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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 58. Отображено 58.
02-06-2006 дата публикации

ANIONIC AZO DYES AND THE METAL COMPLEXES THEREOF OFR COLOURING LEATHER

Номер: KR1020060059887A
Принадлежит:

The invention relates to the use of anionic dyes with at least one acid group in the form of the salt thereof and at least 2 azo groups, containing lithium ions and sodium ions in the mole ratio of from 1:19 to 4:1, for the colouring of leather. © KIPO & WIPO 2007 ...

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16-04-2005 дата публикации

Anionic azo dyes and their metal complexes for leather dyeing

Номер: TW0200513571A
Принадлежит: Basf Ag

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22-02-2006 дата публикации

PROCEDURE FOR THE PREPARATION OF ACID BETA-SULFATOETILSULFONILANILIN-2-SULFONICO

Номер: AR0000047824A1
Принадлежит:

Procedimiento para la preparacion del ácido beta-sulfatoetilsulfonilanilin-2-sulfonico, que se encuentra como solucion en ácido sulfurico acuoso, en donde: en un primer paso se precipita el ácido beta-sulfatoetilsulfonilanilin-2-sulfonico por adicion de sales alcalinas(alcalinotérreas) y/o de amonio, se separa y se disuelve en agua, o se precipita el ácido sulfurico por adicion de sales de calcio, se separa eventualmente el sulfato de calcio obtenido; y en un segundo paso se ajusta el pH de la solucion obtenida por adicion de hidroxido, carbonato, hidrogenocarbonato y/o acetato alcalino(alcalinotérreo) o de amonio a un valor entre 1 y 5, se separa sulfato de calcio aun presente y se aísla el ácido beta-sulfatoetilsulfonilanilin-2- sulfonico de la solucion.

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07-06-2007 дата публикации

KERATIN-BINDING EFFECTOR MOLECULES CONTAINING REACTIVE DYES

Номер: CA0002630587A1
Принадлежит:

The invention relates to keratin-binding effector molecules containing reactive dyes and keratin-binding polypeptides as well as the use thereof in hair coloring preparations. The invention also relates to a method for dyein g hair.

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21-04-2013 дата публикации

Reactive dyeing of leather

Номер: TWI393815B
Принадлежит: BASF AG, BASF AKTIENGESELLSCHAFT

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24-11-2010 дата публикации

Method for the reactive colouring of leather

Номер: CN0101891967A
Принадлежит:

The invention relates to a method for the colouring of leather with at least one dye (F), comprising at least one group of formula (A) which may be activated under alkaline conditions, where ---- represents the bond to the remainder of the dye molecule, X is an electron-withdrawing group, k = 1, 2, or 3, n = 0 or 1 and B is a CH=CH2, or CH2-CH2-Q group, where Q is a group which may be cleaved under alkaline conditions, comprising the treatment of the leather with an aqueous liquor, containing at least one dye (F), at a pH value of at least 7.5. The invention further relates to novel dyes which are particularly suitable for the reactive colouring of leather.

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23-12-2004 дата публикации

Anionische Azofarbstoffe und ihre Metallkomplexe für die Lederfärbung

Номер: DE0010325808A1
Принадлежит:

Die vorliegende Erfindung betrifft die Verwendung anionischer Azofarbstoffe, die wenigstens eine saure Gruppe in Form eines Salzes und wenigstens zwei Azogruppen aufweisen, sowie die Verwendung ihrer anionischen Metallkomplexe zur Färbung von Leder.

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24-10-2006 дата публикации

METHOD FOR THE REACTIVE COLOURING OF LEATHER

Номер: KR1020060110308A
Принадлежит:

The invention relates to a method for the colouring of leather with at least one dye (F), comprising at least one group of formula (A) which may be activated under alkaline conditions, where ---- represents the bond to the remainder of the dye molecule, X is an electron-withdrawing group, k = 1, 2, or 3, n = 0 or 1 and B is a CH=CH, or CH-CH-Q group, where Q is a group which may be cleaved under alkaline conditions, comprising the treatment of the leather with an aqueous liquor, containing at least one dye (F), at a pH value of at least 7.5. The invention further relates to novel dyes which are particularly suitable for the reactive colouring of leather.222 © KIPO & WIPO 2007 ...

