидрокарбильную группу, содержащую от 1 до 30 атомов углерода, которая может содержать атом кислорода, атом серы или атом азота), где содержание компонента (B) составляет от 0,02 до 0,1 мас.% по молибдену; содержание компонента (С) составляет от 0,2 до 1,0 мас.%; содержание компонента (D) составляет от 0,2 до 1,0 мас.% и содержание компонента (E) составляет ...

СУДОВОЕ СМАЗЫВАЮЩЕЕ ВЕЩЕСТВО ДЛЯ ЖИДКОГО ТОПЛИВА, ИМЕЮЩЕГО НИЗКОЕ И ВЫСОКОЕ СОДЕРЖАНИЕ СЕРЫ

... 1. Цилиндровое смазочное масло, имеющее значение щелочного числа, (BN), определенное согласно стандарту Американского общества испытания материалов ASTM D-2896, большее или равное 40 мг поташа на грамм смазочного масла, содержащее базовый компонент смазочного масла для судовых двигателей и, по меньшей мере, один детергент с повышенной щелочностью на основе щелочных металлов или щелочноземельных металлов, отличающееся тем, что оно также содержит ! в количестве от 0,01 до 10 мас.% относительно общей массы смазочного масла одно или более соединений (А), выбранных из первичных, вторичных или третичных моноспиртов, алкильная или алкиленовая цепочка которых является насыщенной или ненасыщенной, линейной или разветвленной и содержит, по меньшей мере, 12 атомов углерода. ! 2. Цилиндровое смазочное масло по п.1, содержащее от 0,1 до 2 мас.% соединений (А) относительно общей массы смазочного масла. ! 3. Цилиндровое смазочное масло по п.1 или 2, имеющее определенное значение BN в диапазоне от 40 до ...

Металлические соединения каликсаренов, содержащие их моющие составы и их применение в составах смазочных масел

СМАЗОЧНАЯ КОМПОЗИЦИЯ ДЛЯ ДВИГАТЕЛЯ

... 1. Смазочная композиция, содержащая:(а) одно или несколько полиалкиленгликолевых базовых масел, полученных полимеризацией или сополимеризацией алкиленоксидов, содержащих от 3 до 8 атомов углерода, включающих по меньшей мере один бутиленоксид,(б) по меньшей мере один детергент, выбранный из салицилатов или фенолятов.2. Смазочная композиция по п.1, где полиалкиленгликолевое(ые) базовое(ые) масло(а) (а) являются сополимерами бутиленоксида и пропиленоксида.3. Смазочная композиция по одному из пп.1-2, где полиалкиленовое(ые) базовое(ые) масло(а) (а) получено(ы) в результате реакции по меньшей мере одного спирта, содержащего от 8 до 20 атомов углерода, и смеси бутиленоксида и пропиленоксида, причем указанная смесь имеет массовое соотношение бутиленоксида к пропиленоксиду, составляющее от 3:1 до 1:3, предпочтительно от 3:1 до 1:1.4. Композиция по п.3, где полиалкиленгликолевое(ые) базовое(ые) масло(а) (а) является(ются) таковым(и), что спирт(ы), с которым(и) их можно получить, включает(ют) от ...

LUBRICANT COMPOSITION FOR INTERNAL ENGINES

Carbonsäureester enthaltendes Schmiermittel

Schmiermittelzusammensetzungen

Verfahren zur Herstellung von gemischten, oelloeslichen basischen Metallsalzen organischer Sulfon- oder Carbonsaeuren

LUBRICATING COMPOSITION

SCHMIERÖLZUSAMMENSETZUNGEN.

Brennstoff- und Schmiermittelgemische

Zusatzzusammensetzungen für Schmiermittel und funktionelle Flüssigkeiten

SUPERALKALISED DETERGENT-DISPERSANT ADDITIVE FOR LUBRICATING OILS

KURBELGEHÄUSESCHMIERMITTEL MIT NIEDRIGEM CHLORGEHALT UND MIT NIEDRIGEM ASCHEGEHALT

Titan-enthaltende Schmierölzusammensetzung

Vollständig formulierte Schmierölzusammensetzung, umfassend mindestens ein Succinimid-Dispergiermittel, abgeleitet von einer Polyalkylenverbindung mit mehr als 45 % Vinyliden-Doppelbindungen in der Verbindung, ein metallhaltiges Detergenz, mindestens ein Verschleißverringerungsmittel, mindestens ein Antioxidationsmittel und eine kohlenwasserstofflösliche Titanverbindung als ein Reibungsmodifizierungsmittel, wobei die Schmierölzusammensetzung frei von Molybdänverbindungen ist und 0,7 Gew.-% Schwefel oder weniger und bis 0,12 Gew.-% Phosphor oder weniger enthält.

SCHMIERMITTEL

LUBRICATING OIL COMPOSITIONS AND CONCENTRATES

Lubricating oil compositions containing carboxylic and derivatives

A lubricating oil formulation is described which is useful in internal combustion engines. More particularly, lubricating oil compositions for internal combustion engines are described with comprises (A) at least about 60% by weight of oil of lubricating viscosity, (B) at least about 2.0% by weight of at least one carboxylic derivative composition produced by reacting (B-1) at least one substituted succinic acylating agent with (B-2) from about 0.70 equivalent up to less than one equivalent, per equivalent of acylating agent, of at least one amine compound characterized by the presence within its structure of at least one HN< group, and wherein said substituted succinic acylating agent consists of substituent groups and succinic groups wherein the substituent groups are derived from a polyalkene, said polyalkene being characterized by an &upbar& Mn value of abotu 1300 to about 5000 and an &upbar& Mw/ &upbar& Mn value of about 1.5 to about 4.5, said acylating agents being characterized by ...

Titanium-containing lubricating oil composition

Lubricating oil compositions having improved corrosion and seal protection properties

Lubricating oil compositions

A fully formulated lubricating oil composition has a dispersant mixture derived from a reaction product of polyalkylene compound, a carboxylic acylating agent, and a polyamine. The polyalkylene compound of at least one dispersant in the dispersant mixture has a number average molecular weight of at least about 1200 and at least one dispersant in the dispersant mixture contains boron such that a weight ratio of boron to nitrogen (B/N) in the dispersant mixture ranges from above about 0.25 to about 1.0. The dispersant can be of the Mannich type, the succinimide type, the amine type or the Koch type, and may be boronated. A metal-containing detergent (e.g. an overbased calcium sulfonate) may also be present.

Overbased metal detergents

Lubricant composition for bio-diesel fuel engine applications

A diesel engine operating on a fuel containing from about 5 to about 100 wt. % biodiesel components is lubricated with a lubricating oil composition including a major amount of oil of lubricating viscosity, and a minor amount of at least one highly grafted, multi-functional olefin copolymer. The olefin copolymer is made by reacting an acylating agent with an olefin copolymer having a number average molecular weight greater than about 1,000 in the present of a free radical initiator to provide an acylated olefin copolymer having a degree of grafting (DOG) of the acylating agent on the olefin copolymer of at least 0.5 wt.%, and reacting the acylated olefin copolymer with an amine to provide the highly grafted, multi-functional olefin copolymer. As used, the highly grafted, multi-functional olefin copolymer is effective to reduce a viscosity increase in the lubricating oil composition for the engine.

Organo molybdenum friction-reducing antiwear additives

A hydrocarbon-soluble molybdenum complex of a hydrocarbon substituted thio-bis-phenol, e.g. the reaction product of 1-2 moles of nonyl phenol sulfides and one mole of molybdenum oxide (reacted if desired in the presence of an amine promoter), in combination with a sulfur donor provides lubricity activity to lubricating oils and other hydrocarbons including fuels.

Polar grafted polyolefins,methods for their manufacture,and lubricating oil co positions containing them

STABILIZATION OF BORATED LUBRICATING OIL ADDITIVES

REDUCTION OF FUEL CONSUMPTION OF INTERNAL COMBUSTION ENGINES AND COMPOSITION THEREFOR

LUBRICANT COMPOSITIONS

... 1402094 Hydrogenated SBR SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 21 Aug 1972 [23 Aug 1971] 39348/71 Heading C3P [Also in Division C5] A lubricant additive is provided by hydrogenating a butadiene/styrene random copolymer until 5-95% of its olefinic double bonds have been removed. Many suitable catalysts are listed the copolymer may be nydrogenated in solution in an inert solvent such as a saturated hydrocarbon. In an example, a solution of copolymer in a mixture of hexane and cyclohexane (the preparation reaction mixture) is hydrogenated at 20‹ C. and 40 kg./cm.2 using, as catalyst, a mixture of nickel 2-ethylhexanoate and aluminium triethyl in cyclohexane. Hydrogenation is stopped at 89À6% by releasing the pressure and deactivating the catalyst by adding aqueous HCl and methanol. In a comparative example, hydrogenation is continued to 98À0% removal of olefinic bonds.

N-vinyl-2-piperazinones and polymers thereof

Gasoline and lubricating oil compositions contain polymers or copolymers of N-vinyl-2-piperazinones of formula in which R1 is hydrogen; C1-C18 alkyl; aralkyl or alkaralkyl each containing up to 18 carbon atoms, and in each of which each alkyl group contains up to 8 carbon atoms; dialkylaminoalkyl of up to 12 carbon atoms, and in which each alkyl group contains up to 8 carbon atoms; or furfuryl; R2 individually, is hydrogen or methyl; R3, individually, is hydrogen; C1-C18 alkyl; phenyl; naphthyl; alkyl-, chloro- or alkoxy-substituted phenyl or naphthyl each containing up to 18 alkyl carbon atoms; aralkyl or alkaralkyl of up to 18 carbon atoms; or 2-furyl; R2 and R3 collectively, represent an alkylene group containing up to 18 carbon atoms which together with the carbon atom to which it is attached forms a ring having 5 to 7 cyclic atoms; R4, individually, is hydrogen or C1-C4 alkyl; R, individually, is hydrogen or C1-C4 alkyl and R4 and R5, collectively, represent ...

OIL COMPOSITIONS AND ADDITIVES

LUBRICANT COMPOSITIONS

Improvements in or relating to lubricating oil compositions

The lubricating oil composition of the parent Specification comprising a mineral lubricating oil with a small proportion of a polyvalent metal salt of a substituted or non-substituted aromatic monocarboxylic acid and particularly exemplifying the Ca and Zn salts of di-isopropyl salicylic acid is modified in that the additive comprises certain polyvalent metal and lithium salts of an octadecyl salicylic acid, stearyl salicylic acid or of a mixture of alkylated salicylic acids in which the alkyl groups contain 8 to 18 carbon atoms. The polyvalent metals comprise Al, Be, Ba, Ca, Mg, Co, Ni, Zn, Sr, and Sn. Full details are given of the preparation of the compounds from which the salts are derived (see Group IV), the usual standard methods being employed.ALSO:Octadecyl salicylic acid, stearyl salicylic acid, or a mixture of alkylated salicylic acids in which the alkyl groups contain 8 to 18 carbon atoms are prepared as follows: (1) salicylic acid is reacted with the appropriate olefine or primary ...

Water-in-oil emulsions useful as hydraulic fluids and lubricants

A water-in-oil emulsion used as a lubricant or hydraulic fluid comprises 20 to 45% wt. of the water phase and 55 to 80% wt. of the oil phase, the oil phase being a mineral oil containing 0.1 to 12% wt. each of (1) in oil-soluble basic aromatic carboxylate of the Group II metals of the Periodic Table and (2) an oil-soluble basic alkaline-earth metal organic sulphonate, and 0.1 to 5% wt. each of (3) an organic sulphide of formula [(R1)y-Ar-(R)x]2-Sz wherein Ar is a mono- or polynuclear aromatic nucleus, R is an alkylene radical, R1 is an alkyl or cycloalkyl radical having 1 to 18 carbon atoms, or a hydrogen or halogen atom or an amino-group, X is 0 or 1, y is 0, 1 or 2, and Z is an integer from 1 to 4, and (4) a partial ester of an alkane polyol and a fatty acid. Additives (1) specified are calcium, barium, magnesium, strontium or zinc salts of hydrocarbon-substituted benzoic, salicylic, resorcylic, anthranilic and naphthoic acids. Additives (2) specified are basic calcium, barium and magnesium ...

LUBRICATING OIL ADDITIVES,THEIR PREPARATION AND USE

Improvements in or relating to Lubricants

... 1,182,788. Polyolefin derivatives. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 1 Dec., 1967 [30 Dec., 1966], No. 58405/66. Heading C3P. [Also in Division C5] Iodine complexes comprising a reaction product having at least one positively charged nitrogen atom and at least one negatively charged iodine atom and based on two reactants one of which is iodine and the other is a reaction product of a polyamine and a succinic acid or functional derivative having on an alpha carbon atom a substantially aliphatic hydrocarbon group of 30 to 200 carbon atoms, may be prepared by adding iodine to the reaction product or by treating the polyamine with iodine before reacting it with the reaction product or with succinic acid and a polyolefin. The hydrocarbon group may be derived from a polymer of ethylene, propylene, 1-butene, isobutene or mixture thereof, which may be reacted with maleic anhydride to give the succinic reactant. The amine reactant has the formula where R1 and R2 are ...

Marine lubricant compositions

Lubricity oil composition

Process for the preparation of oil-soluble basic monovalent metal salts of organic acids

Oil-soluble basic monovalent metal salts of organic acids are prepared by reacting an oilsoluble monovalent metal salt of an organic acid, dissolved in oil, in the presence of water and/or a water miscible oxygen containing organic liquid, with an oil-insoluble monovalent metal compound, which is formed in situ, in the reaction mixture. Suitable oil-soluble metal salts are those of sulphonic acids, especially petroleum sulphonic acids, carboxylic acids especially alkylated aromatic acids with an alkyl chain of 12 or more carbon atoms, and cycloaliphatic carboxylic acids such as petroleum naphthenic acids. Salts of organic phosphoruscontaining acids or thio-acids may be used. Suitable oils are petroleum fractions (from gasoline up to lubricating oil fractions), benzene, toluene, xylene, pentane, and heptane. Examples are given of a sodium salt from alkyl substituted salicylic acids, sodium hydroxide and carbon dioxide, and of the corresponding lithium salt. The salts may be added to fuel ...

LUBRICATING GREASES

"Lubricating compositions"

A lubricating oil composition for use in the crankcase of an internal combustion engine, having improved resistance to the formation of emulsion-sludge in the area under the engine rocker cover, which contains the combination of an oxyalkylated alkylphenol-formaldehyde condensation product and tetra polyoxyethylene polyoxypropylene derivative of ethylene diamine.

USE OVER-BASIC DETERGENTIEN FOR SUSPENDING ASPHALTENEN

LUBRICATING OIL COMPOSITION

LUBRICANT COMPOSITION WITH IMPROVED PROTECTION AGAINST CORROSION OF CAMPS

LUBRICATING OIL COMPOSITION

ENGINE LUBRICATION

LUBRICATING OIL COMPOSITIONS

DRIVING POWER TRANSMISSION SYSTEM AND LUBRICANT COMPOSITION FOR IT

LUBRICATING OIL COMPOSITION

PROCEDURE FOR THE PRODUCTION OF OVER-BASIC ALKALI METAL SALTS

OVER-BASIC CALIXARATE, PROCEDURES FOR THEIR PRODUCTION, THESE CONTAINING COMPOSITIONS AND THEIR APPLICATION AS LUBRICATING OIL ADDITIVES

PHOSPHORUS ARMS LUBRICANTS.

LUBRICATING OIL COMPOSITIONS AND CONCENTRATES.

USE OF OIL-SOLUBLE DISPERSANT ADDITIVES IN OILY MIXTURES.

ENGINE OIL COMPOSITION WITH LOW ONE PHOSPHONGEHALT AND ADDITIVE COMPOSITIONS

PROCEDURE FUER THE PRODUCTION OF STABLE OELIGEN COMPOSITIONS.

Opinion board for stories instruction.

USE OF AN ADDITIVE COMPOSITION FOR IMPROVEMENT FILTERBARNESS OF LUBRICANT COMPOSITIONS CONTAMINATED WITH WATER

LUBRICANT COMPOSITIONS FOR MARINE DIESEL ENGINES

LUBRICATING OIL COMPOSITION WITH LONG LIFE SPAN WITH SPECIAL CLEANING MIXTURE

MIXED PHOSPHORUS CONNECTIONS AND THESE CONTAINING LUBRICANTS

LINEAR CONNECTIONS CONTAINING PHENOL AND SALICYLSÄURE UNITS

PROCEDURE FOR THE PRODUCTION OF POLAR OF GRAFTED POLYOLEFINS

LUBRICANT COMPOSITION WITH SMALL ASH CONTENT

SUCCINIMIDE COMPLEXES OF BORATED ALKYL CATECHOLS AND LUBRICATING OIL COMPOSITIONS CONTAINING SAME

Power transmission fluids containing alkyl phosphonates

Lubricating oil composition

Marine engine lubrication

Marine Engine Lubrication 5 A low S marine fuel trunk piston diesel engine lubricant includes an overbased metal detergent; a zinc dihydrocarbyl dithiophosphate; optionally an aminic antioxidant; and a borated ashless dispersant. The lubricant exhibits improved thermal and oxidative stability and improved high temperature detergency.

LUBRICATING OIL COMPOSITIONS AND CONCENTRATES

Zinc-free farm tractor fluid

Molybdenum-containing lubricant for improved power or fuel economy

Grease compositions

LUBRICATING OIL FOR ENGINES SUITABLE FOR REDUCING FUEL CONSUMPTION

Marine engine lubrication

Marine Engine Lubrication A trunk piston marine engine lubricating oil composition for a medium-speed compression-ignited marine engine comprises, in a major amount, an oil of lubricating viscosity containing 50 mass % or more of a Group II basestock, and, in respective minor amounts, (A) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of 5.5 or greater, and (B) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of 2 or less. The ratio of the mass of metal in detergent (A) to the mass of metal in detergent (B) is 10 or less.

Lubricating composition containing metal salixarate as detergent

Acylating agents and dispersants for lubricating oil and fuels

LUBRICATING OIL COMPOSITION TO IMPROVE FUEL ECONOMY

CONTINUOUSLY VARIABLE TRANSMISSION FLUIDS COMPRISING A COMBINATION OF CALCIUM- AND MAGNESIUM-OVERBASED DETERGENTS

LOW ASH STATIONARY GAS ENGINE LUBRICANT

Marine engine lubrication

PF2013M004 FF Marine Engine Lubrication Trunk piston marine engine crackcase lubrication is effected by a composition made by blending minor amounts of (A) a metal dithiophosphoric acid salt additive component comprising 50 mole % or more of a zinc di (C6 primary alkyl) dithiophosphate, and (B) an overbased metal detergent additive component, with (C) a major amount of an oil of lubricating viscosity.

