Yellow azo dyes for ink jet printing

INK, INK RADIATION RECORDING METHOD AND BIS-AZO CONNECTION

Dye, ink, ink jet recording method, ink sheet, color toner and color filter

PHASE CHANGE INKS CONTAINING DIMERIC AZO PYRIDONE COLORANTS

Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula (see formula I) ...

AZO COMPOUND, AZO PIGMENT, AND DISPERSION, COLORING COMPOSITION AND INK FOR INKJET RECORDING CONTAINING THE AZO COMPOUNDS OR AZO PIGMENTS, INK_TANK FOR INKJET RECORDING METHOD, AND RECORDED PRODUCTS

Disclosed is an azo pigment represented by general formula (1), a tautomer thereof, or a salt or hydrate of the azo pigment or the tautomer. [In general formula (1), R1, R2, R3, Y, Z and G independently represents a hydrogen atom or a substituent; and n represents an integer of 2 to 4; provided that the formula represents a dimer formed via R1, R2, R3, Y, Z or G when n is 2, the formula represents a trimer formed via R1, R2, R3, Y, Z or G when n is 3, and the formula represents a tetramer formed via R1, R2, R3, Y, Z or G when n is 4.] ...

Procedure for the representation of a pickle-coloring Azofarbstoffes

Verfahren zur Darstellung eines neuen wasserlöslichen Disazofarbstoffes.

Verfahren zur Darstellung eines neuen wasserlöslichen Disazofarbstoffes.

Verfahren zur Herstellung eines neuen Disazofarbstoffes

Verfahren zur Herstellung eines neuen Disazofarbstoffes.

Verfahren zur Herstellung von Azoverbindungen

Photographische Schicht für das Silberfarbbleichverfahren

Verfahren zur Herstellung von Azofarbstoffen

Verfahren zur Herstellung von Azofarbstoffen, die frei von wasserlöslichmachenden Gruppen sind

Verfahren zur Herstellung eines neuen Disazofarbstoffes.

Water-sol azo dyes

Water-sol. azo dyes Have the formula I: (A1-N=N)m-1-(A2-N=N)n-1-(A3-N=N)p-1-A4-N=N together with their complexes with heavy metals; (wherein A1 - A4 are carbocyclic aromatic or heterocyclic gps; D is 2-fluorenyl opt. carrying radicals conferring solubility in water; X is OH or -NR1R2, R1 being H or opt. substd. lower alkyl and R2 being H or opt. substd. alkylsulphonyl or aryl-sulphonyl; Y is CH3, COOH, carboxylic ester or amide, opt. substd.; m, n and p are each 1 or 2; the radicals conferring water-solubility are linked to the rings A1 - A4 and/or the fluorenyl radical D in a quantity sufficient to confer solubility in aqs. medium). Prepared by coupling 1 mol. of a diazo deriv. of an amine (II) (A1-N=N)m-1-(A2-N=N)n-1-(A3-N=N)p-1-A4-NH2 (II) with 1 mole of a coupling component III: The dyeings in yellow, orange, red and blue colours are fast to light and wet treatments and to dry-cleaning.

Verfahren zur Herstellung von Azofarbstoffen

Verfahren zur Herstellung von wasserlöslichen Azopyrimidinfarbstoffen

Verfahren zur Herstellung von wasserlöslichen Azopyrimidinfarbstoffen

Bisazo pigments prepn of pyrazolone series - for use in high-molecular organic cpds

Bisazo pigments of formula (I): (in which A1 and A2 are carbocyclic or heterocyclic aromatic groups; X is a bridge member; m and n are 0 or 1; R2 is H or COOH when m is 0 and n is 1, or R2 is H, COOH, carboxylic ester or carbonamide when m is 1 or n is 0) and their metal complexes are used for colouring high-molecular organic materials. (I) are prepd. by coupling 1 mol of H2N-A1-(Xm-A2)n-NH2 with 2 mols. of the corresp. substd. pyrazole cpd.