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22-09-2005 дата публикации

Verfahren zur Aufarbeitung von ß-Sulfatoethylsulfonylanilin-2-sulfonsäure

Номер: DE102004010950A1
Принадлежит:

Verfahren zur Aufarbeitung von beta-Sulfatoethylsulfonylanilin-2-sulfonsäure, das als Lösung in wässriger Schwefelsäure vorliegt, wobei man DOLLAR A in einem ersten Schritt die beta-Sulfatoethylsulfonylanilin-2-sulfonsäure durch Zugabe von (Erd)alkali- und/oder Ammoniumsalzen ausfällt, abtrennt und in Wasser löst oder die Schwefelsäure durch Zugabe von Calciumsalzen ausfällt, das entstehende Calciumsulfat gegebenenfalls abtrennt und DOLLAR A in einem zweiten Schritt die entstandene Lösung durch Zugabe von (Erd)alkali- oder Ammoniumhydroxid, -carbonat, -hydrogencarbonat und/oder -acetat auf einen pH-Wert zwischen 1 und 5 einstellt, noch vorhandenes Calciumsulfat abtrennt und die beta-Sulfatoethylsulfonylanilin-2-sulfonsäure aus der Lösung isoliert, und die so herstellbare beta-Sulfatoethylsulfonylanilin-2-sulfonsäure.

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17-05-2006 дата публикации

ADDITIVE CONCENTRATES FOR FUELS AND LUBRICANTS THAT AT LEAST CONTAIN A DERIVATIVE OF ANTRAQUINONA LIKE MARKING SUBSTANCE

Номер: AR0000048665A1
Принадлежит:

La invencion se refiere a concentrados de aditivos para carburantes y lubricantes, que contienen por lo menos un derivado de antraquinona como sustancia marcadora, al uso de tales concentrados para la aditivacion de aceites minerales, así como a aceites minerales, que contienen tales concentrados.

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02-06-2005 дата публикации

Dyeing leather with dyes containing vinylsulfonyl, or precursor, reactive groups, useful e.g. for making gloves or clothing, by treatment with dye liquor at pH at least 7.5

Номер: DE0010350368A1
Принадлежит:

Method for dyeing leather with at least one dye (I) that contains a group (A) activatable under alkaline conditions, comprises treating it with an aqueous liquor containing (I) at pH at least 7.5. Method for dyeing leather with at least one dye (I) that contains a group of formula (A) activatable under alkaline conditions, comprises treating it with an aqueous liquor containing (I) at pH at least 7.5. [Image] X : electron-withdrawing substituent; k : 1-3; n : 0 or 1; B : vinyl or CH 2CH 2Q; Q : group that is cleaved under alkaline conditions; the dotted line indicates the bond to the dye molecule. Independent claims are also included for the following: (1) new dyes of formulae (IIa), (IIIa), (IVa) and (IIb); and (2) leather dyed by the new method. Dk 1>-N=N-Napht 1>-N=N-Tk 1>-[N=N-Kk 1>] k-N=N-Dk 2> (IIa) Dk 1>-N=N-Napht 1>-N=N-Tk 1>-N=N-Kk 1>-N=N-Tk 2>-N=N-Napht 2>-N=N-Dk 2> (IIIa) Dk 1>-N=N-Napht 1>-N=N-Tk 1>-N=N-Napht 2>-N=N-Dk 2> (IVa) A-N=N-Napht 1>-N=N-Tk 1>-N=N-Kk 1>-[N=N-Dk 2>] ...

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18-02-2009 дата публикации

Keratin-binding effector molecules containing reactive dyes

Номер: CN0101370822A
Принадлежит:

The invention relates to keratin-binding effector molecules containing reactive dyes and keratin-binding polypeptides as well as the use thereof in hair coloring preparations. The invention also relates to a method for dyeing hair.

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26-10-2006 дата публикации

Textile dyeing involves use at pH above 7.5 of a liquor containing a dye having an alkali-activatable vinyl- or ethyl-sulfonyl group

Номер: DE102005018933A1
Принадлежит:

Dyeing of textiles involves treatment with a liquor of pH >=7.5 containing a dye (F) with, per molecule, an alkali-activatable vinyl- or ethyl-sulfonyl group of specific formula. Dyeing of textiles involves treatment with a liquor of pH >=7.5 containing a dye (F) with, per molecule, an alkali-activatable vinyl- or ethyl-sulfonyl group of formula (A). X : an electron withdrawing group; k : 1, 2 or 3; n : 0 or 1; B : a group of formula CH:CH2 or CH2CH2Q; and Q : an alkali-splittable group [Image].