Marine engine lubrication

PF2012MOO2 FF Marine Engine Lubrication Trunk piston marine engine lubrication, when the engine is fueled by heavy fuel oil, is effected by a composition of TBN in the range of 20 to 60 comprising a major amount of an oil of lubricating viscosity containing 50 mass % or more of a Group 1 basestock, and respective minor amounts of a calcium alkyl salicylate detergent system providing 40 to 90 mmol of calcium alkyl salicylate per kg of the composition, and I to 7 mass %, based on the mass of the composition, of an oil soluble polyalkenyl-substituted carboxylic acid anhydride, wherein the or at least one polyalkenyl group is derived from a polyalkene having a number average molecular weight of from 200 to 3,000. Asphaltene precipitation in the lubricant, caused by the presence of contaminant heavy fuel oil, is prevented or inhibited.

Marine engine lubrication

Marine Engine Lubrication A trunk piston marine engine lubricating oil composition for a medium-speed compression-ignited marine engine comprises, in a major amount, an oil of lubricating viscosity containing 50 mass % or more of a Group II basestock, and, in respective minor amounts, (A) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of 4.5 or less, and (B) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent having a basicity index of greater than 4.5. The ratio of detergent (A) to detergent (B), both expressed as mass of active ingredient, is in the range from 0.5 to 15. The trunk piston marine engine lubricating oil composition has a TBN (using ASTM D2896) of 20 to 60.

Marine engine lubrication

PF2012MOOS FF Marine Engine Lubrication A two-stroke, cross-head, slow-speed, compression-ignited marine engine is operated by (i) fuelling it with a diesel fuel, as a pilot fuel, and with a low sulphur fuel, as a main fuel; and (ii) lubricating the engine cylinder(s) with a lubricant having a BN of 20 or less and having a detergent additive system comprising one or more different metal detergents having a surfactant group selected from phenate, salicylate and sulphonate, or one or more complex metal detergents containing two or more different surfactant soap groups selected from phenate, salicylate and sulphonate, and a distilled cashew nut shell liquid or hydrogenated distilled cashew nut shell liquid.

A gas engine lubricating oil composition

PF2013M009/FF Gas Engine Lubricating Oil Composition A gas engine lubricating oil composition comprises an oil of lubricating viscosity including at least 90 mass % saturates and no more than 0.03 mass % to sulfur, a metal hydroxybenzoate detergent additive, a dispersant additive, and an aminic or phenolic antioxidant additive, and has a boron concentration, of zero or less than 90 ppm by mass, where boron, if present, is provided at least in part by a boron-containing dispersant additive. The composition exhibits improved lead corrosion properties and no adverse anti wear properties.

Low volatility luricating compositions

Grease compositions

Lubricating oil composition for internal combustion engines

Lubricating oil compositions and concentrates and the use thereof

Low-viscosity lubricating oil and functional fluid compositions

LUBRICATING OILS

Lubricating engine oil compositions containing detergent compounds

The present disclosure generally relates to a lubricating oil composition comprising an oil of lubricating viscosity, and an alkylhydroxybenzoate detergent compound.

LUBRICATING OIL COMPOSITIONS CONTAINING DETERGENT COMPOUNDS

The present disclosure generally relates to a lubricating oil composition comprising: a major amount of an oil of lubricating viscosity, and one or more detergents wherein at least one detergent is an alkylhydroxybenzoate compound. 1. A lubricating oil composition comprising:(a) a major amount of an oil of lubricating viscosity, and 'wherein the TBN of the alkylhydroxybenzoate compound is at least 600 mgKOH/gm on an actives basis.', '(b) one or more detergents comprising at least one alkylhydroxybenzoate compound derived from isomerized normal alpha olefin (NAO) having from about 10 to about 40 carbon atoms,'}2. The lubricating oil composition of wherein the TBN of the alkylhydroxybenzoate compound is 600-800 mgKOH/gm on an actives basis.3. The lubricating oil composition as in further comprising one or more detergents selected from an alkali or an alkali earth metal sulfonate claim 1 , phenate claim 1 , or a salixarate claim 1 , a saligenin claim 1 , or a complex detergent claim 1 , carboxylate or a salicylate claim 1 , that is derived from an alkyl group with 20-40 carbon atoms and different from the alkylhydroxybenzoate detergent compound in .4. The lubricating oil composition as in claim 3 , wherein the one more detergent is an alkali or alkali earth metal sulfonate with a TBN of 10-700 mgKOH/gm.5. The lubricating oil composition as in claim 3 , where the one more detergent is an alkali or alkali earth metal phenate with TBN 100-600 mgKOH/gm.6. The lubricating oil composition as in claim 3 , where one more detergent is an alkali or an alkali earth metal alkylhydroxybenzoate derived from an alkyl group with 20-28 carbon atoms and having a TBN of 10-590 mgKOH/gm.7. The lubricating oil composition of claim 1 , wherein the isomerized normal alpha olefin has an isomerization level (I) of the normal alpha olefin of from about 0.1 to about 0.4.8. The lubricating oil composition of claim 1 , further comprising an additional detergent.9. The lubricating oil composition ...

COMPOUND COMPRISING POLYAMINE, CARBOXYLATE AND BORON FUNCTIONALITIES AND ITS USE AS A LUBRICANT ADDITIVE

A product resulting from the reaction of at least: an alkali or alkaline earth metal hydroxybenzoate compound, optionally substituted by a hydrocarbyl group and optionally overbased, a boron compound, an amine component selected from a di-fatty-alkyl(ene) polyalkylamine composition including one or more polyalkylamines of formulae (I) or (II). A lubricant composition including this product. Use of this product as a lubricant for two-stroke marine engines and four-stroke marine engines, more preferably two-stroke marine engines. 114-. (canceled)16. The product according to claim 15 , wherein the alkali or alkaline earth metal hydroxybenzoate compound claim 15 , optionally substituted by a hydrocarbyl group claim 15 , is selected from the group consisting of mono-alk(en)yl substituted salicylate salts claim 15 , di-alk(en)yl substituted salicylate salts claim 15 , carboxylate functionalized calixarenes salts claim 15 , and mixtures thereof.19. The product according to claim 18 , wherein the alkali and/or alkaline earth metal hydroxybenzoate compound is chosen from alkali and/or alkaline earth metal salicylates.20. The product according to claim 15 , wherein the boron compound is selected from the group consisting of boric acid claim 15 , boric acid complexes claim 15 , boric oxide claim 15 , a trialkyl borate in which the alkyl groups comprise independently from 1 to 4 carbon atoms claim 15 , a C-Calkyl boronic acid claim 15 , a C-Cdialkyl boric acid claim 15 , a C-Caryl boric acid claim 15 , a C-Cdiaryl boric acid claim 15 , a C-Caralkyl boric acid claim 15 , a C-Cdiaralkyl boric acid claim 15 , and products deriving from these by substitution of an alkyl group by one or more alkoxy unit.21. The product according to claim 20 , wherein the boron compound is boric acid.22. The product according to claim 15 , wherein the polyalkylamine composition comprises at least 4% w/w of branched compounds of formula (I) or (II) claim 15 , with regards to the total weight of ...

Use of a Hydrocarbyl-Substituted Salicylic Acid Detergent as an Inhibitor of Lead Corrosion

This invention relates to the use of a metallic or non-metallic detergent which is a hydrocarbyl-substituted salicylic acid or a derivative thereof in a non-aqueous lubricant composition as an inhibitor of lead corrosion associated with ashless, organic ester, anti-wear additives and/or friction modifiers. 114-. (canceled)15. A method of improving anti-corrosion properties of a non-aqueous lubricant composition comprising admixing the non-aqueous lubricant composition with a metallic or non-metallic detergent which is a hydrocarbyl-substituted salicylic acid or a derivative thereof.16. The method of claim 15 , wherein the non-aqueous lubricant composition is used to lubricate an internal combustion engine.17. The method of claim 15 , wherein the non-aqueous lubricant composition comprises an ashless claim 15 , organic ester claim 15 , anti-wear additive and/or friction modifier.18. The method of claim 16 , wherein an ashless claim 16 , organic ester claim 16 , anti-wear additive and/or friction modifier is provided in a liquid fuel composition used to operate the internal combustion engine claim 16 , and a portion of said ashless claim 16 , organic ester claim 16 , anti-wear and/or friction modifier ingresses into the non-aqueous lubricant composition during operation of said engine.19. The method of claim 15 , wherein the hydrocarbyl-substituted salicylic acid or a derivative thereof is a metallic hydrocarbyl substituted salicylic acid or a derivative thereof.20. The method of claim 19 , wherein the metal salt is selected from the group consisting of calcium claim 19 , magnesium claim 19 , sodium and combinations thereof.21. The method of claim 15 , wherein the metallic or non-metallic detergent is a sulphurised derivative of a hydrocarbyl-substituted salicylic acid.22. The method of wherein the ashless claim 15 , organic ester claim 15 , anti-wear additive and/or friction modifier isi) at least one fatty acid ester of a polyol,ii) at least one oil-soluble mono, di ...

COMPOSITION CONTAINING ESTER COMPOUNDS AND A METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE

The invention provides a lubricating composition containing a β-amino compound. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the β-amino carbonyl compound as copper corrosion inhibitors, friction control agents, antiwear and/or extreme pressure agents. 2. The lubricating composition of claim 1 , wherein one of Ror Ris hydrogen and the other of Ror Ris a hydrocarbyl group or substituted hydrocarbyl group selected from the group consisting of(i) an acyl-substituted hydrocarbyl group with no primary amines,(ii) an optionally substituted alk(en)yl chain containing 1 to 30 carbon atoms; and(iii) an ether-substituted hydrocarbyl group containing 1 to 30 carbon atoms.3. The lubricating composition of claim 1 , wherein each of Rare Rare a hydrocarbyl group or substituted hydrocarbyl group selected from the group consisting of(i) an acyl-substituted hydrocarbyl group with no primary amines,(ii) an optionally substituted alk(en)yl chain containing 1 to 30 carbon atoms; and(iii) an ether-substituted hydrocarbyl group containing 1 to 30 carbon atoms.4. The lubricating composition of further comprising an amide claim 1 , ester or imide derivative of a hydroxy-carboxylic acid claim 1 , or mixtures thereof.5. The lubricating composition of claim 4 , wherein the amide claim 4 , ester or imide derivative of a hydroxy-carboxylic acid is a compound derived from tartaric acid or citric acid.6. The lubricating composition of claim 4 , wherein the amide claim 4 , ester or imide derivative of a hydroxy-carboxylic acid is a compound derived from tartaric acid.7. The lubricating composition of claim 4 , wherein the β-amino carbonyl compound is present at 0.05 to 5 wt % of the lubricating composition claim 4 , and (b) the amide claim 4 , ester or imide derivative of a hydroxy-carboxylic acid is present at 0.05 to 5 wt % of the lubricating ...

MARINE ENGINE LUBRICATION

A detergent system that includes (i) an overbased C20-28 alkyl-substituted hydroxybenzoate Ca salt of TBN less than 250 and (ii) an overbased C14-18 alkyl-substituted hydroxybenzoate Ca salt of TBN less than 250, the wt % Ca ratio of (ii) to (i) being more than one, is used in a trunk piston marine lubricant to improve its asphaltene dispersancy when lubricating a medium-speed compression-ignited marine engine fuelled by a heavy fuel oil. 1. A method for improving asphaltene dispersancy in a trunk piston marine engine , the method comprising lubricating the engine with a lubricating oil composition comprising a detergent system that includes (i) an overbased alkyl-substituted hydroxybenzoate calcium salt of TBN less than 250 , which alkyl group has 20-28 carbon atoms , and (ii) an overbased alkyl-substituted hydroxybenzoate calcium salt of TBN less than 250 , which alkyl group has 14-18 carbon atoms; the wt. % Ca ratio of (ii) to (i) being greater than one.2. The method of claim 1 , where the hydroxybenzoates claim 1 , (i) and (ii) claim 1 , are each salicylates.3. The method of claim 1 , where the alkyl group(s) of (i) has 20-24 carbon atoms.4. The method of claim 1 , where the composition has a TBN in the range of 20-60 mg KOH/g.5. The method of claim 4 , where the composition has a TBN in the range of 25-55 mg KOH/g.6. The method of claim 1 , where the wt. % Ca ratio is in the range 1 to 50.7. The method of claim 6 , where the wt. % Ca ratio is in the range 1 to 3.8. The method of claim 1 , where the composition comprises an oil of a lubricating viscosity claim 1 , in a major amount claim 1 , containing 50 mass % or more of a basestock containing less than 90% saturates and/or greater than 0.03 percent sulphur.9. The method of claim 1 , where the composition comprises an oil of a lubricating viscosity claim 1 , in a major amount claim 1 , containing 50 mass % or more of a basestock containing greater than or equal to 90% saturates and less than or equal to 0.03% ...

Lubricating composition for a marine engine

The present invention relates to a lubricant composition for a marine engine, in particular for a four-stroke or two-stroke marine engine, comprising at least one base oil, at least one alkoxylated fatty amine, at least one hydrogenated styrene-isoprene copolymer and at least one detergent.

LUBRICATING OIL COMPOSITION

A lubricating oil composition which can reduce the occurrence frequency of LSPI and which can ensure detergency. The lubricating oil composition which includes a lubricant base oil, a compound having calcium and/or magnesium, a compound having molybdenum and/or phosphorus, and an ashless dispersant having nitrogen and which satisfies X≦−0.85 and Y≧0.18 (wherein X is calculated according to formula (1): X=([Ca]+0.5[Mg])×8−[Mo]×8−[P]×30 and Y is calculated according to formula (2): Y=[Ca]+1.65[Mg]+[N]). The lubricating oil composition for use in an internal combustion engine, more particularly, a lubricating oil composition for use in a supercharged gasoline engine. 1. A lubricating oil composition , comprising: a lubricating oil base oil , a compound having at least one element selected from calcium and magnesium , a compound having at least one element selected from molybdenum and phosphorous , and an ashless dispersant having nitrogen; wherein , {'br': None, 'X=([Ca]+0.5[Mg])×8−[Mo]×8−[P]×30\u2003\u2003(1)'}, 'X as determined from following equation (1)wherein [Ca], [Mg], [Mo] and [P] in equation (1) respectively represent the concentrations (wt %) of calcium, magnesium, molybdenum and phosphorous in the lubricating oil composition,satisfies the expression X≦−0.85; and, {'br': None, 'Y=[Ca]+1.65[Mg]+[N]\u2003\u2003(2)'}, 'Y as determined from following equation (2)wherein [Ca], [Mg] and [N] in equation (2) respectively represent the concentrations (wt %) of calcium, magnesium and nitrogen derived from ashless dispersant in the lubricating oil composition,satisfies the expression Y≧0.18.2. The lubricating oil composition according to claim 1 , wherein Z as determined from following equation (3):{'br': None, 'Z=[N]/([Ca]+[Mg])\u2003\u2003(3)'}wherein [Ca], [Mg] and [N] respectively represent the concentrations (wt %) of calcium, magnesium and nitrogen derived from an ashless dispersant in the lubricating oil composition,further satisfies the expression 0.3≦Z≦1.5.3. ...

Lubricating oil composition for internal combustion engine

Provided is a lubricating oil composition for internal combustion engine, which further reduces the friction to exhibit excellent fuel efficiency performance. A lubricating oil composition for internal combustion engine, which contains (A) a lubricant base oil having a dynamic viscosity of 2.0 to mm 2 /s at 100° C., (B) a molybdenum-based friction modifier in an amount of 0.005 to 0.2% by mass, in terms of a molybdenum content, based on the mass of the composition, (C) a salicylate-based metal detergent in an amount of 0.01 to 1% by mass, in terms of a metal content, based on the mass of the composition, and (D) at least one compound selected from amino acids having an alkyl group, alkenyl group, or acyl group having 15 to 24 carbon atoms and/or derivatives thereof in an amount of 0.01 to 10% by mass.

Lubricant composition promoting sustained fuel economy

A lubricant composition includes a controlled release friction modifier (CRFM), a highly paraffinic base stock, a dispersant and a detergent. The CRFM includes an ionic tetrahedral borate compound including a cation and a tetrahedral borate anion, wherein the tetrahedral borate anion comprises a boron atom having two bidentate di-oxo ligands of C18 tartrimide. The lubricant composition can also include at least one of a Group V co-base stock, an inorganic friction modifier, a viscosity modifier, and a cleanliness booster.

Detergent for lubricant oil and production process thereof

A lubricant oil detergent and a producing process thereof are disclosed. A process for producing a lubricant oil additive having a TBN from about 100 to about 400 includes reacting, at an elevated temperature, of composition (A) an alkyl salicylic acid or an alkyl salicylate ester, composition (B) an alkaline earth metal hydroxide added by one time or plural times during the reaction; composition (C) which contains at least one compound which is (i) an alcohol, or (ii) an carboxylic acid or an carboxylic anhydride; composition (D) base oil; and composition (E) carbon dioxide introduced after the composition (B) by one time, or introduced each time when the composition (B) is added if the composition (B) is added by plural times; solvent having a low boiling point is removed from the reacted mixture after the overbasing under vacuum, and the reacted mixture is filtered to obtain a clear liquid product.

Method Of Lubricating An Internal Combustion Engine

The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonates (typically calcium sulphonate) is 0.4 to 1 wt % of the lubricating composition, and wherein the lubricating composition has a sulphated ash content of not more than 1.5 wt %.

LUBRICATING OIL COMPOSITION

A lubricating oil composition including: a lubricating base oil; (A) a dispersant poly(meth)acrylate compound having a weight average molecular weight of 30,000 to 200,000 in an amount of 1 to 10 mass % on the basis of the total mass of the composition; and (B) a non-dispersant poly(meth)acrylate compound having a weight average molecular weight of 15,000 to 100,000 in an amount of no more than 15 mass % on the basis of the total mass of the composition, wherein the ratio MA/MB of the amount MA of the component (A) to the amount MB of the component (B) is 0.05 to 1; and the ratio MwB/MwA of the weight average molecular weight MwB of the component (B) to the weight average molecular weight MwA of the component (A) is 0.05 to 2. 1. A lubricating oil composition comprising:a lubricating base oil;(A) a dispersant poly(meth)acrylate compound having a weight average molecular weight of 30,000 to 200,000 in an amount of 1 to 10 mass % on the basis of the total mass of the composition; and(B) a non-dispersant poly(meth)acrylate compound having a weight average molecular weight of 15,000 to 100,000 in an amount of no more than 15 mass % on the basis of the total mass of the composition,wherein a ratio MA/MB of the amount MA of the component (A) to the amount MB of the component (B) is 0.05 to 1; anda ratio MwB/MwA of the weight average molecular weight MwB of the component (B) to the weight average molecular weight MwA of the component (A) is 0.05 to 2.2. The lubricating oil composition according to claim 1 ,the lubricating base oil consisting of: at least one Group II mineral base oil of API base stock categories, at least one Group III mineral base oil of API base stock categories, at least one Group IV synthetic base oil of API base stock categories, or at least one Group V synthetic base oil of API base stock categories, or any combination thereof,{'sup': '2', 'wherein the lubricating base oil has a kinematic viscosity at 100° C. of 2.5 to 4.5 mm/s.'}3. The lubricating ...