AZOVERBINDUNGEN, PROCEDURES FOR YOUR PRODUCTION AND YOUR USE AS PIGMENTS.

BASIC AND/OR KATIONI GROUPS ABSTENTION HETERO-CYCLIC CONNECTIONS.

BASIC AZOVERBINDUNGEN.

DISAZO PIGMENTS AND PROCESS FOR THEIR MANUFACUTRE

IMPROVEMENTS RELATING TO WATER-SOLUBLE AZO-PYRIMIDINE DYESTUFFS AND THEIR USE

Dyes for use in printing inks

AZO PIGMENT, METHOD FOR PRODUCING THE SAME, PIGMENT DISPERSION INCLUDING THE SAME, COLORING COMPOSITION AND INK-JET RECORDING INK

PROBLEM TO BE SOLVED: To provide an azo pigment, a pigment dispersion, a coloring composition, an ink-jet recording ink and an azo compound, excellent in chromatic characteristics such as coloring power and hue as well as durability such as light resistance. SOLUTION: The azo pigment represented by general formula (1), a salt thereof, a hydrate and a tautomer thereof are provided. In the general formula (1), X1 and X2 mutually independently represent an electron-accepting group having a Hammett σ-p value of 0.2 or higher; Y1, Y2, R1, R2, G1, G2, P1, P2, Q1 and Q2 mutually independently represent a hydrogen atom or a substituent; G represents a nonmetal atomic group which can compose a 5- or 6-membered heterocycle; W represents a substituent which can be bound to the heterocycle composed by G; and t represents an integer of 0-4. COPYRIGHT: (C)2010,JPO&INPIT ...

ELECTROPHOTOGRAPHIC PLATE

ANTHRAQUINONE-AZO COMPOUNDS, THEIR PREPARATION AND USE

Triazinyl azo dyestuffs and intermediates

... (i) Metal-free compounds of the formula (ii) tautomers thereof, (iii) 1:1 and 1:2 metal complexes of (i) and (ii), (iv) salts of (i), (ii), and (iii), and (v) mixtures of (i), (ii), (iii), and (iv), wherein the symbols are as defined in the Specification, are useful as dyes for, for example, polymers and copolymers of acrylonitrile, polyesters modified to contain acid groups, polyamides such as wool, leather, cotton, bast fibers such as hemp, flax, sisal jute, coir and straw, regenerated cellulose, glass fibers and paper (those wherein Ro is other than hydrogen) or as intermediates for the synthesis of dyes.

AZO DYES

The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades.

COLORING COMPOSITION AND AZO COMPOUND

Provided is a coloring composition which is capable of providing images that have excellent light resistance, ozone gas resistance and moisture resistance, is capable of forming images that have excellent color tones, and is capable of sufficiently preventing clogging in an ink supply path. The coloring composition has satisfactory storage stability and is useful for a yellow inkjet recording ink. Also provided is an azo compound. The coloring composition contains at least two colorants, namely a first colorant and a second colorant. The first colorant is a compound represented by general formula (Y), and the second colorant is, for example, the compound (8). The amount (mass%) of the second colorant contained in the composition relative to the amount (mass%) of the first colorant contained in the composition is 0.001-1.0 (inclusive) in terms of mass ratio. (In general formula (Y), each M independently represents a hydrogen atom or a cation; and when one M represents a cation, the cation ...