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28-06-2007 дата публикации

Power and lubricant additive concentrates containing at least one anthrachinone derivative as a marking substance

Номер: US2007149415A1
Принадлежит:

The invention relates to fuel and lubricant additive concentrates which comprise at least one anthraquinone derivative as a marker, to the use of such concentrates for additizing mineral oils and also for mineral oils which comprise such concentrates.

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08-12-2011 дата публикации

METHOD FOR REACTIVE COLORING OF LEATHER

Номер: JP2011246730A
Принадлежит:

PROBLEM TO BE SOLVED: To provide a method which is suitable for executing coloring of leather at high fastness, especially, at high humidity, sweat and friction fastness and also at high migration fastness even when a depth of a shade (color intensity) is middle and high. SOLUTION: The method is for the coloring of the leather with at least one dye F having at least one group represented by formula A [wherein, a broken-line represents a bond to a dye molecule, X is an electron-withdrawing group, k is 1, 2 or 3, n is 0 or 1, and B is CH=CH2 group or CH2-CH2-Q group, wherein Q is a group capable of being eliminated under an alkaline condition] capable of being activated under an alkaline condition, and the method comprises treatment of the leather with an aqueous float containing at least one dye F in the leather at pH of at least 7.5 or more. Further, novel dyes particularly suitable for reactive coloring of the leather are related. COPYRIGHT: (C)2012,JPO&INPIT ...

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15-12-2006 дата публикации

METHOD FOR PROCESSING ß-SULPHATOETHYLSULPHONYLANILINE-2-SULPHONIC ACID

Номер: KR1020060129524A
Автор: SOMOGYI LASZLO
Принадлежит:

The invention relates to a method for processing ß-sulphatoethylsulphonylaniline-2-sulphonic acid which is present as a solution in an aqueous sulphuric acid. In a first step, the ß-sulphatoethylsulphonylaniline-2-sulphonic acid is precipitated, separated and dissolved in water by adding (earth)alkali and/or ammonium salts, or the sulphuric acid is precipitated by adding calcium salts, the calcium sulphate thus arising is optionally separated, and in a second step, the solution thus arising is adjusted to a pH value of between 1 and 5 by adding (earth)alkali or ammonium hydroxide, carbonate, hydrogen carbonate and/or acetate, the existing calcium sulphate is separated, and the ß-sulphatoethylsulphonylaniline-2-sulphonic acid is isolated from the solution and the thus produced ß-sulphatoethylsulphonylaniline-2- sulphonic acid. © KIPO & WIPO 2007 ...

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02-03-2006 дата публикации

Dyeing leather with dyes containing vinylsulfonyl, or precursor, reactive groups, useful e.g. for making gloves or clothing, by treatment with dye liquor at pH at least 7.5

Номер: DE102004041187A1
Принадлежит: BASF SE

Method for dyeing leather with at least one dye (I) that contains a group (A) activatable under alkaline conditions, comprises treating it with an aqueous liquor containing (I) at pH at least 7.5. Method for dyeing leather with at least one dye (I) that contains a group of formula (A) activatable under alkaline conditions, comprises treating it with an aqueous liquor containing (I) at pH at least 7.5. [Image] X : electron-withdrawing substituent; k : 1-3; n : 0 or 1; B : vinyl or CH 2CH 2Q; Q : group that is cleaved under alkaline conditions; the dotted line indicates the bond to the dye molecule. Independent claims are also included for the following: (1) new dyes of formulae (IIa), (IIIa), (IVa) and (IIb); and (2) leather dyed by the new method. Dk 1>-N=N-Napht 1>-N=N-Tk 1>-[N=N-Kk 1>] k-N=N-Dk 2> (IIa) Dk 1>-N=N-Napht 1>-N=N-Tk 1>-N=N-Kk 1>-N=N-Tk 2>-N=N-Napht 2>-N=N-Dk 2> (IIIa) Dk 1>-N=N-Napht 1>-N=N-Tk 1>-N=N-Napht 2>-N=N-Dk 2> (IVa) A-N=N-Napht 1>-N=N-Tk 1>-N=N-Kk 1>-[N=N-Dk 2>] n (IIb). k and n : 0 or 1; Dk 1> and Dk 2>residue of an aromatic amine or group (A), provided at least one is A; Kk 1>residue of specified couplers; Tk 1> and Tk 2>divalent aromatic residues. The full definitions are given in the DEFINITIONS (Full Definitions) Field.