Method for Reducing Piston Deposits in a Marine Diesel Engine

A method of reducing the incidence of deposits on the pistons of a 4-stroke marine diesel engine during operation of the engine when it is fuelled with a marine residual fuel meeting the ISO 8217 2017 fuel standard for marine residual fuels and having a sulphur content of more than 0.1% and less than 0.5% by mass. The method includes the step of lubricating the engine using a lubricating oil composition comprising: a) at least 50% by mass, based on the mass of the composition, of an oil of lubricating viscosity; (b) 5 to 25% by mass, based on the mass of the composition, of an oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent, or a mixture of two or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergents; (c) 0.1 to 10% by mass, based on the mass of the composition of one or more oil-soluble or oil-dispersible ashless dispersants; and optionally, (d) 0.1 to 10% by mass, based on the mass of the composition of a polyalkylene-substituted succinic anhydride.

MULTIGRADE LUBRICATING COMPOSITIONS

The invention relates to a method of lubricating a mechanical device (such as an internal combustion engine) with a lubricating composition. The invention further relates to the use of the lubricating composition for an internal combustion engine to provide improved fuel economy and providing at least one of (i) wear reduction, (ii) control of corrosion, (iii) cleanliness, and (iv) soot control. 1. A multigrade lubricant composition , comprising:(a) an oil of lubricating viscosity having a viscosity index of at least 110 or 120 to 140 or 150;(b) an ashless dispersant; and(c) an overbased metal detergent wherein the lubricating composition contains less than 0.01 weight percent of a polymeric viscosity index improver; wherein the lubricant composition has a SAE viscosity grade of XW-Y, wherein X may be 0, 5, or 10; and Y may be 16, 20, 26, 30, or 40.2. The lubricant composition of claim 1 , wherein the multigrade crank-case lubricant is a SAE 0W-16 claim 1 , 0W-20 claim 1 , 0W-26 claim 1 , 5W-16 claim 1 , 5W-20 claim 1 , 5W-26 claim 1 , 5W-30 claim 1 , 10W-16 claim 1 , 10W-30 claim 1 , or 10W-40 lubricant.3. The lubricating composition of claim 1 , wherein the ashless dispersant is derived from a polyolefin having a number average molecular weight of 500 to 000.4. The lubricating composition of claim 1 , wherein the metal-containing overbased detergent comprises one or more of a calcium sulfonate claim 1 , a calcium phenate claim 1 , a magnesium sulfonate or a magnesium phenate.5. The lubricating composition of claim 4 , where the metal-containing overbased detergent is present in amount to deliver at least 4 TBN to the composition.6. The lubricating composition of claim 1 , wherein the lubricating composition has a viscosity index of at least 130 or at least 135.7. The lubricant of claim 1 , wherein the oil of lubricating viscosity has a viscosity index of at least 124.8. The lubricant composition of claim 1 , wherein the oil of lubricating viscosity comprises from ...

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE

A lubricating oil composition for an internal combustion engine has a HTHS viscosity at 150° C. of 2.25 to <2.55 mPa·s and includes: (A) a lubricating base oil including (a) mineral base oil(s) and/or (a) synthetic base oil(s), and having a kinematic viscosity at 100° C. of 3.8-4.6 mm/s; (B) 1000-2000 mass ppm, in terms of metal content, of a metallic detergent including (a) metal salicylate detergent(s), and delivering ≥10 mmol/kg of total salicylate soap base per kilogram of the composition; (C) 1.0 to 4.0 mass % of a comb-shaped poly(meth)acrylate having a Mw of 350,000-1,000,000 and a PDI of ≤4.0; and (D) 100-1000 mass ppm, in terms of nitrogen, of a succinimide dispersant including (i) (a) non-modified succinimide dispersant(s) and/or (ii) (a) boric acid-modified succinimide dispersant(s), wherein the (i) and the (ii), in total, deliver 70 mass % of total nitrogen content of the component (D).

LUBRICANT ADDITIVE COMPOSITIONS CONTAINING THIOPHOSPHATES AND THIOPHOSPHATE DERIVATIVES

The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines. 2. The lubricant additive composition of claim 1 , wherein the sulfonate is selected from calcium sulfonate and magnesium sulfonate claim 1 , and wherein the phenate is selected from calcium phenate and magnesium phenate.4. The lubricant additive composition of claim 1 , wherein Xis R.11. The lubricant additive composition of claim 2 , wherein the detergent is selected from a magnesium sulfonate detergent and a calcium phenate detergent.12. The lubricant additive composition of claim 11 , wherein the detergent is an overbased magnesium sulfonate detergent.13. The lubricant additive composition of claim 11 , wherein the detergent is an overbased calcium phenate detergent.14. The lubricant additive composition of claim 2 , wherein the detergent is selected from an overbased calcium sulfonate detergent and a neutral calcium sulfonate detergent.15. The lubricant additive composition of claim 1 , wherein the lubricant additive composition further comprises one or more additive components selected from the group consisting of an antioxidant claim 1 , antiwear agent claim 1 , corrosion inhibitor claim 1 , extreme pressure agent claim 1 , dispersant claim 1 , viscosity index improver claim 1 , and friction modifier.16. The lubricant additive composition of claim 15 , wherein the extreme pressure agent is an organic polysulfide.17. The lubricant additive composition of claim 16 , wherein the polysulfide is an S3-enriched organic polysulfide.18. The lubricant additive composition of claim 1 , wherein the tribologically acceptable salt is not an amine salt.20. The lubricant additive composition of ...

Engine Lubricants Containing a Polyether

A sump-lubricated, spark-ignited engine is lubricated by supplying thereto a lubricant which comprises (a) an oil of lubricating viscosity; (b) a polyether; and (c) a metal-containing detergent. The lubricant has a total phosphorus content of less than 0.075 percent by weight. 2. The method of wherein the polyether comprises a reaction product of one unit derived from a hydroxy-containing hydrocarbon and two or more units derived from an alkylene oxide claim 1 , wherein the hydroxy-containing hydrocarbon contains 1 to about 50 carbon atoms and the alkylene group of the alkylene oxide contains 2 to 4 carbon atoms claim 1 , wherein the reaction product is optionally further reacted with acrylonitrile and hydrogenated to provide a terminal amino group.3. The method of wherein the polyether comprises a polyetheramine.4. The method of wherein the salicylate detergent comprises an overbased calcium hydrocarbyl-substituted salicylate detergent.5. The method of wherein the amount of the detergent is about 0.05 to about 1.5 percent by weight.6. The method of wherein the zinc dihydrocarbyldithiophosphate is present in an amount to contribute about 0.01 to about 0.06 weight percent phosphorus.7. The method of wherein the phosphorus content of the lubricant is about 0.01 to about 0.05 percent by weight.8. The method of wherein the sulfated ash level of the lubricant is less than about 0.80 percent.9. The method of wherein the lubricant further comprises an ashless antioxidant.11. The lubricant of wherein the polyether comprises a reaction product of one unit of a hydroxy-containing hydrocarbon and two or more units of an alkylene oxide claim 10 , wherein the hydroxy-containing hydrocarbon contains 1 to 50 carbon atoms and the alkylene group of the alkylene oxide contains 2 to 4 carbon atoms claim 10 , wherein the reaction product is optionally further reacted with acrylonitrile and hydrogenated to provide a terminal amino group.12. The lubricant of wherein the polyether is ...

FUEL ECONOMY ENGINE OIL COMPOSITION

The present invention is directed to a lubricating oil additive containing a vicinal diol and a particular detergent blend typically is low viscosity base oils whereby exhibiting improved fuel economy. In this respect, disclosed is a lubricating oil composition comprising: a major amount of base oil of lubricating viscosity; a friction modifier which is selected from the group consisting of C-Calkane 1,2-diols and C-Calkene 1,2-diols; an overbased alkyl alkaline earth metal hydroxybenzoate detergent having a metal ratio less than 3.0; and an overbased alkyl calcium sulfonate or an overbased alkyl calcium hydroxybenzoate having a metal ratio of 3.5 or greater. 1. An internal combustion engine lubricating oil composition comprising:a. a major amount of base oil of lubricating viscosity, wherein the base oil of lubricating viscosity has a viscosity index of greater than 110;{'sub': 10', '30', '10', '30, 'b. a friction modifier which is selected from the group consisting of C-Calkane 1,2-diols and C-Calkene 1,2-diols;'}c. an overbased alkyl alkaline earth metal hydroxybenzoate detergent having a metal ratio less than 3.0; and 'wherein the internal combustion engine lubricating oil composition has a HTHS viscosity of less than 2.6 mPa·s at 150° C. as determined by ASTM D4683.', 'd. an overbased alkyl calcium sulfonate or an overbased alkyl calcium hydroxybenzoate having a metal ratio of 3.5 or greater;'}2. The internal combustion engine lubricating oil composition according to claim 1 , wherein the friction modifier is selected from the formula R—CH(OH)CH(OH) wherein Ris alkyl containing from 8 to 28.3. The internal combustion engine lubricating oil composition according to claim 2 , wherein the friction modifier is a C-Calkane 1 claim 2 ,2-diol derived from a linear alkyl containing from 14 to 18 carbon atoms.4. The internal combustion engine lubricating oil composition according to claim 3 , wherein the friction modifier is in amount from 0.02 to 5.0 wt. % based upon ...

Lubricating oil composition for engine made of aluminum alloy and lubrication method

The invention provides a lubricating oil composition for an engine made of aluminum alloy containing a base oil, a succinimide compound, and a thioheterocyclic compound represented by the following formula (I) and has a sulfur content of 0.10 mass % to 1.00 mass % based on the total amount of the composition, and a phosphorus content and a sulfated ash content, based on the total amount of the composition, falling within specific ranges, and a lubrication method employing the composition. The composition exhibits excellent wear resistance to aluminum alloy sliding parts of engines and can considerably reduce the high-phosphorus ZnDTP content and the metallic detergent content, while excellent wear resistance to aluminum alloy is maintained. The thioheterocyclic compound is represented by the formula: (R 1 ) k —(S) m -A S -(S) n —(R 2 ) l   (I) (wherein As represents a thioheterocycle; each of R 1 and R 2 independently represents a hydrogen atom, an amino group, a C1 to C50 hydrocarbyl group selected from among an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, and an aryl group, or, in the case of a hydrocarbyl group, a C1 to C50 heteroatom-containing group having an atom selected from among an oxygen atom, a nitrogen atom, and a sulfur atom, in the hydrocarbyl group; and each of k, l, m, and n is an integer of 0 to 5).

Lubricating Oil Compositions

A crankcase lubricating oil composition for the crankcase of a spark-ignited or compression-ignited internal combustion engine, comprising a magnesium-containing detergent, in an amount sufficient to provide from 200-4000 ppm magnesium to the lubricating oil composition, in combination with an oil-soluble or oil-dispersible molybdenum compound in an amount sufficient to provide from 600-1500 ppm molybdenum atoms to the lubricating oil composition, and with an oil-soluble or oil-dispersible boron-containing compound in an amount sufficient to provide from 200-600 ppm boron atoms to the lubricating oil composition to improve the friction and fuel economy performance. 1. A crankcase lubricating oil composition comprising or made by admixing:(A) an oil of lubricating viscosity, in a major amount;(B) an oil-soluble or oil-dispersible molybdenum-containing additive, providing from 600-1500 ppm of molybdenum atoms to the lubricating oil composition;(C) a detergent composition comprising one or more magnesium sulfonate detergents in an amount providing from 200 to 4000 ppm magnesium atoms to the lubricating oil composition, measured according to ASTM D5185; and(D) an oil-soluble or oil-dispersible boron-containing compound present in the lubricating oil composition in an amount sufficient to provide from 200-600 ppm boron atoms to the lubricating oil composition, measured according to ASTM D5185.2. A lubricating oil composition according to claim 1 , wherein the detergent composition comprises one or more additional detergent additive selected from magnesium salicylate claim 1 , calcium salicylate claim 1 , calcium sulfonate claim 1 , magnesium phenate claim 1 , calcium phenate claim 1 , and hybrid detergents comprising two or more of these additional detergent additives selected from magnesium salicylate claim 1 , calcium salicylate claim 1 , calcium sulfonate claim 1 , magnesium phenate claim 1 , and calcium phenate.3. A lubricating oil composition according to claim 2 , ...

LUBRICANT COMPOSITION CONTAINING AN ANTIWEAR AGENT

The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a (thio)phosphoric acid salt of an N-hydrocarbyl-substituted gamma-(γ-) or delta-amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. A lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a (thio)phosphoric acid salt of an N-hydrocarbyl-substituted gamma- (γ-) or delta-amino(thio)ester.2. The lubricant of claim 1 , the amino(thio)ester comprises a N-hydrocarbyl-substituted gamma-amino(thio)ester.3. The lubricant of claim 1 , the amino(thio)ester comprises a N-hydrocarbyl-substituted gamma-aminoester.4. The lubricant of claim 1 , wherein the amino(thio)ester has a N-hydrocarbyl substituent that comprises a hydrocarbyl group of at least 3 carbons atoms claim 1 , with a branch at the 1 or 2 position of the hydrocarbyl group claim 1 , provided that if the ester or thioester is a methyl ester or methyl thioester then the hydrocarbyl group has a branch at the 1 position claim 1 , and further provided that the hydrocarbyl group is not a tertiary group.5. The lubricant composition of claim 4 , wherein the amino(thio)ester comprises a 2-((hydrocarbyl)aminomethyl) succinic acid dihydrocarbyl ester.6. The lubricant composition of claim 4 , wherein the ester functionality comprises an alcohol-derived group which is a hydrocarbyl group having 1 to about 30 carbon atoms.7. The lubricant composition of wherein the ester functionality comprises an alcohol-derived group which is an ether-containing group.8. The lubricant composition of claim 1 , wherein the amino(thio)ester comprises first and second ester functionalities claim 1 , and wherein the first and second ester functionalities each comprise an alcohol-derived group having an alkyl moiety which is the same or different and having 1 to about 18 carbon atoms.14. The lubricant composition of ...

LUBRICANT COMPOSITION CONTAINING AN ANTIWEAR AGENT

The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a protic acid salt of an N-hydrocarbyl-substituted gamma- (γ-) or delta- (δ-)amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. A lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a protic acid salt of an N-hydrocarbyl-substituted gamma- (γ-) or delta- (δ-)amino(thio)ester.2. The lubricant of claim 1 , the amino(thio)ester comprises a N-hydrocarbyl-substituted gamma-amino(thio)ester.3. The lubricant of claim 1 , the amino(thio)ester comprises a N-hydrocarbyl-substituted gamma-aminoester.4. The lubricant of claim 1 , wherein the amino(thio)ester has a N-hydrocarbyl substituent that comprises a hydrocarbyl group of at least 3 carbons atoms claim 1 , with a branch at the 1 or 2 position of the hydrocarbyl group claim 1 , provided that if the ester or thioester is a methyl ester or methyl thioester then the hydrocarbyl group has a branch at the 1 position claim 1 , and further provided that the hydrocarbyl group is not a tertiary group.5. The lubricant composition of claim 4 , wherein the amino(thio)ester comprises a 2-((hydrocarbyl)aminomethyl) succinic acid dihydrocarbyl ester.6. The lubricant composition of claim 4 , wherein the ester functionality comprises an alcohol-derived group which is a hydrocarbyl group having 1 to about 30 carbon atoms.7. The lubricant composition of wherein the ester functionality comprises an alcohol-derived group which is an ether-containing group.8. The lubricant composition of claim 1 , wherein the amino(thio)ester comprises first and second ester functionalities claim 1 , and wherein the first and second ester functionalities each comprise an alcohol-derived group having an alkyl moiety which is the same or different and having 1 to about 18 carbon atoms.14. The lubricant composition of claim 1 , ...

Lubricating oil composition, and sliding mechanism using lubricating oil composition

Disclosed is a lubricating oil composition for low-friction sliding materials, which is used in a sliding mechanism where a DLC film containing hydrogen in an amount of from 5 atom % to 50 atom % is formed on at least one sliding surface. The lubricating oil composition contains, in the lubricant base oil therein and based on the total amount of the composition, (A) an organic zinc dithiophosphate in an amount of from 0.005% by mass to 0.12% by mass in terms of the phosphorus concentration therein, (B) an amine-based friction-reducing agent in an amount of from 0.05% by mass to 5.0% by mass, and (C) an alkaline earth metal salicylate-based detergent and/or an alkaline earth metal sulfonate-based detergent in an amount of from 0.05% by mass to 0.5% by mass in terms of the alkaline earth metal concentration therein, wherein the component (A) contains, based on the total amount of the composition, a zinc primary dialkyldithiophosphate in an amount of from 0.005% by mass to 0.05% by mass in terms of the phosphorus concentration therein.

Low Ash Lubricant and Fuel Additive Comprising Alkoxylated Amine

A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.

Marine engine lubrication

A trunk piston lubricating oil composition of TBN 20 to 60 comprising (A) a high saturates low sulphur oil of lubricating viscosity in a major amount; (B) an overbased metal hydroxybenzoate detergent additive; (C) a polyisobutene succinic anhydride additive (1-7 mass %); and (D) a meta-linear pentadecyl phenol additive (10.1 to 10 mass %), the weight ratio of (D) to (C) being less than 1 and the combined treat rate of (B), (C) and (D) being 5 to 30%. The composition is useful to improve asphaltene dispersancy when lubricating a medium-speed compression-ignited marine engine fueled by a heavy fuel oil.

Lubricant Composition Containing an Antiwear Agent

The invention provides a lubricant composition comprising an oil of lubricating viscosity and a protic acid salt of an N-hydrocarbyl-substituted gamma-(γ-) or delta-amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

Lubricant composition

Disclosed herein is a process for lubricating an internal combustion engine with a lubricant composition that may be substantially ash free. The ashless lubricant composition described herein may comprise primary antioxidants, such as aminic diphenyl amines, alkylated phenyl-naphthyl amines, and phenolic antioxidants. The ashless lubricant composition described herein may also comprise sulfur containing products that may work as secondary antioxidants. Other components such as ashless antiwear components, dispersants, pour point depressants, friction modifiers, and metal deactivators may also be used to formulate an ashless lubricant composition according to an embodiment.

LUBRICANT COMPOSITION FOR A SPEED REDUCER, AND SPEED REDUCER

The invention provides a lubricant composition for an eccentric oscillating planetary gear type speed reducer comprising the following components (a) to (d): (a) a base oil containing a synthetic oil; (b) at least one calcium salt selected from the group consisting of calcium salts of petroleum sulfonic acids, calcium salts of alkyl aromatic sulfonic acids, calcium salts of salicylates, calcium salts of phenates, calcium salts of oxidized waxes, overbased calcium salts of petroleum sulfonic acids, overbased calcium salts of alkyl aromatic sulfonic acids, overbased calcium salts of salicylates, overbased calcium salts of phenates, and overbased calcium salts of oxidized waxes; (c) an antioxidant; and (d) a glycerin fatty acid ester. 1. A lubricant composition for an eccentric oscillating planetary gear type speed reducer , comprising the following components (a) to (d):(a) a base oil containing a synthetic oil;(b) at least one calcium salt selected from the group consisting of calcium salts of petroleum sulfonic acids, calcium salts of alkyl aromatic sulfonic acids, calcium salts of salicylates, calcium salts of phenates, calcium salts of oxidized waxes, overbased calcium salts of petroleum sulfonic acids, overbased calcium salts of alkyl aromatic sulfonic acids, overbased calcium salts of salicylates, overbased calcium salts of phenates, and overbased calcium salts of oxidized waxes;(c) an antioxidant; and(d) a glycerin fatty acid ester.2. The lubricant composition for a speed reducer according to claim 1 , wherein a content of the (b) calcium salt is 0.05 to 5% by mass claim 1 , a content of the (c) antioxidant is 0.05 to 5% by mass claim 1 , and a content of the (d) glycerin fatty acid ester is 0.05 to 5% by mass based on a total mass of the lubricant composition.3. The lubricant composition for a speed reducer according to claim 1 , wherein the (b) calcium salt is selected from the group consisting of calcium salts of alkyl aromatic sulfonic acids and overbased ...

Method Of Lubricating An Internal Combustion Engine

The disclosed technology provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulfonate detergent having a metal ratio of 10 to 40, an alkaline earth metal sulfonate detergent having a metal ratio of 3 to 9, and a TBN of 81 to 180 mg KOH/g, wherein the sulfonate detergents provide a total amount of sulfonate substrate of 1 wt % to 3 wt % of the lubricating composition, 0.1 to 1.2 wt % of antioxidant, wherein at least 20 wt % of the antioxidant is a phenolic antioxidant, a borated compound present in an amount to deliver 25 ppm to 300 ppm of boron, the lubricating composition has a sulfated ash content of 0.5 wt % to not more than 1.5 wt %, and the lubricating composition has a TBN of 6.5 to 15 mg KOH/g. 2. The method of claim 1 , wherein the lubricating composition is characterized as having (i) a sulfur content of 0.5 wt % or less claim 1 , and (ii) a phosphorus content of 0.15 wt % or less.3. The method of claim 1 , wherein the oil of lubricating viscosity comprises a base oil selected from one or more of an API Group I claim 1 , II claim 1 , III claim 1 , IV claim 1 , V claim 1 , or mixtures thereof.4. The method of claim 1 , wherein the antioxidant comprises an aminic antioxidant.5. The method of claim 4 , wherein the antioxidant comprises at most 60 wt % of the aminic antioxidant.6. The method of claim 1 , wherein the antioxidant comprises a sulfurized olefin antioxidant.7. The method of claim 6 , wherein the antioxidant comprises at most 60 wt % of the sulfurized olefin antioxidant.8. The method of claim 1 , wherein the antioxidant comprises a phenolic or an aminic antioxidant or mixtures thereof claim 1 , and wherein the antioxidant is present at 0.1 wt % to 3 wt %.9. The method of claim 1 , wherein the lubricating composition has a total base ...

Lubricant Compositions For Direct Injection Engines

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a metal overbased detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, especially sulfonate detergents with a metal ratio of at least 5.

Lubricating Composition

A method of reducing low-speed pre-ignition (LSPI) in a direct-injected spark-ignited internal combustion engine comprising lubricating the crankcase of the engine with a composition comprising a combination of a molybdenum-containing additive and a boron-containing additive. Preferably, the composition comprises a calcium detergent providing a calcium content of at least 0.08 wt. %, based on the weight of the lubricating oil composition.

MARINE DIESEL CYLINDER LUBRICANT OIL COMPOSITIONS

Disclosed herein are marine diesel cylinder lubricating oil compositions comprising (a) a major amount of one or more Group II basestocks, and (b) a detergent composition comprising (i) one or more alkaline earth metal salts of an alkyl-substituted hydroxyaromatic carboxylic acid having a total base number (TBN) greater than 250, and (ii) one or more high overbased alkyl aromatic sulfonic acids or salts thereof; wherein the aromatic moiety of the alkyl aromatic sulfonic acids or salts thereof contains no hydroxyl groups; and wherein the marine diesel cylinder lubricating oil composition has a TBN of about 5 to about 120. 1. A marine diesel cylinder lubricating oil composition comprising (a) a major amount of one or more Group II basestocks , and (b) a detergent composition comprising (i) one or more alkaline earth metal salts of an alkyl-substituted hydroxyaromatic carboxylic acid having a total base number (TBN) greater than 250 , and (ii) one or more high overbased alkyl aromatic sulfonic acids or salts thereof; wherein the aromatic moiety of the alkyl aromatic sulfonic acids or salts thereof contains no hydroxyl groups; and wherein the marine diesel cylinder lubricating oil composition has a TBN of about 5 to about 120.2. The marine diesel cylinder lubricating oil composition of claim 1 , having a TBN of from about 20 to about 100.3. The marine diesel cylinder lubricating oil composition of claim 1 , having a TBN of from about 10 to about 40.4. The marine diesel cylinder lubricating oil composition of claim 1 , which is substantially free of tetrapropenyl phenol (TPP) and its unsulfurized metal salt.5. The marine diesel cylinder lubricating oil composition of claim 1 , wherein the one or more alkaline earth metal salts of an alkyl-substituted hydroxyaromatic carboxylic acid are one or more calcium salts of an alkyl-substituted hydroxyaromatic carboxylic acid.6. The marine diesel cylinder lubricating oil composition of claim 1 , wherein the alkyl-substituted ...

SYNERGISTIC LUBRICANTS WITH REDUCED ELECTRICAL CONDUCTIVITY

A method of lubricating at least a portion of a powertrain in a vehicle with an electric motor with a functional fluid composition containing greater than 50 wt % of a base oil; and an additive composition prepared by mixing: 2. The method of claim 1 , wherein the one or more calcium-containing detergent(s) comprises a low-based calcium-containing detergent having a total base number of up to 175 mg KOH/g claim 1 , as measured by the method of ASTM D-2896 or an overbased calcium-containing detergent claim 1 , having a total base number of greater than 225 mg KOH/g claim 1 , as measured by the method od ASTM D-2896.3. (canceled)4. (canceled)5. The method of claim 2 , wherein the one or more calcium-containing detergent(s) comprises a compound selected from an overbased calcium sulfonate detergent claim 2 , an overbased calcium phenate detergent claim 2 , and an overbased calcium salicylate detergent.6. The method of claim 1 , wherein the hydrocarbyl acid phosphate is selected from the group consisting of amyl acid phosphate claim 1 , methyl acid phosphate claim 1 , propyl acid phosphate claim 1 , and diethyl acid phosphate claim 1 , butyl acid phosphate claim 1 , and mixtures thereof.7. The method of claim 1 , wherein R has from 1 to 5 carbon atoms and Rhas from 1 to 5 carbon atoms or Ris hydrogen.8. The method of claim 1 , wherein the one or more calcium-containing detergent(s) is present in an amount sufficient to provide at least 25 ppmw calcium to up to 800 ppmw calcium to the functional fluid composition claim 1 , based on the total weight of the functional fluid composition.9. The method of claim 1 , wherein the hydrocarbyl acid phosphate is present in an amount sufficient to provide at least 200 ppmw of phosphorus to the functional fluid composition claim 1 , based on the total weight of the functional fluid composition.10. The method of claim 1 , wherein a weight ratio of the ppmw of calcium provided by the one or more calcium-containing detergent(s) to the ...

LUBRICANT COMPOSITION

The present in relates to a lubricating oil composition for sliding member having a coating film, the lubricating oil composition containing a base oil; (A) a zinc dialkyldithiophosphate; and (B) a metallic detergent, wherein the content of sulfur atom (S) is 2,800 ppm by mass or less on the basis of the whole amount of the lubricating oil composition, and a mass ratio of the content of sulfur atom (S) and the content of metal atom (BM) derived from the component (B) [(S)/(BM)] in the lubricating oil composition is 0.07 or more and 2.90 or less. 1: A lubricating oil composition comprising:a base oil;(A) a zinc dialkyldithiophosphate; and(B) a metallic detergent,wherein an amount of sulfur atoms (S) is 2,800 ppm by mass or less based on a whole amount of the lubricating oil composition, and a mass ratio (S)/(BM) of (S) to the amount of metal atoms (BM) derived from (B) is 0.07 or more and 2.90 or less.2: The lubricating oil composition of claim 1 , further comprising:(C) a molybdenum-based friction modifier,wherein a mass ratio (Mo)/(BM) of an amount of molybdenum atoms (Mo) derived from (C) to (BM) is 0.05 or more and 1.00 or less.3: The lubricating oil composition of claim 1 , wherein (B) comprises at least one selected from the group consisting of calcium claim 1 , magnesium claim 1 , and sodium.4: The lubricating oil composition of claim 1 , wherein (BM) is 800 ppm by mass or more and 4 claim 1 ,500 ppm by mass or less based on the whole amount of the lubricating oil composition.5: The lubricating oil composition of claim 8 , wherein the coating film is at least one selected from the group consisting of a chromium nitride film claim 8 , a chromium carbide film claim 8 , and a vanadium carbide film.6: The lubricating oil composition of claim 8 , wherein the sliding member is an engine member.7: The lubricating oil composition of claim 6 , wherein the engine member is at least one selected from the group consisting of a piston ring claim 6 , a cylinder liner claim ...

PASSENGER CAR LUBRICATING OIL COMPOSITIONS FOR FUEL ECONOMY

The present disclosure generally relates to an internal combustion engine lubricating oil composition comprising: (a) a major amount of a base oil of lubricating viscosity; (b) a nitrogen-containing dispersant; (c) an alkaline earth metal containing detergent; (d) a compound comprising the reaction product of: (i) a nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof, (ii) a source of boron, and (iii) a hydrocarbyl polyol, having at least three hydroxyl groups. 1. A passenger car internal combustion engine lubricating oil composition comprising:(a) a major amount of a base oil of lubricating viscosity, said base oil having a kinematic viscosity (Kv) at 100° C. of about 2.0 to about 12 centistokes (cSt);(b) a nitrogen-containing dispersant;(c) an alkaline earth metal non-borated containing detergent providing from about 0.03 to about 0.7 wt. % based on the metal content to the lubricating oil composition; (i) a nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof,', '(ii) a source of boron, and', '(iii) a hydrocarbyl polyol, having at least three hydroxyl groups., '(d) about 0.01 wt. % to about 2.0 wt. % of a compound comprising the reaction product of2. The lubricating oil composition of claim 1 , wherein the nitrogen-containing reactant is an alkyl alkanolamide claim 1 , an alkyl alkoxylated alkanolamide claim 1 , an alkyl alkanolamine claim 1 , an alkyl alkoxylated alkanolamine or mixtures thereof comprises a bis-ethoxy alkylamine or a bis-ethoxy alkylamide.3. The lubricating oil composition of claim 2 , wherein the alkyl group in the bis-ethoxy alkylamine comprises oleyl claim 2 , dodecyl claim 2 , or 2-ethylhexyl.4. The lubricating oil ...

Lubricant composition for internal combustion engine oil

The present invention provides a lubricating oil composition for internal combustion engines which includes a boronated imide-based dispersant, or the boronated imide-based dispersant and a non-boronated imide-based dispersant, in which a boron content (B % by mass) derived from the boronated imide-based dispersant and a nitrogen content (N % by mass) derived from the boronated imide-based dispersant or derived from the boronated imide-based dispersant and the non-boronated imide-based dispersant satisfy the following formula (I): N≧B+0.05 (I); and a phosphorus content (P % by mass) and a content of a metal component (M % by mass) derived from a metallic detergent on the basis of a total amount of the composition satisfy any of the following requirements A to C: A: P<0.03 and M<0.05; B: P<0.03 and 0.05≦M≦0.12; and C: 0.03≦P≦0.06 and M<0.05. The lubricating oil composition for internal combustion engines can be considerably reduced in content of ZnDTP having a large phosphorus content or a metallic detergent while maintaining a good wear resistance for aluminum materials.

MARINE DIESEL LUBRICANT OIL COMPOSITIONS HAVING IMPROVED LOW TEMPERATURE PERFORMANCE

A method for improving low temperature performance of a lubricant in a compression-ignited internal combustion engine is disclosed. The method comprises operating the engine with a monograde lubricating oil composition comprising (a) a major amount of a base oil of lubricating viscosity; and (b) a minor amount of an overbased alkaline earth metal salt of an alkyl-substituted hydroxyaromatic compound, the alkyl substituent being a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms per molecule. 1. A method for improving low temperature performance of a lubricant in a compression-ignited internal combustion engine , the method comprising operating the engine with a lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal salt of an alkyl-substituted hydroxyaromatic compound , wherein the alkyl substituent is a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms per molecule; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20 , 30 , 40 , 50 , or 60 monograde engine oil , and has a TBN of 5 to 200 mg KOH/g , as determined by ASTM D2896.2. The method of claim 1 , wherein the alkyl-substituted hydroxyaromatic compound is an alkyl-substituted phenol claim 1 , an alkyl-substituted hydroxyaromatic carboxylic acid claim 1 , or a combination thereof.3. The method of claim 1 , wherein the isomerized alpha-olefin is an isomerized normal alpha-olefin.4. The method of claim 1 , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic compound is a residue derived from an alpha-olefin having from 14 to 28 carbon atoms per molecule.5. The method of claim 1 , wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic compound is a residue derived from an alpha-olefin having from ...

MARINE DIESEL LUBRICANT OIL COMPOSITIONS

A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate, wherein the alkyl substituent is a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms, and having a TBN, on an actives basis, of less than 600 mg KOH/g, as determined by ASTM D 2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896. 1. A lubricating oil composition comprising (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate , wherein the alkyl substituent is a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms , and having from a TBN , on an actives basis , of less than 600 mg KOH/g , as determined by ASTM D2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20 , 30 , 40 , 50 , or 60 monograde engine oil , and has a TBN of 5 to 200 mg KOH/g , as determined by ASTM D2896.2. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an isomerized alpha-olefin having from 14 to 28 carbon atoms per molecule.3. The lubricating oil composition of claim 1 , wherein the alkyl substituent of the overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate is a residue derived from an isomerized alpha-olefin having from 20 to 28 carbon atoms per molecule.4. The lubricating oil composition of ...

METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY

A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil. The lubricating engine oil has a composition including from 75 to 95 wt % of lubricating oil base stock selected from the group consisting of a Group I base stock, a Group II base stock, a Group III base stock, a Group IV base stock, a Group V base stock and combinations thereof; a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester having a molecular weight of greater than or equal to 2000 at from 0.1 to 1.0 wt. % and an organic molybdenum containing friction modifier contributing from 80 to 500 ppm of elemental molybdenum, and an overbased calcium salicylate detergent contributing from 200 to 2000 ppm of elemental calcium; and one or more other lubricating oil additives. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines. 1. A method for improving fuel efficiency and reducing frictional properties , while maintaining or improving deposit control , in an engine lubricated with a lubricating oil by using as the lubricating engine oil a formulated oil , said formulated oil having a composition comprising:from 75 to 95 wt % of lubricating oil base stock selected from the group consisting of a Group I base stock, a Group II base stock, a Group III base stock, a Group IV base stock, a Group V base stock and combinations thereof;a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester having a molecular weight of greater than or equal to 2000 at from 0.1 to 1.0 wt. % of the weight of the lubricating engine oil and an organic molybdenum containing friction modifier contributing from 80 ppm to 500 ppm of elemental molybdenum based on the weight of the lubricating engine oil, andan overbased calcium salicylate detergent contributing from 200 ppm to 2000 ppm of elemental calcium based ...

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE

Provided are a lubricating oil composition for internal combustion engine, containing a lubricating base oil containing a mineral oil and/or a synthetic oil, (A) an overbased calcium salicylate, (B) an overbased magnesium detergent, (C) a binuclear and/or trinuclear organic molybdenum compound, (D) a phenol-based antioxidant, and (E) an amine-based antioxidant, wherein the component (C), the component (D), and the component (E) are contained in specified contents on the basis of the whole amount of the lubricating oil composition; a method for producing the lubricating oil composition for internal combustion engine; and a lubrication method including using the lubricating oil composition for internal combustion engine. 1. A lubricating oil composition for internal combustion engine , comprising a lubricating base oil comprising a mineral oil , a synthetic oil , or both , and:(A) an overbased calcium salicylates;(B) an overbased magnesium detergent;(C) a binuclear organic molybdenum compound, a trinuclear organic molybdenum compound, or both;(D) a phenol-based antioxidant; and(E) an amine-based antioxidant,wherein:the component (B) has a median diameter of 100 nm or more as measured by photon correlation spectroscopy;a molybdenum content derived from the component (C) is 200 to 1,000 ppm by mass on the basis of a total amount of the lubricating oil composition;a content of the component (D) is 0.40 mass % or more on the basis of the total amount of the lubricating oil composition; anda content of the component (E) is 0.60 mass % or more on the basis of the total amount of the lubricating oil composition.2. The lubricating oil composition for internal combustion engine according to claim 1 , having a sulfuric acid ash content of 1.00 mass % or less on the basis of the total amount of the lubricating oil composition.3. The lubricating oil composition for internal combustion engine according to claim 1 , wherein the overbased magnesium detergent (B) has an alkyl group ...

LUBRICATING OIL COMPOSITION

A composition whereby a hydrocarbon-based base oil is used and in this base oil are incorporated, in terms of the total amount of the composition, 30 to 300 ppm of overbased calcium salicylate and, in net weight in terms of the total amount of the composition, 0.07 to 2.0 mass % of a non-dispersant polymethacrylate having a weight average molecular weight of 5000 to 200,000. The electrical conductivity at 25° C. of this composition is not less than 200 pS/m, the flash point is not less than 240° C., the pour point is −40° C. or lower and the micro clutch friction coefficient at 140° C. is not less than 0.08. This lubricating oil composition may be used in machines fitted with electronic control apparatus and can impart conductivity so as to inhibit the occurrence of “noise” which is detrimental to electronic control. 1. A lubricating oil composition comprising a hydrocarbon-based base oil and , in terms of the total amount of the composition , 30 to 300 ppm of overbased calcium salicylate as well as , in net weight in terms of the total amount of the composition , 0.07 to 2.0 mass % of a non-dispersant polymethacrylate the weight average molecular weight whereof is 5000 to 200 ,000 , the electrical conductivity at 25° C. of said composition is not less than 200 pS/m , the flash point is not less than 240° C. , the pour point is −40° C. or lower and the friction coefficient at 140° C. (in a micro clutch test) is not less than 0.08.2. The lubricating oil composition according to claim 1 , wherein the hydrocarbon-based base oil contains a gas-to-liquid (GTL) base oil.3. The lubricating oil composition according to claim 2 , wherein the hydrocarbon-based base oil contains not less than 40 mass % of a gas-to-liquid (GTL) base oil.4. The lubricating oil composition according to claim 1 , wherein the viscosity grade of the composition is VG 46 to 68.5. The lubricating oil composition according to claim 1 , wherein the composition contains 100 to 1000 ppm of phosphorus of a ...