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05-01-2006 дата публикации

Verfahren zum Reaktiv-Färben von Leder

Номер: DE102004027812A1
Принадлежит:

Die vorliegende Erfindung betrifft ein Verfahren zum Färben von Leder mit wenigstens einem Farbstoff F, der wenigstens eine unter alkalischen Bedingungen aktivierbare Gruppe der Formel A; DOLLAR F1 aufweist, worin DOLLAR A ---- die Bindung zum Rest des Farbstoffmoleküls darstellt, DOLLAR A X für Halogen, C¶1¶-C¶4¶-Alkyl oder C¶1¶-C¶4¶-Alkoxy steht, DOLLAR A k für 0, 1, 2 oder 3 steht, DOLLAR A n 0 oder 1 bedeutet und DOLLAR A B für eine Gruppe CH=CH¶2¶ oder eine Gruppe CH¶2¶-CH¶2¶-Q steht, worin Q eine unter alkalischen Bedingungen abspaltbare Gruppe steht, DOLLAR A umfassend die Behandlung des Leders mit einer wässrigen Flotte, enthaltend wenigstens einen Farbstoff F, bei einem pH-Wert von wenigstens 8, in der Regel im Bereich von 8 bis 11.

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28-07-2005 дата публикации

Kraft- und Schmierstoffadditiv-Konzentrate, enthaltend mindestens ein Anthrachinon-derivat als Markierungsstoff

Номер: DE0010361504A1
Принадлежит:

Die Erfindung betrifft Kraft- und Schmierstoffadditiv-Konzentrate, welche mindestens ein Anthrachinonderivat als Markierungsstoff enthalten, die Verwendung solcher Konzentrate zur Additivierung von Mineralölen sowie Mineralöle, welche solche Konzentrate enthalten.

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09-07-2014 дата публикации

Monoazo dyes for dyeing leather

Номер: CN0102165018B
Принадлежит:

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08-12-2006 дата публикации

POWER AND LUBRICANT ADDITIVE CONCENTRATES CONTAINING AT LEAST ONE ANTHRACHINONE DERIVATIVE AS A MARKING SUBSTANCE

Номер: KR1020060126710A
Принадлежит:

The invention relates to power and lubricant additive concentrates which contain at least one anthrachinone derivative as a marking substance, to the use of said types of concentrates for adding mineral oils in addition to mineral oils which contain said concentrates. © KIPO & WIPO 2007 ...

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20-04-2006 дата публикации

Verfahren zur Herstellung von Leder und dafür geeignete Verbindungen

Номер: DE102004050879A1
Принадлежит:

Verfahren zur Herstellung von Leder durch Kontaktieren von vorbehandelten Tierhäuten mit wenigstens einer Verbindung, die wenigstens eine Gruppe der Formel I aufweist, DOLLAR F1 wobei die Variablen wie folgt definiert sind: DOLLAR A Ar·1· ein aromatisches oder heteroaromatisches System, DOLLAR A X ein elektronenziehender Rest oder Wasserstoff, DOLLAR A Y eine bivalente funktionelle Gruppe oder eine Einfachbindung oder eine C¶2¶-C¶20¶-Alkylengruppe, bei der bis zu 3 nicht-benachbarte CH¶2¶-Gruppen durch Sauerstoff oder -NR·3·- ersetzt sein können, DOLLAR A W ein Rest, der von einer Verbindung abgeleitet ist, die auf Leder hydrophobierend, fettend oder gerbend wirkt, DOLLAR A B gewählt aus -C(R·1·)=CH¶2¶ und CHR·1·-CH¶2¶-Q, wobei DOLLAR A R·1· gewählt wird aus Wasserstoff, C¶1¶-C¶10¶-Alkyl und Phenyl und DOLLAR A R·3· gleich oder verschieden, aus Wasserstoff, Phenyl und C¶1¶-C¶10¶-Alkyl, DOLLAR A Q aus unter wässrig-alkalischen Bedingungen abspaltbaren Gruppen.

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13-05-2008 дата публикации

Method for processing beta-sulphatoethylsulphonylaniline-2-sulphonic acid

Номер: US0007371892B2

A process for working up β-sulfatoethylsulfonylaniline-2-sulfonic acid from a solution in aqueous sulfuric acid, comprises a first step of the β-sulfatoethylsulfonylaniline-2-sulfonic acid being precipitated by addition of alkali or alkaline earth metal and/or ammonium salts, separated off and dissolved or the sulfuric acid being precipitated by addition of calcium salts and the resulting calcium sulfate being separated off if appropriate, and a second step of the resultant solution being adjusted to a pH between 1 and 5 by addition of alkali or alkaline earth metal or ammonium hydroxide, carbonate, bicarbonate and/or acetate, any calcium sulfate still present being separated off and the β-sulfatoethylsulfonylaniline-2-sulfonic acid being isolated from the solution.