LUBRICATING OIL COMPOSITION AND METHOD FOR REDUCING FRICTION IN INTERNAL COMBUSTION ENGINES

A lubricating oil composition that hardly generates precipitation attributable to a molybdenum compound under the low temperature environment and is excellent in a friction-reducing effect under the low temperature environment is provided. 1. A lubricating oil composition comprising:(A) a lubricating base oil,(B) a molybdenum-based compound,(C) a metal-based detergent, and(D) an ester compound having one or more hydroxyl groups in a molecule thereof,wherein the metal-based detergent (C) includes (C1) a calcium detergent and (C2) a magnesium detergent, andwherein a content of the ester compound (D) having one or more hydroxyl groups in a molecule thereof is 0.03 to 1.20 mass % on a basis of the total amount of the lubricating oil composition.2. The lubricating oil composition according to claim 1 , wherein a content of the molybdenum compound (B) as converted into a molybdenum atom is 0.12 mass % or less on a basis of the total amount of the lubricating oil composition.3. The lubricating oil composition according to claim 1 , wherein a content of the molybdenum compound (B) as converted into a molybdenum atom is 0.03 mass % or more and 0.12 mass % or less on a basis of the total amount of the lubricating oil composition.4. The lubricating oil composition according to claim 1 , wherein the calcium detergent (C1) includes calcium salicylate.5. The lubricating oil composition according to claim 1 , wherein a content of the calcium detergent (C1) as converted into a calcium atom is 0.20 mass % or less on a basis of the total amount of the lubricating oil composition.6. The lubricating oil composition according to claim 1 , wherein a content of the calcium detergent (C1) as converted into a calcium atom is 0.06 mass % or more and 0.20 mass % or less on a basis of the total amount of the lubricating oil composition.7. The lubricating oil composition according to claim 1 , wherein the magnesium detergent (C2) is one or more selected from magnesium sulfonate and magnesium ...

Lubricating oil compositions having improved cleanliness and wear performance

A method for improving wear control, while maintaining or improving deposit control and cleanliness, in an engine or other mechanical component lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and specific combinations of low soap detergents, dispersants, and/or mixtures thereof, as a minor component. The low soap detergents include alkaline earth metal salicylates, alkaline earth metal sulfonates, or mixtures thereof, all having the same or different total base number (TBN). The total amount of soap delivered by the low soap detergent is less than 0.60 weight percent of the lubricating oil. The dispersants include borated and/or non-borated polyisobutylene succinimide (PIMA) having a basic nitrogen content of 1% or greater. The lubricating oils are useful in internal combustion engines.

Composition Containing Heterocyclic Compounds And A Method Of Lubricating An Internal Combustion Engine

The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.

ASHLESS OR REDUCED ASH QUATERNARY DETERGENTS

A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1 imparts ash-free basicity to a lubricant composition. 1. A composition comprising an oil-soluble ionic detergent , which detergent comprises(a) a quaternary non-metallic pnictogen cation and(b) an organic anion having at least one aliphatic hydrocarbyl group of sufficient length to impart oil solubility to the detergent;said oil-soluble ionic detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1;wherein said oil-soluble ionic detergent exhibits a TBN of at least about 10 arising from a non-metallic base.2. The composition of wherein the oil-soluble ionic detergent comprises a quaternary ammonium cation or a quaternary phosphonium cation.3. The composition of wherein the cation comprises a tetrahydrocarbyl ammonium ion.4. The composition of wherein the cation comprises four groups selected from the group consisting of methyl groups claim 3 , ethyl groups claim 3 , propyl groups claim 3 , butyl groups claim 3 , benzyl groups claim 3 , phenyl groups claim 3 , hydroxyalkyl groups claim 3 , aminoalkyl groups claim 3 , and mixtures thereof.5. The composition of wherein the cation comprises a pyridinium ion or an imidazolium ion.6. The composition of wherein the oil-soluble ionic detergent comprises a sulfonate claim 5 , carboxylate claim 5 , or phenate anion.7. The composition of wherein the oil-soluble ionic detergent comprises a sulfonate anion or a salicylate anion.8. The composition of wherein the oil-soluble ionic detergent comprises a stoichiometric excess of quaternary non-metallic pnictogen cations of (a) over organic anions of (b) such that said ...

LUBRICATING OIL COMPOSITION

The present invention provides a lubricating oil composition including a viscosity index improver (A) containing a comb-shaped polymer and having an SSI (shear stability index) of 30 or less together with a base oil, wherein an HTHS viscosity (high temperature high shear viscosity) at 150° C. (T) is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. (V) [mm/s] to the HTHS viscosity at 150° C. (T) [mPa·s] (V/T) is 12.4 or less. The lubricating oil composition of the present invention is excellent in fuel consumption reducing properties in a low-temperature region assuming the time of starting an engine while making various properties, such as a viscosity, etc., in a high-temperature region assuming the time of high-speed operation of an engine favorable. 1. A lubricating oil composition , comprisinga viscosity index improver (A) containing a comb-shaped polymer and having a shear stability index of 30 or less, anda base oil,wherein{'sup': '2', 'a high temperature high shear viscosity at 150° C. is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. in mm/s to the high temperature high sheer viscosity at 150° C. is 12.4 or less.'}2. The lubricating oil composition according to claim 1 , wherein a content of the comb-shaped polymer is 0.01 to 10.00 mass % based on a total amount of the lubricating oil composition.3. The lubricating oil composition according to claim 1 , wherein a weight average molecular weight of the comb-shaped polymer is 10 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.4. The lubricating oil composition according to claim 1 , wherein a molecular weight distribution Mw/Mn of the comb-shaped polymer claim 1 , where Mw represents a weight average molecular weight of the comb-shaped polymer claim 1 , and Mn represents a number average molecular weight of the comb-shaped polymer claim 1 , is 6.00 or less.5. The lubricating oil composition according to claim 1 , wherein the comb-shaped polymer is a polymer comprising at least a ...

Lubricant oil composition for internal combustion engine

A lubricant oil composition for internal combustion engines with which further reduction of friction can be achieved to provide excellent fuel efficiency is provided. (A) A lubricant oil base oil having a kinematic viscosity at 100° C. of 2.0 to 5.0 mm 2 /s; (B) a molybdenum-based friction modifier in an amount of 0.005 to 0.2 mass % in terms of the mass of the molybdenum relative to the total mass of the composition; (C) a metal-based detergent in an amount of 0.01 to 1 mass % in terms of the mass of the metal relative to the total mass of the composition; and (D) 0.01 to 10 mass % of at least one compound selected from amino acids having a C 6-24 alkyl, alkenyl, or acyl group, and/or derivatives of the amino acids.

LUBRICANT COMPOSITIONS FOR DIRECT INJECTITON ENGINES

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an overbased sodium detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, including sulfonate detergents with a metal ratio of at least 5. 1. A method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine wherein the engine is equipped with a turbocharger and is operated under a load with a brake mean effective pressure (BMEP) of greater than or equal to 10 bars at speeds less than or equal to 3 ,000 rpm , comprising supplying to the engine a lubricant composition comprising:(a) a base oil of lubricating viscosity, (i) an overbased sodium detergent in an amount to provide at least 215 parts per million (ppm) sodium to the lubricant composition,', '(ii) an overbased calcium detergent; and, '(b) an overbased metal detergent, wherein the overbased metal detergent comprises'}(c) less than 10 ppm of magnesium from an overbased detergent,wherein the weight ratio of sodium to calcium in the overbased metal detergent is 1:9 to 4:6.2. The method of claim 1 , wherein the engine is fueled with a liquid hydrocarbon fuel claim 1 , a liquid nonhydrocarbon fuel claim 1 , or mixtures thereof.3. The method of claim 2 , wherein the engine is fueled by natural gas claim 2 , liquefied petroleum gas (LPG) claim 2 , compressed natural gas (CNG) claim 2 , or mixtures thereof.4. The method of claim 1 , wherein the overbased sodium detergent comprises one or more of a sulfonate detergent claim 1 , a phenate detergent claim 1 , a salicylate detergent claim 1 , and combinations thereof.5. The method of claim 1 , wherein the lubricant composition further comprises at least one other additive selected from an ashless dispersant ...

Method Of Lubricating An Internal Combustion Engine

The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonates (typically calcium sulphonate) is 0.4 to 1 wt % of the lubricating composition, and wherein the lubricating composition has a sulphated ash content of not more than 1.5 wt %. 2. The method of claim 1 , wherein the lubricating composition has (i) a sulphur content of 0.5 wt % or less claim 1 , and (ii) a phosphorus content of 0.1 wt % or less.3. The method of claim 1 , wherein the lubricating composition has at least one of (i) a sulphur content of 0.2 wt % to 0.4 wt % claim 1 , and (ii) a phosphorus content of 0.08 wt % to 0.15 wt %.4. The method of claim 1 , wherein the lubricating composition has a total base number (TBN) content of at least 5 mg KOH/g.5. The method of claim 1 , wherein the lubricating composition has a total base number (TBN) content of 7 to 10 mg KOH/g.6. The method of claim 1 , wherein the 300 TBN or higher calcium sulphonate detergent has a TBN of 350 to 500.7. The method of claim 1 , wherein the 80 TBN or lower calcium sulphonate has a TBN of 1 to 80.8. The method of claim 1 , wherein the dispersant viscosity modifier is an olefin copolymer further functionalised with a dispersant ...

LUBRICATING OIL COMPOSITION AND METHOD FOR PRODUCING SAME

The lubricating oil composition of the present invention is a lubricating oil composition containing a lubricating base oil, a metal-based detergent, a molybdenum dialkyldithiocarbamate compound, and a boron-containing compound, wherein the metal-based detergent contains a calcium salicylate and at least one selected from the group consisting of a calcium sulfonate and a magnesium-based detergent; the lubricating oil composition arbitrarily contains an ashless friction modifier; the content of a calcium atom is 0.12 to 0.16 mass % on the basis of the whole amount of the lubricating oil composition; the content of a molybdenum atom is 0.05 to 0.10 mass % on the basis of the whole amount of the lubricating oil composition; and a predetermined coefficient X is less than 0.050. 2. The lubricating oil composition according to claim 1 , wherein a total content of the calcium atom and the magnesium atom in the lubricating oil composition is 0.3 mass % or less on the basis of the whole amount of the lubricating oil composition.3. The lubricating oil composition according to claim 1 , wherein the lubricating base oil has a kinematic viscosity at 100° C. of 3 to 5 mm/s and a % Cp by n-d-M ring analysis of 80% or more.4. The lubricating oil composition according to claim 1 , wherein the boron-containing compound is at least one selected from the group consisting of a borated dispersant claim 1 , an alkali metal boric acid salt claim 1 , a borated epoxide claim 1 , a boric acid ester claim 1 , a borated aliphatic amine claim 1 , and a borated amide.5. The lubricating oil composition according to claim 1 , further comprising a non-boron-containing succinimide.6. The lubricating oil composition according to claim 1 , wherein the ashless friction modifier is at least one selected from the group consisting of an ester-based ashless friction modifier and an amine-type ashless friction modifier.7. The lubricating oil composition according to claim 1 , further comprising one or more ...

LUBRICATING COMPOSITION CONTAINING AN OXYALKYLATED HYDROCARBYL PHENOL

The invention provides lubricating composition comprising: an oil of lubricating viscosity, and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 40 to 96 carbon atoms, and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the oxyalkylated hydrocarbyl phenol in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear. 1. A lubricating composition comprising:a) an oil of lubricating viscosity;b) an overbased alkaline earth metal sulfonate detergent having a metal ratio of at least 8, in an amount to contribute at least 3 KOH/kg of TBN to the lubricating composition;c) an ashless, sulfur free, oxyalkylated hydrocarbyl phenolic compound in an amount of 0.1 wt % to about 5 wt % of the composition;d) an ashless dispersant; ande) a salicylate detergent;wherein the lubricating composition has total sulfated ash of 0.3 to 1.5 wt %.2. The lubricating composition of claim 1 , wherein the ashless claim 1 , sulfur-free claim 1 , oxyalkylated hydrocarbyl phenolic compound comprises a hydrocarbyl group containing 1 to 220 carbon atoms.3. The lubricating composition of claim 1 , wherein the ashless claim 1 , sulfur-free claim 1 , oxyalkylated hydrocarbyl phenolic is an oxyalkylated polyisobutylene phenolic compound.4. The lubricating composition of claim 1 , wherein the ashless claim 1 , sulfur-free claim 1 , oxyalkylated group of the oxyalkylated hydrocarbyl phenolic compound has formula —(RO)— claim 1 , wherein each Ris independently selected from the group consisting of an ethylene group claim 1 , a propylene ...

LUBRICATING OIL COMPOSITION FOR GAS ENGINES

The lubricating oil composition for gas engine of the present invention contains (A) a base oil, (B1) an overbased calcium salicylate, (B2) an overbased sodium sulfonate, (C1) an amine-based antioxidant, and (C2) a phenol-based antioxidant, a total content of the amine-based antioxidant (C1) and the phenol-based antioxidant (C2) being 4 mass % or more on a basis of the whole amount of the composition. 1: A lubricating oil composition for gas engine , comprising (A) a base oil , (B1) an overbased calcium salicylate , (B2) an overbased sodium sulfonate , (C1) an amine-based antioxidant , and (C2) a phenol-based antioxidant , a total content of the amine-based antioxidant (C1) and the phenol-based antioxidant (C2) being 4 mass % or more on a basis of the whole amount of the composition.3: The lubricating oil composition for gas engine according to claim 1 , further comprising (C3) a molybdenum-based antioxidant.4: The lubricating oil composition for gas engine according to claim 1 , wherein the total content of the amine-based antioxidant (C1) and the phenol-based antioxidant (C2) is 5 mass % or more on a basis of the whole amount of the composition.5: The lubricating oil composition for gas engine according to claim 1 , further comprising (B3) a basic calcium sulfonate.6: The lubricating oil composition for gas engine according to claim 1 , further comprising (E1) a polymethacrylate as (E) a viscosity index improver.7: The lubricating oil composition for gas engine according to claim 1 , wherein a calcium content is 0.05 to 0.4 mass % claim 1 , and a sodium content is 0.005 to 0.1 mass % on a basis of the whole amount of the composition.8: The lubricating oil composition for gas engine according to that is suitable for use in a gas heat pump.9: A method for producing a lubricating oil composition for gas engine claim 1 , comprising blending (B1) an overbased calcium salicylate claim 1 , (B2) an overbased sodium sulfonate claim 1 , (C1) an amine-based antioxidant claim ...

GASOLINE ENGINE LUBRICANT OIL COMPOSITION AND MANUFACTURING METHOD THEREFOR

Provided is a lubricating oil composition capable of revealing fuel consumption reducing properties due to a friction reducing effect within a short period of time while having excellent fuel consumption reducing properties, specifically a lubricating oil composition of the present invention includes a base oil, a molybdenum dithiocarbamate, a calcium detergent, a magnesium detergent, and a boron-free succinimide, wherein the content of the molybdenum dithiocarbamate as converted into a molybdenum atom is 1,200 ppm by mass or less on a basis of the whole amount of the composition; the content of the boron-free succinimide as converted into a nitrogen atom is less than 1,200 ppm by mass on a basis of the whole amount of the composition; and a mass ratio of the molybdenum atom (Mo) to a magnesium atom (Mg) of the magnesium detergent [Mo/Mg] is 0.1 or more. 1: A lubricating oil composition , comprising:a base oil;a molybdenum dithiocarbamate;a calcium detergent;a magnesium detergent; anda boron-free succinimide,wherein:a content of the molybdenum dithiocarbamate as converted into a molybdenum atom is 1,200 ppm by mass or less on a basis of a whole amount of the lubricating oil composition;a content of the boron-free succinimide as converted into a nitrogen atom is less than 1,200 ppm by mass on a basis of the whole amount of the lubricating oil composition; anda mass ratio of the molybdenum atom (Mo) to a magnesium atom (Mg) of the magnesium detergent [Mo/Mg] is 0.1 or more.2: The lubricating oil composition according to claim 1 , wherein a content of the calcium detergent as converted into a calcium atom is 2 claim 1 ,000 ppm by mass or less on a basis of the whole amount of the composition.3: The lubricating oil composition according to claim 1 , further comprising:a boron-containing succinimide,wherein a content of the boron-containing succinimide as converted into a boron atom being 50 ppm by mass or more on a basis of the whole amount of the lubricating oil ...

LUBRICANT COMPOSITION FOR GASOLINE ENGINE AND METHOD FOR PRODUCING SAME

Provided is a lubricating oil composition having excellent detergency and LSPI preventing performance, and specifically a lubricating oil composition including a base oil, a calcium detergent, and a magnesium detergent and/or a sodium detergent, wherein the content of the calcium detergent as converted into a calcium atom and a mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] fall within the specific ranges. 1: A lubricating oil composition , comprising a base oil , a calcium detergent , and a magnesium detergent and/or a sodium detergent , whereina content of the calcium detergent as converted into a calcium atom is less than 2,000 ppm by mass on a basis of the whole amount of the composition, anda mass ratio of a magnesium atom (Mg) contained in the magnesium detergent and/or a sodium atom (Na) contained in the sodium detergent to a calcium atom (Ca) [(Mg and/or Na)/Ca] is 0.05 to 1.50.2: The lubricating oil composition according to claim 1 , further comprising a poly(meth)acrylate.3: The lubricating oil composition according to claim 1 , wherein the content of the calcium detergent as converted into a calcium atom is 800 to 1 claim 1 ,800 ppm by mass on a basis of the whole amount of the composition.4: The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 ppm by mass or more on a basis of the whole amount of the composition.5: The lubricating oil composition according to claim 1 , wherein a content of the magnesium detergent and/or the sodium detergent as converted to a magnesium atom and/or a sodium atom is 100 to 1 claim 1 ,500 ppm by mass on a basis of the whole amount of the composition.6: The lubricating oil composition according to claim 1 , further comprising a succinimide and/or a boron-containing ...

MARINE ENGINE LUBRICATION

An additive concentrate package for a marine engine cylinder lubricant is made by mixing an oil of lubricating viscosity, a metal detergent and an oil-soluble alkoxylated alcohol. 1. A method of preparing an additive concentrate for a marine engine lubricating oil composition: (A) at least one overbased metal detergent; and', [{'br': None, 'sub': 2', 'x', 'y, 'R—[O—(CH)]—OH'}, 'where R is a linear alkyl group having from 12 to 20 carbon atoms, x is an integer from 1 to 10, and y is an integer from 2 to 10; the ratio of x to y being such as to provide an HLB in the above range; and, '(B) an oil-soluble alkoxylated alcohol, having an HLB, in the range 7-9.5, represented by the formula'}], '(i) comprising the steps of providing as separate additive components(ii) admixing an oil of lubricating viscosity in a concentrate-forming amount with additive comprising additive components (A) and (B).2. The method of wherein the additive concentrate contains from 2.5 to 90 mass % of additive.3. The method of wherein the additive concentrate contains from 0.25 to 5 mass % of additive (B).4. The method of wherein the HLB of component (B) is determined by the method of William C. Griffin.5. An additive concentrate obtained by the method of .6. A two-stroke engine marine cylinder lubricating oil composition comprising an oil of lubricating viscosity in a major amount blended with a minor amount of the additive concentrate claimed in claim 5 , where the composition has a TBN of 10-200 mg KOH/g.7. The composition of comprising 10 to 65 mass % of the additive concentrate.8. The composition of comprising 12 to 50 mass % of the additive concentrate.9. The composition of comprising 13 to 25 claim 8 , mass % of the additive concentrate.10. The composition of containing 0.1 to 3 mass % of additive (B).11. The composition of including at least 60 mass % of the oil of lubricating viscosity.12. The additive concentrate of wherein (A) is an overbased calcium salicylate detergent and/or an ...

ALKYLPHENOL DETERGENTS

The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. An alkylphenol-containing detergent comprising at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms , wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms.2. An alkylphenol-containing detergent of claim 1 , where the phenol-containing detergent is a sulfur-bridged phenate detergent claim 1 , a sulfur-free alkylene-bridged phenate detergent claim 1 , a salicylate detergent claim 1 , or mixtures thereof.3. An alkylphenol-containing detergent of claim 2 , where the detergent comprises one or more alkali metals claim 2 , one or more alkaline earth metals claim 2 , or mixtures thereof.4. An alkylphenol-containing detergent of claim 3 , where the detergent is overbased.5. An alkylphenol-containing detergent of claim 4 , where the overbased detergent has a metal ratio of at least 1.5 claim 4 , at least 5 claim 4 , or at least 7.6. An alkylphenol-containing detergent of claim 1 , where the alkyl group comprises oligomers of n-butene claim 1 , where the alkyl group is a hydrocarbyl group of 12 to 48 carbon atoms.7. An alkylphenol-containing detergent of claim 1 , wherein the detergent is an overbased sulfur-coupled phenate detergent with a metal ratio of at least 1.5.9. An alkylphenol-containing detergent of claim 1 , wherein the detergent is a neutral or overbased salt of alkylsalicylic acid.11. A lubricating composition comprising (a) an oil of ...

LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES

The disclosed technology provides a lubricating composition and a method of lubricating an internal combustion engine where the lubricating composition contains an oil of lubricating viscosity, one or more metal-containing, sulfur-free, alkyl-phenol based detergents, an alkaline earth metal sulfonate detergent, a polyisobutenyl succinimide dispersant, and a dispersant viscosity modifier having a number average molecular weight of at least 20,000. The lubricating composition of the present invention can be formulated to have lower HTHS viscosity, and reduced phosphorous content, while providing protection against adhesive wear. 2. The composition of wherein the lubricating composition contains less than 0.15 wt % of a sulfur-coupled phenate detergent.3. The composition of wherein the composition is substantially free of sulfur-coupled phenate detergents.5. The composition of wherein the dispersant viscosity modifier comprises a mixture of at least one low molecular weight dispersant viscosity modifier claim 1 , derived from a polyolefin having a number average molecular weight of less than 20 claim 1 ,000 claim 1 , and at least one high molecular weight dispersant viscosity modifier claim 1 , derived from a polyolefin having a number average molecular weight of at least 40 claim 1 ,000.6. The composition of wherein the at least one low molecular weight dispersant viscosity modifier is derived from a polyolefin having a number average molecular weight of 10 claim 5 ,000 or lower.7. The composition of wherein the at least one high molecular weight dispersant viscosity modifier is derived from a polyolefin having a number average molecular weight of at least 45 claim 5 ,000.8. The composition of wherein the sulfur-free alkylphenol-based detergent is selected from alkylene coupled alkylphenol detergents claim 1 , alkyl salicylate detergents claim 1 , and combinations thereof.9. The composition of wherein the sulfur-free alkylphenol-based detergent comprises Mg saligenin. ...

Lubricating oil composition for internal combustion engine

A lubricating oil composition for an internal combustion engine, the composition including: a lubricating base oil comprising at least one mineral base oil or at least one synthetic base oil or any combination thereof, the lubricating base oil having a kinematic viscosity at 100° C. of 4.0 to 4.5 mm2/s and a NOACK evaporation loss at 250° C. of no more than 15 mass %; (A) a calcium-containing metallic detergent in an amount of no less than 1000 mass ppm and less than 2000 mass ppm in terms of calcium on the basis of the total mass of the composition; and optionally (C) a viscosity index improver in an amount of less than 1 mass % on the basis of the total mass of the composition.

LUBRICATING COMPOSITION CONTAINING AN OXYALKYLATED HYDROCARBYL PHENOL

The invention provides lubricating composition comprising: an oil of lubricating viscosity, and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 40 to 96 carbon atoms, and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the oxyalkylated hydrocarbyl phenol in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear. 129-. (canceled)31. The composition according to claim 30 , wherein m=1; and{'sup': '4', 'Ris a hydrocarbyl group of 35 to 140 carbon atoms.'}32. The composition according to claim 31 , wherein n=2 to 8;{'sup': 2', '2, 'one Ris methyl, and the second Ris hydrogen; and'}{'sup': '4', 'Ris a polyalk(en)yl group.'}33. The composition of claim 31 , wherein the Rgroup is located on the phenol in the para-position relative to the oxyalkylated group.34. The composition of claim 31 , wherein Ris a polyisobutenyl group.35. The composition of claim 30 , wherein the oxyalkylated hydrocarbyl phenol is present in an amount ranging from 0.1 wt % to 5 wt % of the lubricating composition.36. The composition of further comprising an overbased detergent claim 30 , wherein the overbased detergent is selected from the group consisting of non-sulphur containing phenates claim 30 , sulphur containing phenates claim 30 , sulphonates claim 30 , salixarates claim 30 , salicylates claim 30 , and mixtures thereof.37. The composition of claim 36 , wherein the overbased detergent is selected from the group consisting of non-sulphur containing phenates claim 36 , sulphur containing phenates claim 36 , sulphonates and ...

GASOLINE ENGINE LUBRICANT OIL COMPOSITION AND MANUFACTURING METHOD THEREFOR

Provided is a lubricating oil composition capable of revealing fuel consumption reducing properties due to a friction reducing effect within a short period of time while having excellent fuel consumption reducing properties, specifically a lubricating oil composition of the present invention includes a base oil, a molybdenum dithiocarbamate, a calcium detergent, a magnesium detergent, and a boron-free succinimide, wherein the content of the molybdenum dithiocarbamate as converted into a molybdenum atom is 1,200 ppm by mass or less on a basis of the whole amount of the composition; the content of the boron-free succinimide as converted into a nitrogen atom is less than 1,200 ppm by mass on a basis of the whole amount of the composition; and a mass ratio of the molybdenum atom (Mo) to a magnesium atom (Mg) of the magnesium detergent [Mo/Mg] is 0.1 or more. 1. A lubricating oil composition , comprising:a base oil;a molybdenum dithiocarbamate;a calcium detergent;a magnesium detergent; anda boron-free succinimide,wherein:a content of the molybdenum dithiocarbamate as converted into a molybdenum atom is 1,200 ppm by mass or less on a basis of a whole amount of the composition;a content of the boron-free succinimide as converted into a nitrogen atom is less than 1,200 ppm by mass on a basis of the whole amount of the composition; anda mass ratio of the molybdenum atom (Mo) to a magnesium atom (Mg) of the magnesium detergent [Mo/Mg] is 0.1 or more.2. The lubricating oil composition according to claim 1 , wherein a content of the calcium detergent as converted into a calcium atom is 2 claim 1 ,000 ppm by mass or less on a basis of the whole amount of the composition.3. The lubricating oil composition according to claim 1 , further comprising:a boron-containing succinimide,wherein a content of the boron-containing succinimide as converted into a boron atom being 50 ppm by mass or more on a basis of the whole amount of the composition.4. The lubricating oil composition ...

Lubricants With Calcium-Containing Detergents and Their Use for Improving Low-Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil, one or more overbased calcium sulfonate detergent(s) and one or more overbased calcium phenate detergent(s). The calcium, boron, nitrogen, and amount of soap are maintained within certain ratios, and the total base number contribution from all detergents to the lubricating oil composition is less than 4.2 mg KOH/g of the lubricating oil composition, as measured by the method of ASTM D-2896. The lubricating oil composition and method may be effective to reduce low-speed pre-ignition events in a boosted internal combustion engine lubricated with the lubricating oil composition relative to capable lubricating oil compositions. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, based on a total weight of the lubricating oil composition;one or more overbased calcium sulfonate detergent(s) having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, andone or more overbased calcium phenate detergent(s) having a total base number of greater than 170 mg KOH/g, measured by the method of ASTM D-2896,wherein a ratio of the ppm of calcium in the lubricating oil composition from the one or more overbased calcium sulfonate detergent(s) to the ppm of calcium in the lubricating oil composition from the one or more overbased calcium phenate detergent(s) is greater than 1.20 to less than about 1.51,a ratio of total ppm of nitrogen in the lubricating oil composition to total wt. % of soap from the detergents in the lubricating oil composition is greater than about 2080, anda total base number contribution from all detergents is less than 4.2 mg KOH/g of the lubricating oil composition, as measured by the method of ASTM D-2896.2. The lubricating oil composition of claim 1 , wherein a ratio of total ppm of calcium in the ...

LUBRICANTS WITH CALCIUM AND MAGNESIUM-CONTAINING DETERGENTS AND THEIR USE FOR IMPROVING LOW-SPEED PRE-IGNITION AND FOR CORROSION RESISTANCE

A lubricating oil composition and method of operating a boosted internal combustion engine with reduced low-speed pre-ignition events and corrosion resistance. The oil composition includes a base oil, one or more overbased calcium sulfonate detergents, one or more overbased calcium phenate detergents, and one or more overbased magnesium-containing detergents. A ratio of ppm of calcium to TBN of the oil composition is less than 170; a ratio of ppm of magnesium to total soap content in wt. % is greater than 700; and there are limited amounts of boron and molybdenum, and all weight percentages and ppm values being based on the total weight of the oil composition. The compositions give low LSPI ratios and pass the Ball Rust test. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, based on a total weight of the lubricating oil composition;one or more overbased calcium sulfonate detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896;one or more overbased calcium phenate detergents having a total base number of greater than 170 mg KOH/g, measured by the method of ASTM D-2896; andone or more overbased magnesium-containing detergents; and;wherein a ratio of the amount of calcium in ppm by weight, based on the total weight of the lubricating oil composition to a total base number of the lubricating oil composition measured by the method of ASTM D-2896, is less than 170;a ratio of magnesium in ppm by weight, based on a total weight of the lubricating oil composition, to total soap content in wt. %, based on a total weight of the lubricating oil composition, is greater than 700;an amount of boron in the lubricating oil composition is less than 300 ppm by weight, based on the total weight of the lubricating oil composition; andan amount of molybdenum in the lubricating oil composition is less than 330 ppm by weight, based on the total weight of the lubricating oil ...

Lubricants With Overbased Calcium and Overbased Magnesium Detergents and Method for Improving Low-Speed Pre-Ignition

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil includes greater than 50 wt. % of a base oil, one or more overbased calcium-containing detergents, one or more overbased magnesium-containing detergents and one or more molybdenum compounds and leads to a more than 60% reduction in LSPI compared to the LSPI of a reference oil and passes the Ball Rust Test. The ratio of wt % calcium from the overbased detergents to wt. % of magnesium from the overbased detergents is less than 11.9. A ratio of total ppm of magnesium to total TBN of the lubricating oil in mg KOH/g is greater than 19. A ratio of the total ppm of calcium to the total TBN of the lubricating oil is less than 222. The oil and method may reduce low-speed pre-ignition events in a boosted internal combustion relative to commercially available lubricating oils. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, based on a total weight of the lubricating oil composition;a sufficient amount of one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, to provide greater than 1000 ppm calcium to the lubricating oil composition;one or more overbased magnesium-containing detergents having a total base number of greater than 225 mg KOH/g, measured by the method of ASTM D-2896, wherein the total amount of magnesium provided by the one or more overbased magnesium-containing detergents to the lubricating oil composition 50-1500 ppm; andone or more molybdenum compounds providing a total amount of molybdenum to the lubricating composition of 25-1000 ppm;wherein a ratio of the wt. % of calcium in the lubricating oil composition from the one or more overbased calcium-containing detergents to the wt. % of magnesium in the lubricating oil composition from the one or more overbased magnesium-containing detergents is less than ...

METHOD FOR IMPROVING ENGINE FUEL EFFICIENCY

A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including from 75 to 95 wt % of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock including from 30 to 35 wt % Group III, 45 to 55 wt % Group IV and 0 to 5 wt % Group V and a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt. % and a mixed glyceride ester at from 0.1 to 1.0 wt. % of the formulated oil. The lubricating engine oils are useful in internal combustion engines including direct injection, gasoline and diesel engines. 1. A method for improving fuel efficiency and reducing frictional properties , while maintaining or improving deposit control , in an engine lubricated with a lubricating oil by using as the lubricating engine oil a formulated oil , said formulated oil having a composition comprising:from 75 to 95 wt % of lubricating oil base stock including a Group I base stock or a combination of a Group III, Group IV and Group V base stock comprising from 30 to 35 wt % Group III, 45 to 55 wt % Group IV and 0 to 5 wt % Group V;a friction modifier mixture comprising a polymeric ethoxylated fatty acid ester at from 0.1 to 1.0 wt. % and a mixed glyceride ester at from 0.1 to 1.0 wt. %, andwherein the remainder of the lubricating engine oil includes one or more other lubricating oil additives;wherein fuel efficiency and friction reduction properties are improved (mini-traction machine (MTM) in Stribeck mode friction coefficient at 140° C. less than or equal to 0.20) and deposit control is maintained or improved (TEOST 33C total deposits less than or equal to 40 mg) as compared to friction reduction properties and deposit control achieved using a lubricating engine oil not containing the ...

ALKYLPHENOL DETERGENTS

The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. An alkylphenol-containing detergent comprising at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms , wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms.2. An alkylphenol-containing detergent of claim 1 , where the phenol-containing detergent is a sulfur-bridged phenate detergent claim 1 , a sulfur-free alkylene-bridged phenate detergent claim 1 , a salicylate detergent claim 1 , or mixtures thereof.3. An alkylphenol-containing detergent of claim 2 , where the detergent comprises one or more alkali metals claim 2 , one or more alkaline earth metals claim 2 , or mixtures thereof.4. An alkylphenol-containing detergent of claim 3 , where the detergent is overbased.5. An alkylphenol-containing detergent of claim 4 , where the overbased detergent has a metal ratio of at least 1.5.6. An alkylphenol-containing detergent of claim 1 , where the alkyl group comprises oligomers of n-butene claim 1 , where the alkyl group is a hydrocarbyl group of 12 to 48 carbon atoms.7. An alkylphenol-containing detergent of claim 1 , wherein the detergent is an overbased sulfur-coupled phenate detergent with a metal ratio of at least 1.5.9. An alkylphenol-containing detergent of claim 1 , wherein the detergent is a neutral or overbased salt of alkylsalicylic acid.11. A lubricating composition comprising (a) an oil of lubricating viscosity and (b) A phenol-containing ...

LUBRICATING OIL COMPOSITIONS AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one potassium and/or lithium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible potassium and/or lithium compound. 1. A method for preventing or reducing low speed pre-ignition in a direct injected , boosted , spark ignited internal combustion engine , said method comprising the step of lubricating the crankcase of the engine with a lubricating oil composition comprising from about 300 to about 3500 ppm of metal from at least one potassium-containing compound , based on the total weight of the lubricating oil.2. The method of claim 1 , wherein the engine is operated under a load with a break mean effective pressure (BMEP) of from about 12 to about 30 bars.3. The method of claim 1 , wherein the engine is operated at speeds between 500 and 3 claim 1 ,000 rpm.4. The method of claim 1 , wherein the potassium-containing compound is a potassium-containing detergent.5. The method of claim 4 , wherein the detergent comprises one or more of a sulfonate detergent claim 4 , a phenate detergent claim 4 , a carboxylate detergent claim 4 , a salicylate detergent claim 4 , or combinations thereof6. The method of claim 1 , wherein the lubricant composition further comprises at least one other additive selected from an ashless dispersant claim 1 , an ashless antioxidant claim 1 , a phosphorus- containing anti-wear additive claim 1 , a friction modifier claim 1 , and a polymeric viscosity modifier.7. The method of any one of to claim 1 , wherein there is a reduction in the number of LSPI events of at least 50 percent claim 1 , at least 60 percent claim 1 , at least 70 percent claim 1 , at least 80 percent claim 1 , at least 90 percent claim 1 , at least 95 ...

Hydrocarbon Marine Fuel Oil

A liquid hydrocarbon marine fuel oil includes a marine distillate fuel or a heavy oil or a blend thereof containing an additive combination including: (A) a polyalkenyl-substituted carboxylic acid or anhydride, and (B) a metal hydrocarbyl-substituted hydroxybenzoate and/or sulfonate detergent, where the mass:mass ratio of (A) to (B) is in the range of 20:1 to 1:20 and the treat rate of the additive combination is in the range of 5 to 10000 ppm by mass.

LUBRICATING OIL COMPOSITION

Disclosed is a lubricating oil composition capable of inhibiting vibrations or noises generated between a pulley and a chain or between a pulley and a belt in a CVT or the like, while increasing an intermetallic friction coefficient, the composition containing a base oil, an alkaline earth metal-based detergent (A), a phosphite ester (B1), a phosphate ester amine salt (B2), an acidic phosphate ester (B3), an aliphatic monoamine (C1), and an aromatic monoamine (C2).

TITANIUM AND MOLYBDENUM COMPOUNDS AND COMPLEXES AS ADDITIVES IN LUBRICANTS

A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils. 1. A lubricating composition comprising:an oil of lubricating viscosity;about 5 to about 100 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material which comprises a titanium (IV) alkoxide or a titanium (IV) neodecanoate or mixtures thereof;about 50 to about 150 parts per million by weight molybdenum in the form of an oil-soluble molybdenum-containing material comprising a molybdenum hydrocarbyldithiocarbamate; andabout 0.3 to about 3 percent by weight of a hindered phenolic antioxidant.2. The lubricating composition of claim 1 , wherein the amount of molybdenum is about 70 to about 150 parts per million by weight.3. The lubricating composition of claim 1 , wherein the hindered phenolic antioxidant comprises a hindered phenolic ester antioxidant.4. The lubricating composition of claim 1 , wherein the amount of the phenolic antioxidant is about 0.7 to about 2.0 percent by weight.5. The lubricating composition of claim 1 , wherein the amount of phosphorus in said composition is less than about 1000 parts per million by weight.6. The lubricating composition of claim 1 , further comprising at least one additive selected from the group consisting of an anti-wear agent and a dispersant.7. The lubricating composition of claim 1 , further comprising a sodium-containing detergent in an amount to contribute about 100 to about 2000 parts per million weight sodium to the composition.8. The lubricating composition of claim 1 , further comprising about 0.1 to about 2.0 weight percent of a component comprising a hydroxycarboxylic acid or an ester claim 1 , amide claim 1 , imide claim 1 , or salt thereof ...