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26-02-2013 дата публикации

Method for the reactive coloration of leather

Номер: US0008382857B2
Принадлежит: BASF SE, SOMOGYI LASZLO, ZAMPONI ANDREA, KIESOW HARALD

The present invention relates to a process for dyeing leather with at least one dye F which has at least one alkaline-activable group of the formula A; where - - - - denotes the bond to the rest of the dye molecule; X is halogen, C1-C4-alkyl or C1-C4-alkoxy, k is 0, 1, 2 or 3, n is 0 or 1 and B is a CHCH2 group or a CH2CH2-Q group, where Q is an alkaline-detachable group, which comprises treating the leather with an aqueous float comprising at least one dye F at a pH of not less than 8, generally in the region of 8 to 11.

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24-08-2011 дата публикации

Monoazo dyes for dyeing leather

Номер: CN0102165018A
Принадлежит:

The invention relates to monoazo dyes of general formula I and the salts thereof. Said monoazo dyes of general formula I are particularly suitable for dyeing leather and impart a yellow tint with excellent fastness to leather dyed with said dye. In formula I, n represents 0, 1, or 2; R1 represents hydrogen, C1 -C4 alkyl, COOH, C1-C4 alkoxycarbonyl, C1-C4 alkoxy, CN, or halogen; R2 represents a -CH=CH2 group or CH2-CH2-Q group in which Q represents a group that can be separated in alkaline conditions; naphth represents a group of formula X or Y, in which m represents 0, 1, or 2, and * means the link to the nitrogen of the pyrazole ring.

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28-12-2005 дата публикации

PROCEDURE FOR THE REACTIVE LEATHER HAD ONE

Номер: AR0000046820A1
Принадлежит:

Procedimiento para el tenido de cuero con por lo menos un colorante F, el cual presenta por lo menos un grupo activable bajo condiciones alcalinas de la fórmula (1), en donde: "línea punteada" representa la ligadura al resto de la molécula del colorante; X representa un resto que atrae electrones; K representa 1, 2 ó 3; n significa 0 ó 1; y B representa un grupo CH=CH2 o un grupo CH2-CH2-Q, en donde Q representa un grupo separable bajo condiciones alcalinas, que comprende el tratamiento del cuero con un bano acuoso que contiene por lo menos un colorante F, a un valor de pH de por lo menos 7,5. El presente se refiere también a nuevos colorantes que son especialmente adecuados para el tenido reactivo de cuero.

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15-02-2007 дата публикации

Anionic azo dyes and the metal complexes thereof ofr colouring leather

Номер: US2007033749A1
Принадлежит:

The present invention relates to the use of anionic azo dyes which have at least one acidic group in the form of its salt and at least 2 azo groups and also to the use of their anionic metal complexes for dyeing leather.

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15-02-2007 дата публикации

Method for the reactive coloring of leather

Номер: US2007033746A1
Принадлежит:

The present invention relates to a process for dyeing leather with at least one dye F which has at least one alkaline-activable group of the formula A; where - - - - denotes the bond to the rest of the dye molecule; X is an electron-attracting radical, k is 1, 2 or 3, n is 0 or 1 and B is a CH-CH2 group or a CH2-CH2-Q group, where Q is an alkaline-detachable group, which comprises treating the leather with an aqueous float comprising at least one dye F at a pH of not less than 7.5. The present invention also relates to novel dyes which are particularly useful for reactive dyeing of leather.

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06-05-2009 дата публикации

Method for processing beta-sulphatoethylsulphonylaniline-2-sulphonic acid

Номер: CN0100484917C
Принадлежит:

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16-10-2005 дата публикации

Workup of -sulfatoethylsulfonylaniline-2-sulfonic acid

Номер: TW0200533639A
Принадлежит:

A process for working up -sulfatoethylsulfonylaniline-2-sulfonic acid from a solution in aqueous sulfuric acid, comprises a first step of the -sulfatoethylsulfonylaniline-2-sulfonic acid being precipitated by addition of alkali or alkaline earth metal and/or ammonium salts, separated off and dissolved or the sulfuric acid being precipitated by addition of calcium salts and the resulting calcium sulfate being separated off if appropriate, and a second step of the resultant solution being adjusted to a pH between 1 and 5 by addition of alkali or alkaline earth metal or ammonium hydroxide, carbonate, bicarbonate and/or acetate, any calcium sulfate still present being separated off and the -sulfatoethylsulfonylaniline-2-sulfonic acid being isolated from the solution.

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01-06-2010 дата публикации

Workup of -sulfatoethylsulfonylaniline-2-sulfonic acid

Номер: TWI325418B
Принадлежит: BASF AG, BASF AKTIENGESELLSCHAFT

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01-05-2006 дата публикации

Reactive dyeing of leather

Номер: TW0200613610A
Принадлежит:

The present invention relates to a process for dyeing leather with at least one dye F which has at least one alkaline-activable group of the formula A; where denotes the bond to the rest of the dye molecule; X is halogen, C1-C4-alkyl or C1-C4-alkoxy, k is 0, 1, 2 or 3, n is 0 or 1 and B is a CH=CH2 group or a CH2-CH2-Q group, where Q is an alkaline-detachable group, which comprises treating the leather with an aqueous float comprising at least one dye F at a pH of not less than 8, generally in the region of 8 to 11.

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12-02-2013 дата публикации

Method for the reactive coloring of leather

Номер: US0008372161B2

The present invention relates to a process for dyeing leather with at least one dye F which has at least one alkaline-activable group of the formula A; where - - - - denotes the bond to the rest of the dye molecule; X is an electron-attracting radical, k is 1, 2 or 3, n is 0 or 1 and B is a CHCH2 group or a CH2CH2-Q group, where Q is an alkaline-detachable group, which comprises treating the leather with an aqueous float comprising at least one dye F at a pH of not less than 7.5. The present invention also relates to novel dyes which are particularly useful for reactive dyeing of leather.

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26-07-2007 дата публикации

Method for processing beta-sulphatoethylsulphonylaniline-2-sulphonic acid

Номер: US2007173661A1
Автор: SOMOGYI LASZLO
Принадлежит:

A process for working up beta-sulfatoethylsulfonylaniline-2-sulfonic acid from a solution in aqueous sulfuric acid, comprises a first step of the beta-sulfatoethylsulfonylaniline-2-sulfonic acid being precipitated by addition of alkali or alkaline earth metal and/or ammonium salts, separated off and dissolved or the sulfuric acid being precipitated by addition of calcium salts and the resulting calcium sulfate being separated off if appropriate, and a second step of the resultant solution being adjusted to a pH between 1 and 5 by addition of alkali or alkaline earth metal or ammonium hydroxide, carbonate, bicarbonate and/or acetate, any calcium sulfate still present being separated off and the beta-sulfatoethylsulfonylaniline-2-sulfonic acid being isolated from the solution.

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06-05-2005 дата публикации

Method for the reactive colouring of leather

Номер: WO2005040490A1
Принадлежит: BASF AKTIENGESELLSCHAFT

The invention relates to a method for the colouring of leather with at least one dye (F), comprising at least one group of formula (A) which may be activated under alkaline conditions, where ---- represents the bond to the remainder of the dye molecule, X is an electron-withdrawing group, k = 1, 2, or 3, n = 0 or 1 and B is a CH=CH2, or CH2-CH2-Q group, where Q is a group which may be cleaved under alkaline conditions, comprising the treatment of the leather with an aqueous liquor, containing at least one dye (F), at a pH value of at least 7.5. The invention further relates to novel dyes which are particularly suitable for the reactive colouring of leather.

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26-11-2008 дата публикации

Polyurethane foamed materials

Номер: EP1993724A1
Принадлежит: BASF SE

The invention relates to polyurethane foamed materials characterised in that they contain adsorbent agents (i).

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15-05-2012 дата публикации

Polyurethanschaumstoffe

Номер: ATE553843T1
Принадлежит: BASF SE

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15-02-2007 дата публикации

Anionic azo dyes and the metal complexes thereof ofr colouring leather

Номер: US20070033749A1
Принадлежит: BASF SE

The present invention relates to the use of anionic azo dyes which have at least one acidic group in the form of its salt and at least 2 azo groups and also to the use of their anionic metal complexes for dyeing leather.

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Cover fastening and method for carrying out same

Номер: HU178527B
Автор: Laszlo Somogyi
Принадлежит: Epitestudomanyi Intezet

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