Ashless-friction modifiers for lubricating compositions

The invention provides a lubricating composition containing an oil of lubricating viscosity and an ashless ketone compound with at least one of a hydroxy group and an ether linkage attached to the carbon atom adjacent to the carbonyl carbon of the ketone, especially α-hydroxyketone. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the α-hydroxyketone compound as a friction modifier and an antiwear agent.

Low Zinc Lubricant Composition

The disclosed technology relates to lubricants for compression ignition internal combustion engines, particularly those demonstrating at least one of improved seals performance, reduced deposit formation, and excellent durability. The present invention provides a low zinc lubricating composition comprising (a) an oil of lubricating viscosity, (b) a borated dispersant, and (c) a metal-free organo-phosphorus anti-wear additive, wherein the lubricating composition is substantially free of a metal containing sulfur coupled alkyl phenol compound. Further, the low zinc lubricating composition contains zinc in an amount less than 600 ppm by weight of the composition. 1. A low zinc lubricating composition comprising:an oil of lubricating viscosity;a borated dispersant; anda metal-free organo-phosphorus anti-wear additive, wherein the lubricating composition is substantially free of a metal-containing sulfur-coupled alkylphenol,wherein the lubricating composition contains zinc in an amount less than 600 ppm by weight of the composition.2. The lubricating composition of claim 1 , wherein the borated dispersant comprises at least one of a borated succinimide dispersant claim 1 , a borated Mannich dispersant claim 1 , a borated polyolefin succinic acid ester claim 1 , amide or ester-amide and mixtures thereof.3. The lubricating composition of claim 1 , wherein the borated dispersant comprises a borated polyalkenyl succinimide derived from a polyolefin having number average molecular weight of 350 to 5000 Daltons and a vinylidene content of at least 50 mol %.4. The lubricating composition of claim 1 , wherein the borated dispersant is present in an amount of about 1 wt. % to about 4 wt. % of the composition.5. The lubricating composition of claim 1 , wherein the borated dispersant is present in an amount to deliver at least 25 ppm boron to the composition.6. The lubricating composition of claim 1 , further comprising a phosphorus-free anti-wear additive.7. The lubricating ...

Marine Engine Lubrication

A trunk piston marine engine lubricant comprises in respective minor amounts (A) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent system, and (B) a hydrocarbyl-substituted succinic acid anhydride made by halogen- or radical-assisted functionalization processes, where the ratio of succinic anhydride to hydrocarbyl chains is in the range of 1.4 to 4. The lubricant, when used to lubricate such an engine fuelled by heavy fuel oil, exhibits improved control of asphaltene precipitation and deposition on engine surfaces. 1. A trunk piston marine engine lubricating oil composition for improving asphaltene handling in use thereof , in operation of such engine when fuelled by a heavy fuel oil , which composition comprises , or is made by admixing , an oil of lubricating viscosity and , in respective minor amounts:(A) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent system, and(B) a hydrocarbyl-substituted succinic acid anhydride, made from halogen- or radical-assisted functionalization processes, where the ratio of succinic anhydride groups per substituted hydrocarbyl moiety is in the range of 1.4 to 4.2. The composition of wherein claim 1 , in said hydrocarbyl-substituted succinic acid anhydride (B) claim 1 , the hydrocarbyl group has a number average molecular weight in the range of 500 to 3 claim 1 ,000 daltons.3. The composition of claim 2 , wherein said number average molecular weight is in the range of 700 to 2 claim 2 ,300 daltons.4. The composition of claim 3 , wherein said number average molecular weight is in the range of 800 to 1 claim 3 ,500 daltons.5. The composition of claim 1 , wherein claim 1 , in said hydrocarbyl-substituted succinic acid anhydride (B) claim 1 , the ratio of succinic anhydride groups per substituted hydrocarbyl moiety is in the range of 1.4 to 3.6. The composition of claim 5 , wherein claim 5 , in said hydrocarbyl-substituted succinic acid anhydride (B) claim 5 , the ratio succinic anhydride groups per ...

Engine Lubricants Containing a Polyether

A sump-lubricated, spark-ignited engine is lubricated by supplying thereto a lubricant which comprises (a) an oil of lubricating viscosity; (b) a polyether; and (c) a metal-containing detergent. The lubricant has a total phosphorus content of less than 0.075 percent by weight. 2. The method of wherein the polyether comprises a reaction product of one unit derived from a hydroxy-containing hydrocarbon and two or more units derived from an alkylene oxide claim 1 , wherein the hydroxy-containing hydrocarbon contains 1 to about 50 carbon atoms and the alkylene group of the alkylene oxide contains 2 to 4 carbon atoms claim 1 , wherein the reaction product is optionally further reacted with acrylonitrile and hydrogenated to provide a terminal amino group.3. (canceled)4. The method of wherein the polyether comprises a polyetheramine.5. (canceled)6. (canceled)7. The method of wherein the salicylate detergent comprises an overbased calcium hydrocarbyl-substituted salicylate detergent.8. (canceled)9. The method of wherein the amount of the detergent is about 0.05 to about 1.5 percent by weight.10. The method of wherein the zinc dihydrocarbyldithiophosphate is present in an amount to contribute about 0.01 to about 0.06 weight percent phosphorus.11. The method of wherein the phosphorus content of the lubricant is about 0.01 to about 0.05 percent by weight.12. The method of wherein the sulfated ash level of the lubricant is less than about 0.80 percent.13. The method of wherein the lubricant further comprises an ashless antioxidant.15. The lubricant of wherein the polyether comprises a reaction product of one unit of a hydroxy-containing hydrocarbon and two or more units of an alkylene oxide claim 14 , wherein the hydroxy-containing hydrocarbon contains 1 to 50 carbon atoms and the alkylene group of the alkylene oxide contains 2 to 4 carbon atoms claim 14 , wherein the reaction product is optionally further reacted with acrylonitrile and hydrogenated to provide a terminal amino ...

Lubricating composition with seals compatibility

The disclosed technology relates to a lubricating composition additives that prevent or reduce seals degradation, especially in the presence of basic amine compounds which impart basicity (measured as total base number or TBN) to the lubricating composition. The lubricating composition contains (a) an oil of lubricating viscosity, (b) a basic amine compound, and (c) a 1,3-dioxane-4,6-dione compound.

Lubricating composition for a hybrid electric vehicle transmission

The disclosed technology relates to a lubricant composition for use in an automatic transmission of a hybrid electric vehicle, containing an oil of lubricating viscosity, at least one borate ester, and at least one phosphorus containing compound.

METAL COMPOUNDS OF CALIXARENES, DETERGENT COMPOSITIONS CONTAINING THEM AND USE THEREOF IN LUBRICANT COMPOSITIONS

The present invention relates to a metal compound of calixarene not containing sulfur and dispersible in oil, which can be partially salified, or neutral, or basic or overbased, said calixarene having general formula (I) in which: a) R, R, Rand Rare independently selected from hydrogen, or a group containing carbon and hydrogen, or a group containing in addition to carbon and hydrogen also heteroatoms, provided that said heteroatoms are not sulfur; b) one of the two substituents Rand Ris hydrogen, while the other may be selected from hydrogen, or a linear or branched alkyl with a number of carbon atoms between 1 and 6, preferably methyl, ethyl, 1-propyl, 2-propyl, n-butyl, sec-butyl, more preferably methyl or ethyl; c) n is the number of units of the calixarene ring and is comprised in the range between 4 and 16, preferably between 5 and 12; said calixarene being characterized in that in at least one of the n units of the calixarene ring, at least one of the substituents R, R, Rand Rcontains at least one acid group of carboxylic type available for the reaction with a metal base, with the proviso that said acid group of carboxylic type is not contained in a unit of the calixarene ring derived from salicylic acid. 2. The metal compound according to wherein the calixarene having general formula (I) comprises at least two units of the n units of the calixarene ring in which at least one of the substituents R claim 1 , R claim 1 , Rand Rcontains at least one acid group of the carboxylic type claim 1 , with the proviso that said acid group of carboxylic type is not part of a unit of the calixarene ring derived from salicylic acid.3. The metal compound according to wherein the calixarene having general formula (I) comprises a number of units of the ring claim 1 , between 2 and n claim 1 , in which one of the substituents Rand Rcontains an acid group of carboxylic type claim 1 , with the proviso that said acid group of carboxylic type is not part of a unit of the calixarene ...

Composition Containing Heterocyclic Compounds and a Method of Lubricating an Internal Combustion Engine

The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and(b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition. 2. The method of claim 1 , wherein the lubricating composition has at least one of (i) a sulphur content of 0.8 wt % or less claim 1 , (ii) a phosphorus content of 0.2 wt % or less claim 1 , or (iii) a sulphated ash content of 2 wt % or less.3. The method of claim 1 , wherein the lubricating composition further comprises 0.1 wt % to 4 wt % of an overbased detergent selected from the group consisting of phenates claim 1 , sulphur containing phenates claim 1 , sulphonates claim 1 , salicylates claim 1 , and mixtures thereof.4. The method of claim 1 , wherein the lubricating composition further comprises a phosphorus-containing antiwear agent that is present in an amount to deliver 100 ppm to 1000 ppm phosphorus to the lubricating composition5. The method of claim 1 , wherein the lubricating composition further comprises:(c) 0.1 wt% to 4 wt % of an overbased detergent selected from the group consisting of phenates, sulphur containing phenates, sulphonates, salicylates, and mixtures thereof; and(d) a phosphorus-containing antiwear agent that is present in an amount to deliver 100 ppm to 1000 ppm phosphorus to the lubricating composition.6. The method of claim 1 , wherein the lubricating composition comprising an oil of lubricating viscosity which is an API Group I claim 1 , Group II claim 1 , Group III claim 1 , or Group IV oil claim 1 , or mixtures thereof.7. The method of claim 1 , wherein the engine has components having surfaces comprising iron and/or ...

Method for lubricating internal combustion engine

A method for lubricating an internal combustion engine, the method including: supplying a lubricating oil composition to a cylinder of an internal combustion engine, wherein the internal combustion engine has a mean effective pressure of no less than 1.3 MPa, wherein an integrated intensity ratio of peaks of CaO in a X-ray diffraction spectrum of an ash is no more than 16.5%, the ash being obtained by incinerating the lubricating oil composition in an air at 950° C.

ALKYLPHENOL DETERGENTS

The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms. The invention further relates to a method of lubricating a mechanical device with the lubricant composition. 1. An alkylphenol-containing detergent comprising at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms , wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms.2. An alkylphenol-containing detergent of claim 1 , where the phenol-containing detergent is a sulfur-bridged phenate detergent claim 1 , a sulfur-free alkylene-bridged phenate detergent claim 1 , a salicylate detergent claim 1 , or mixtures thereof.3. An alkylphenol-containing detergent of claim 2 , where the detergent comprises one or more alkali metals claim 2 , one or more alkaline earth metals claim 2 , or mixtures thereof.4. An alkylphenol-containing detergent of claim 3 , where the detergent is overbased.5. An alkylphenol-containing detergent of claim 4 , where the overbased detergent has a metal ratio of at least 1.5 claim 4 , at least 5 claim 4 , or at least 7.6. An alkylphenol-containing detergent of claim 1 , where the alkyl group comprises oligomers of n-butene claim 1 , where the alkyl group is a hydrocarbyl group of 12 to 48 carbon atoms.7. An alkylphenol-containing detergent of claim 1 , wherein the detergent is an overbased sulfur-coupled phenate detergent with a metal ratio of at least 1.5.9. An alkylphenol-containing detergent of claim 1 , wherein the detergent is a neutral or overbased salt of alkylsalicylic acid.11. A lubricating composition comprising (a) an oil of ...

Lubrication oil composition with enhanced wear and low speed pre-ignition properties

A lubricating oil composition having a sulfated ash content of from greater than 1.0 wt. % to about 2.0 wt. %, a phosphorus content of from about 0.07 to about 0.12 wt. % and a sulfur content of 0.4 wt. % or less, the lubricating oil composition comprising: (a) an oil of lubricating viscosity in a major amount; (b) an overbased magnesium detergent, in an amount providing the lubricating oil composition with at least 600 ppm of magnesium; (c) a boron-containing compound, in an amount providing the lubricating oil composition with at least 250 ppm of boron; and (d) a molybdenum-containing compound, in an amount providing the lubricating oil composition with at least 50 ppm of molybdenum, wherein the composition has a B/Mo mass ratio in a range of 2 to 10 and a S/Mo mass ratio in a range of 10 to 25.

LUBRICANTS FOR USE IN BOOSTED ENGINES

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition is formulated to be resistant to turbocharger deposit formation in the boosted internal combustion engine, as shown by its ability to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test. The lubricating oil composition may also have a low NOACK volatility, as measured by the method of ASTM D-5800 at 250° C. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity and one or more metal-containing detergent(s);wherein a ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total nitrogen in ppm in the lubricating oil composition is less than 1.9;a ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total boron in ppm in the lubricating oil composition is less than 7.5; anda ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total molybdenum in ppm in the lubricating oil composition is less than 23.8;the lubricating oil composition has a NOACK volatility as measured by the method of ASTM D-5800 at 250° C. of less than 11.0 wt. %, and the lubricating oil composition is effective to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test.2. The lubricating oil composition according to claim 1 , wherein the ratio of total metal from the one or more metal-containing detergent(s) in ppm in the lubricating oil composition to the total nitrogen in ppm in the lubricating oil composition is less than 1.8.3. The lubricating oil composition according to claim 1 , wherein the ratio of total metal from the one or more metal-containing ...

LUBRICATING COMPOSITION COMPRISING SULFONATE DETERGENT AND ASHLESS HYDROCARBYL PHENOLIC COMPOUND

The disclosed technology provides lubricating compositions comprising an oil of lubricating viscosity, an alkaline earth metal sulfonate detergent having a metal ratio of at least 10, in an amount to contribute 3 to 14 g KOH/kg of TBN to the lubricating composition, an ashless, sulfur free, hydrocarbyl phenolic compound in an amount of 0.4 to about 6.0 weight percent (wt %) of the composition, and an ashless dispersant; wherein the lubricating composition has total ash of 0.3 to 1.8 wt %, total detergent soap of 0.1 to 1.2 wt % and wherein the lubricating composition contains less than 0.1 wt % of a sulfur-containing phenolic detergent. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the of the lubricating composition in a heavy duty diesel internal combustion engine to improve control of at least one of the following (i) fuel economy, (ii) corrosion, (iii) cleanliness, and (iv) bore wear. 1. A lubricating composition comprising:a) an oil of lubricating viscosity;b) an alkaline earth metal sulfonate detergent having a metal ratio of at least 10, in an amount to contribute 3 to 14 g KOH/kg of TBN to the lubricating composition;c) an ashless, sulfur free, hydrocarbyl phenolic compound in an amount 0.4 wt % to about 6.0 wt % of the composition; andd) an ashless dispersant;wherein the lubricating composition has total ash of 0.3 to 1.8 wt %;wherein the lubricating composition has total detergent soap in an amount 0.1 weight percent to 1.2 wt %; andwherein the lubricating composition contains less than 0.1 wt % of a sulfur-containing phenolic detergent.2. The lubricating composition of claim 1 , wherein the ashless claim 1 , sulfur free claim 1 , hydrocarbyl phenolic compound comprises an oxyalkylated hydrocarbyl phenolic compound.3. The lubricating composition of claim 2 , wherein the oxyalkylated ...

Lubricant composition based on polyglycerol ether

A lubricant composition includes at least one branched polyglycerol ether, and more particularly at least one branched polyglycerol ether and at least one dispersant. A method for reducing fuel consumption of a vehicle utilizing a lubricant composition is also provided. Furthermore, a use of a branched polyglycerol ether as a friction modifier in a lubricant composition is disclosed.

Low viscosity lubricating oil composition

A lubricating oil composition having a high temperature high shear (HTHS) viscosity at 150° C. in a range of about 1.3 to about 2.3 cP is disclosed. The composition comprises (a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm2/s; (b) an organomolybdenum compound providing 200 to 1500 ppm by weight of molybdenum to the lubricating oil composition; (c) a calcium-containing detergent providing 750 to 3000 ppm by weight of calcium to the lubricating oil composition; (d) a magnesium-containing detergent providing 200 to 1500 ppm by weight of magnesium to the lubricating oil composition; and (e) a viscosity modifier having a PSSI of 30 or less.

Marine diesel lubricant oil compositions

A lubricating oil composition can include a major amount of an oil of lubricating viscosity and a minor amount of an alkaline earth metal phenol-based detergent. The lubricating oil composition can further have a BN of greater than 140 mg KOH/g, and further wherein the marine diesel cylinder lubricating oil composition is substantially free of unsulfurized tetrapropenyl phenol and its unsulfurized metal salt.

ADDITIVE CONCENTRATES

The use of berated dispersant, preferably in combination with polyalkylenyl succinic anhydrides, to stabilise an additive concentrate which includes a salicylate detergent and a nitrogen-free ashless organic friction modifier. 2. An additive concentrate as claimed in claim 1 , wherein the plurality of additives in the additive concentrate further includes (D) one or more oil-soluble or oil-dispersible poly(Cto C)alkylenyl succinic anhydride(s) claim 1 , and wherein (C) and (D) are each present in amounts that are effective claim 1 , in combination claim 1 , to stabilise the additive concentrate.3. An additive concentrate as claimed in claim 2 , wherein the average succination ratio of the one or more poly(Cto C)alkylenyl succinic anhydride(s) (D) is greater than or equal to 1.35.4. An additive concentrate as claimed in claim 2 , wherein the number average molecular weight (M) of the poly(Cto C)alkylenyl chain(s) of the one or more poly(Cto C)alkylenyl succinic anhydride(s) (D) is greater than or equal to 1250 daltons.5. An additive concentrate as claimed in claim 2 , wherein the one or more poly(Cto C)alkylenyl succinic anhydride(s) (D) is one or more polyisobutylenyl succinic anhydride(s) (PIBSA(s)).6. An additive concentrate as claimed in claim 2 , wherein the one or more poly(Cto C)alkylenyl succinic anhydride(s) (D) is present in amount of from 1.0 to 10.0 mass % on an active ingredient basis claim 2 , based on the total mass of the additive concentrate.7. An additive concentrate as claimed in claim 1 , wherein the one or more aliphatic (Cto C)hydrocarbyl fatty acid ester(s) (B) is the ester reaction product of one or more aliphatic (Cto C)hydrocarbyl fatty acid(s) claim 1 , or a reactive derivative(s) thereof claim 1 , and one or more alkanol(s).8. An additive concentrate as claimed in claim 7 , wherein the one or more alkanol(s) is a polyhydric (Cto C)alkanol(s).9. An additive concentrate as claimed in claim 8 , wherein the polyhydric (Cto C)alkanol(s) is ...

ADDITIVE CONCENTRATES

The use of polyalkylenyl succinic anhydrides to stabilise an additive concentrate which includes a salicylate detergent and a nitrogen-free ashless organic friction modifier. 1. An additive concentrate for use in forming a lubricating oil composition , the additive concentrate comprising diluent oil of lubricating viscosity present in a minor amount of less than 50 mass % , based on the total mass of the additive concentrate , and a plurality of oil-soluble or oil-dispersible additives contained therein , wherein the combined amount of all of said plurality of additives in the additive concentrate is greater than 50 mass % on an active ingredient basis , based on the total mass of the additive concentrate , and wherein the plurality of additives include the following additives:(A) one or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent(s) present in an amount of greater than or equal to 3.0 mass % on an active ingredient basis, based on the total mass of the additive concentrate;{'sub': 7', '29, '(B) one or more oil-soluble or oil-dispersible ashless nitrogen-free organic friction modifier(s) which is one or more aliphatic (Cto C)hydrocarbyl fatty acid ester(s) present in an amount of greater than or equal to 0.50 mass % on an active ingredient basis, based on the total mass of the additive concentrate; and,'}{'sub': 2', '6', 'n', '2', '6', '2', '6, '(C) one or more oil-soluble or oil-dispersible poly(Cto C)alkylenyl succinic anhydride(s) present in an effective amount to stabilise the additive concentrate, wherein the number average molecular weight (M) of the poly(Cto C)alkylenyl chain(s) of the one or more poly(Cto C)alkylenyl succinic anhydride(s) is greater than or equal to 1250 daltons.'}2. An additive concentrate as claimed in claim 1 , wherein the number average molecular weight (M) of the poly(Cto C)alkylenyl chain(s) of the one or more poly(Cto C)alkylenyl succinic anhydride(s) is greater than or equal to 1500 ...

ADDITIVE CONCENTRATES

The use of polyalkylenyl succinic anhydrides to stabilize an additive concentrate which includes a salicylate detergent and a nitrogen-free ashless organic friction modifier. 1. An additive concentrate for use in forming a lubricating oil composition , the additive concentrate comprising diluent oil of lubricating viscosity present in a minor amount of less than 50 mass % , based on the total mass of the additive concentrate , and a plurality of oil-soluble or oil-dispersible additives contained therein , wherein the combined amount of all of said plurality of additives in the additive concentrate is greater than 50 mass % on an active ingredient basis , based on the total mass of the additive concentrate , and wherein the plurality of additives include the following additives:(A) one or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent(s) present in an amount of greater than or equal to 3.0 mass % on an active ingredient basis, based on the total mass of the additive concentrate;{'sub': 7', '29, '(B) one or more oil-soluble or oil-dispersible ashless nitrogen-free organic friction modifier(s) which is one or more aliphatic (Cto C)hydrocarbyl fatty acid ester(s) present in an amount of greater than or equal to 0.50 mass % on an active ingredient basis, based on the total mass of the additive concentrate; and,'}{'sub': 2', '6', '2', '6, '(C) one or more oil-soluble or oil-dispersible poly(Cto C)alkylenyl succinic anhydride(s) present in an effective amount to stabilize the additive concentrate, wherein the average succination ratio (SR) of the one or more poly(Cto C)alkylenyl succinic anhydride(s) is greater than or equal to 1.35.'}2. An additive concentrate as claimed in claim 1 , wherein the average succination ratio of the one or more poly(Cto C)alkylenyl succinic anhydride(s) is greater than or equal to 1.4.3. An additive concentrate as claimed in claim 1 , wherein the average succination ratio of the one or more poly( ...

Marine Engine Lubrication

A low S marine fuel trunk piston diesel engine lubricant includes an overbased metal detergent; a zinc dihydrocarbyl dithiophosphate; optionally an aminic antioxidant; and a borated ashless dispersant. The lubricant exhibits improved thermal and oxidative stability and improved high temperature detergency. 1. A low sulfur marine fuel trunk piston diesel engine lubricating oil composition comprising or made of admixing(A) an oil of lubricating viscosity in a major amount; and, in respective minor amounts(B) an overbased metal detergent comprising a metal salt of a surfactant selected from a hydrocarbyl-substituted phenol, a hydrocarbyl-substituted sulfonic acid, and a hydrocarbyl-substituted hydroxybenzoic acid;(C) a zinc dihydrocarbyldithiophosphate in an amount of 50 to 1000 ppm by weight in terms of P atoms;(D) optionally, an aminic anti-oxidant in an amount of up to 400 ppm by weight in terms of N atoms; and(E) a borated ashless dispersant in an amount of 10 to 500 ppm by weight in terms of B atoms;the composition having a TBN of 5 to less than 20 mg KOH/g.2. The composition of where the oil of lubricating viscosity is a Group I and/or Group II base oil; preferably a Group I base oil.3. The composition of where (B) provides the composition with a soap level of 0.1 to 4 mass %.4. The composition of where claim 1 , in (B) claim 1 , the surfactant is a hydrocarbyl-substituted hydroxybenzoic acid in the form of a hydrocarbyl-substituted salicylic acid.5. The composition of where the detergent also includes a sulfonate.6. The composition of where (C) is a primary and/or secondary zinc dialkyldithiophosphate.7. The composition of where (D) claim 1 , is present claim 1 , and is an alkylated diphenylamine.8. The composition of where (E) is a borated succinimide.9. A method for operating a four-stroke trunk piston engine comprising(i) fueling the engine with a low sulfur marine fuel; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(ii) lubricating the engine with a ...

LUBRICATING OIL COMPOSITION PROVIDING WEAR PROTECTION AT LOW VISCOSITY

Provided is a lubricating oil comprising: (a) a major amount of an oil of lubricating viscosity, (b) a dispersant polymethacrylate (DPMA) VII, (c) a non-dispersant ethylene-based olefin copolymer viscosity index improver, (d) a magnesium containing detergent; wherein the lubricating oil composition is substantially free of molybdenum containing element. Also provided is a method for improving friction and reducing wear in an internal combustion engine using said engine lubricating oil composition. 1. A lubricating oil composition having a HTHS viscosity at 150° C. in a range of about 1.3 to about 2.9 cP , comprising:{'sup': '2', 'a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm/s;'}b) a dispersant polymethacrylate (DPMA) VII having a Mw of from 200,000 g/mol to 450,000 g/mol;c) a non-dispersant ethylene-based olefin copolymer viscosity index improver having a Mw of from 50,000 g/mol to 150,000 g/mol and a total ethylene content of about 30 wt % to about 70 wt %; 'wherein the lubricating oil composition is substantially free of molybdenum containing element.', 'd) from about 200 to about 1000 ppm of magnesium from a magnesium containing detergent; and'}2. The lubricating oil composition of claim 1 , further comprising from 1 to 10 wt. %. of an ester base oil.3. The lubricating oil composition of claim 1 , wherein the magnesium containing detergent is a magnesium salicylate derived from a C-Cisomerized normal alpha olefin.4. The lubricating oil composition of claim 1 , wherein the non-dispersant ethylene-based olefin copolymer viscosity index improver has a total ethylene content of about 55 to 65 wt. %.5. The lubricating oil composition of claim 1 , wherein the non-dispersant ethylene-based olefin copolymer viscosity index improver has a Mw of from 70 claim 1 ,000 g/mol to 110 claim 1 ,000 g/mol.6. The lubricating oil composition of claim 1 , wherein the a dispersant polymethacrylate (DPMA) VII ...

LUBRICATING OIL COMPOSITION PROVIDING WEAR PROTECTION AT LOW VISCOSITY

Provided is a lubricating oil composition comprising: (a) a major amount of an oil of lubricating viscosity, (b) a dispersant polymethacrylate (DPMA) VII; (c) a non-dispersant ethylene-based olefin copolymer viscosity index improver; (d) a molybdenum containing compound; and (e) a minor amount of a salicylate detergent. Also provided is a method of improving friction and reducing wear in an internal combustion engine using said lubricating oil composition 1. A lubricating oil composition having a HTHS viscosity at 150° C. in a range of about 1.3 to about 2.9 cP , comprising:{'sup': '2', 'a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of 1.5 to 6.0 mm/s;'}b) a dispersant polymethacrylate (DPMA) VII having a Mw of from 200,000 g/mol to 450,000 g/mol;c) a non-dispersant ethylene-based olefin copolymer viscosity index improver having a Mw of from 50,000 g/mol to 150,000 g/mol and a total ethylene content of about 50 wt % to about 70 wt %;d) from about 50 to about 300 ppm of molybdenum from a molybdenum containing compound; ande) a minor amount of a salicylate detergent.3. The lubricating oil composition of claim 1 , wherein the non-dispersant ethylene-based olefin copolymer is an ethylene propylene copolymer.4. The lubricating oil composition of claim 1 , wherein the molybdenum from the molybdenum containing compound is from about 50 to about 250 ppm.5. The lubricating oil composition of claim 1 , wherein the molybdenum from the molybdenum containing compound is from about 50 to about 200 ppm.6. The lubricating oil composition of claim 1 , wherein the molybdenum containing compound is free of sulfur.7. The lubricating oil composition of claim 1 , wherein the lubricating oil composition is a multi-grade SAE 0W-XX oil claim 1 , wherein XX is any one of 8 claim 1 , 10 claim 1 , 12 claim 1 , 16 claim 1 , and 20.8. The lubricating oil composition of claim 1 , wherein the minor amount of a salicylate detergent is ...

Cylinder lubricating oil composition for crosshead diesel engine

The present invention relates to a cylinder lubricating oil for crosshead diesel engines. In addition to having conventional characteristics such as heat resistance, cleanliness, wear resistance, and the like, the cylinder lubricating oil can be used with fuel of any sulfur content and suppresses the amount of piston deposit even when the base number is excessive. In greater detail, the present invention relates to a cylinder lubricating oil composition which includes an ashless dispersant (B) and a metallic detergent (C) in a lubricant base oil (A), in which the product of the number average molecular weight, the content, and the effective concentration of the ashless dispersant (B) is at least 9000, and the endothermic peak temperature of the metallic detergent (C) as measured by DSC at a rate of temperature increase of 50° C./min is at most 460° C.

Method for improving deposit control

A method for improving deposit control, while maintaining or improving demulsibility performance, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil that has a particular phenate/carboxylate detergent mixture present in a particular amount in the formulated oil. A lubricating engine oil having a composition including a lubricating oil base stock as a major component; and a phenate/carboxylate detergent mixture as a minor component. The lubricating oils of this disclosure are useful in marine crankcase systems, in particular, marine system oil applications for two-stroke marine diesel engines.

SULFURIZED CATECHOLATE DETERGENTS FOR LUBRICATING COMPOSITIONS

A lubricating composition includes a sulfurized oxy-substituted aromatic polyol compound and an oil of lubricating viscosity. The sulfurized oxy-substituted aromatic polyol compound includes at least one of a sulfurized oxy-substituted aromatic polyol and a salt of a sulfurized oxy-substituted aromatic polyol. The compound is suitable as a replacement for detergents that contain Calkyl phenols derived from oligomers of propylene. 1. A lubricating composition comprising:a sulfurized oxy-substituted aromatic polyol compound, the compound comprising at least one of a sulfurized oxy-substituted aromatic polyol and a salt of a sulfurized oxy-substituted aromatic polyol; andan oil of lubricating viscosity.2. The composition of claim 1 , wherein the sulfurized oxy-substituted aromatic polyol or salt thereof is the reaction product of an oxy-substituted polyol claim 1 , a sulfurizing agent claim 1 , and optionally a metal base or a pnictogen base.7. (canceled)8. (canceled)9. The composition of claim 3 , wherein each Ris independently selected from alkyl groups.10. The composition of claim 9 , wherein each Ris independently selected from alkyl groups including at least 8 carbon atoms.11. (canceled)12. (canceled)13. The composition of claim 2 , wherein the oxy-substituted aromatic polyol compound is an oxy-hydrocarbyl substituted catecholate.14. (canceled)15. The composition of claim 1 , wherein the oil of lubricating viscosity is at least 10 wt. % of the lubricating composition.16. (canceled)17. The composition of claim 1 , wherein the sulfur-coupled oxy-substituted aromatic polyol compound is at least 0.1 wt. % of the lubricating composition.18. (canceled)19. (canceled)20. The composition of claim 1 , further comprising at least one of the group consisting of additional detergents claim 1 , antioxidants claim 1 , dispersants claim 1 , antiwear agents claim 1 , friction modifiers claim 1 , and combinations thereof.21. The composition of claim 1 , wherein the composition is ...

METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE

The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonate (typically calcium sulphonate) is 0.4 to 1 wt % of the lubricating composition, and wherein the lubricating composition has a sulphated ash content of not more than 1.5 wt %. 2. The method of claim 1 , wherein the lubricating composition has (i) a sulphur content of 0.5 wt % or less claim 1 , (ii) a phosphorus content of 0.1 wt % or less claim 1 , and (iii) a sulphated ash content of 0.5 wt % to 1.5 wt %.3. The method of claim 1 , wherein the lubricating composition has at least one of (i) a sulphur content of 0.2 wt % to 0.4 wt % claim 1 , (ii) a phosphorus content of 0.08 wt % to 0.15 wt % claim 1 , and (iii) a sulphated ash content of 0.5 wt % to 1.5 wt %.4. The method of claim 2 , wherein the lubricating composition has a sulphated ash content of 0.5 wt % to 1.2 wt %.5. The method of claim 1 , wherein the lubricating composition has a total base number (TBN) content of at least 5 mg KOH/g.6. The method of claim 5 , wherein the lubricating composition has a total base number (TBN) content of 7 to 10 mg KOH/g.7. The method of claim 1 , wherein the 300 TBN or higher alkaline earth metal sulphonate ...

ENGINE LUBRICANTS FOR SILOXANE DEPOSIT CONTROL

A zinc free or substantially zinc free lubricant having a sulfated ash content of less than about 1.0 percent and including (a) an oil of lubricating viscosity; (b) 0.03 to about 3.0 weight percent of a phosphite compound; (c) an metal containing detergent; (d) a polyisobutylene succinimide dispersant derived from an ethylene polyamine and having a carbonyl to nitrogen ratio equal or greater than 1; (e) at least one other dispersant; (f) a boron containing compound in amount to provide at least 25 ppm boron to the lubricant composition is useful for inhibiting siloxane deposits in a stationary gas engine fueled by natural gas having a high silicon concentration. 1. A method for lubricating a natural gas fueled , sump-lubricated , stationary gas engine comprising supplying to the engine a lubricant composition comprising:(a) an oil of lubricating viscosity;(b) 0.03 to about 3.0 weight percent with respect to the lubricant of a phosphite compound;(c) a metal containing detergent;(d) at least a first dispersant, wherein the first dispersant is a polyisobutylene succinimide dispersant derived from an ethylene polyamine and having a carbonyl to nitrogen ratio equal or greater than 1;(e) at least one other dispersant selected from the group consisting of a succinimide dispersant having a carbonyl to nitrogen ratio less than 1, a Mannich dispersant, a succinamide dispersant, and a polyisobutylene succinic acid ester dispersant;a boron containing compound in amount to provide at least 25 ppm boron to the lubricant composition;wherein the lubricant composition is free or substantially free of zinc, andwherein the lubricant composition has a sulfated ash content of less than about 1.0 wt. %.2. The method of wherein the phosphite compound comprises a phosphite ester selected from the group consisting of phosphite diesters claim 1 , phosphite triesters and mixtures thereof.4. The method of wherein the phosphite compound comprises a phosphite diester having ester groups of 2 to ...

LUBRICATING COMPOSITION CONTAINING AN ANTIWEAR AGENT

The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine, or a driveline device. 123-. (canceled)24. A lubricating composition comprising an oil of lubricating viscosity and 0.01 wt % to 2 wt % a non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid , or mixtures thereof ,wherein the non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid is a quaternary ammonium salt of a hydroxy-carboxylic acid,wherein the quaternary ammonium salt is derived from an amine comprising alkyl groups having 3 to 10 carbon atoms, andwherein the hydroxy-carboxylic acid is selected from the group consisting of glycolic acid, malic acid, tartaric acid and mixtures thereof.25. The lubricating composition of claim 24 , wherein lubricating composition contains 0.05 wt % to 0.1 wt % of the non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid claim 24 , or mixtures thereof.26. The lubricating composition of claim 24 , wherein lubricating composition contains 0.03 wt % to 0.5 wt % of the non-metallic cationic pnictogen salt of a hydroxy-carboxylic acid claim 24 , or mixtures thereof.27. The lubricating composition of further comprising a zinc dialkyldithiophosphate.28. The lubricating composition of further comprising an overbased detergent claim 24 , wherein the overbased detergent is typically selected from the group consisting of phenates claim 24 , sulphur containing phenates claim 24 , sulphonates claim 24 , salixarates claim 24 , salicylates claim 24 , and mixtures thereof.29. The lubricating composition of claim 24 , wherein the lubricating composition is characterised as having (i) a sulphur content of 0.5 wt % or less claim 24 , (ii) a phosphorus content of 0.1 wt % or less claim 24 , and (iii) a sulphated ash content of 1.5 wt % or less.30. A method of lubricating an internal combustion ...

Lubricant oil composition

A lubricant oil composition of the present invention that is prepared by blending a boron-containing compound therein, the boron-containing compound having a ratio of an integrated value of peaks in the 5 to 25 ppm chemical shift to an integrated value of peaks in the −10 ppm to 25 ppm chemical shift, as determined by 11 B-NMR measurement in deuterochloroform using BF 3 .OEt 2 as an external standard (0 ppm), of 0.5 or higher and 1.0 or lower.

Lubricants for Use in Boosted Engines

A lubricating oil composition and method of operating a boosted internal combustion engine. The lubricating oil composition includes greater than 50 wt. % of a base oil of lubricating viscosity, calcium, nitrogen, molybdenum and boron. The weight ratio of Ca:N (ppm/ppm) in the lubricating oil composition is greater than 1.3 to less than 3.0, the weight ratio of Ca:Mo (ppm/ppm) in the lubricating oil composition is greater than 6.7 to less than 56.3, and the weight ratio of Ca:B (ppm/ppm) in the lubricating oil composition is greater than 5.0 to less than 9.8. The lubricating oil composition does not contain added magnesium from a magnesium-containing detergent. The lubricating oil composition is resistant to deposit formation in the boosted internal combustion engine, as shown by its ability to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test. 1. A lubricating oil composition comprising:greater than 50 wt. % of a base oil of lubricating viscosity, andcalcium, nitrogen, molybdenum and boron, whereina weight ratio of Ca:N in the lubricating oil composition is greater than 1.3 to less than 3.0, a weight ratio of Ca:Mo in the lubricating oil composition is greater than 6.7 to less than 56.3, a weight ratio of Ca:B in the lubricating oil composition is greater than 5.0 to less than 9.8, andthe lubricating oil composition does not contain added magnesium from a magnesium-containing detergent, andwherein the lubricating oil composition is effective to ensure a TCO Temperature Increase of less than 9.0% as measured using the 2015 version of the General Motors dexos1® Turbocharger Coking Test.2. The lubricating oil composition of claim 1 , wherein the lubricating oil composition comprises at least one detergent selected from one or more overbased calcium-containing detergents having a total base number of greater than 225 mg KOH/g claim 1 , measured by the method of ASTM D-2896 claim ...