Bisdiazo dye, ink and electrowetting display

AZO COMPOUNDS, THEIR PREPARATION AND USE

Azo dyes and process for their manufacture

NOVEL PYRIDONE DYES

The invention relates to compounds of formula (I), wherein R0 represents C1-C6-alkyl or CF3; R1 represents sulfo, carboxy, C1-C4-alkylene-sulfo, C1-C4-alkylene-carboxy, CONH2, CONH(C1-C4-alkyl) or CN, R2 represents C1-C18-alkyl, C2-C18-alkenyl, hydroxy-C1-C18-alkyl or -(C1-C6-alkylene-O-)m-R, wherein R represents H, C1-C16-alkyl or hydroxy-C1-C16-alkyl and m is an integer between 1 to 20, R3H, sulfo, carboxy, C1-C6-alkyl or C1-C6-alkoxy, R4H, C1-C6-alkyl or C1-C6-alkoxy, R5OH, OM, C1-C6-alkyl, unsubstituted C6-C10-aryl or C6-C10-aryl substituted by C1-C6-alky|, halogen, e.g., F, Cl, Br, carboxy or sulfo, wherein the compound of formula (I) contains at least one anionic group from the group of sulfo and carboxy with the counter cation M+, wherein M+ represents an alkali metal cation or an organic cation. Compounds of formula (I) are especially suited for use in color filters.

NOVEL DYE IN SALT FORM AND INK COMPOSITION

PURPOSE: To obtain a yellow dye in salt form which is excellent in solubilities in hydrophilic alcoholic solvents and capable of giving an ink compsn. excellent in stability in a dissolved state of the dye even after the lapse of time and fastness of writings by reacting a specific water-soluble dye with a specific amine or basic dye. CONSTITUTION: A water-soluble dye of formula I (M is H or an alkali metal) is reacted with a 6-20C amine or a basic dye to obtain a dye in salt form having a structure of formula II (Ka+ is a 6-20C amine cation or a basic dye cation; and (n) is a no. of 1 to 4 indicative of the no. of Ka+ ions). The resulting vivid yellow dye in salt form is excellent in solubilities in hydrophilic alcoholic solvents such as alcohols and glycols and capable of giving an ink compsn. excellent in stability in a dissolved state of the dye even after the lapse of time and fastness (light resistance and water resistance) of writings. COPYRIGHT: (C)1993,JPO&Japio ...

INK, INK SET AND PROCESS FOR INK-JET RECORDING

PROBLEM TO BE SOLVED: To provide an ink for ink-jet recording which shows an excellent light fastness, inhibits generation of blur and can form an ink-jet image with a high quality, an ink set for ink-jet recording and an ink-jet recording process using the ink or the ink set. SOLUTION: The ink for ink-jet recording contains a water-soluble dye, water and a water-soluble organic solvent. The ink contains 5-50 mass% water- soluble organic solvent having a flash point of 95-180°C. COPYRIGHT: (C)2003,JPO ...

СПОСОБ ПРОИЗВОДСТВА ПИГМЕНТА ОРАНЖЕВОГО Ж

Изобретение относится к получению пигментов, а именно пигмента оранжевого Ж, находящего применение в полиграфической, лакокрасочной, резиновой и текстильной промышленностях. Описывается способ получения пигмента оранжевого Ж, включающий приготовление водной суспензии 3,3′-дихлорбензидина в присутствии мицеллярного раствора серебра с размером частиц 3-12 нм в химически чистом изооктановом растворителе, диазотирование полученной суспензии 3,3′-дихлорбензидина в присутствии порошка наночастиц железа с размером частиц 50 нм с последующей фильтрацией полученного раствора диазосоединения в присутствии порошка наночастиц железа с размером частиц 15-50 нм с получением очищенного раствора диазосоединения, приготовление раствора натриевой соли 1-фенил-3-метил-5-пиразолона в присутствии порошка наночастиц сплава никеля с хромом с размером частиц 15-50 нм и азосочетание раствора диазосоединения и раствора натриевой соли 1-фенил-3-метил-5-пиразолона в присутствии смеси мицеллярного раствора меди 10- ...

TRIAZINVERBINDUNGEN, IHRE HERSTELLUNG UND IHRE VERWENDUNG

Disazo pigments containing benzopyrone residues and their manufacture and use

Polyvinyl compounds, e.g. polyvinyl chloride and polyvinyl acetate are coloured in greenish-yellow to orange shades with disazo pigment dyes of formula wherein A1, A1, B1 and B1 are aryl residues and the benzene nuclei C may contain further substituents. In an example a mixture of polyvinyl chloride, dioctyl phthalate and the dye of formula is rolled to give an orange foil.ALSO:The invention comprises disazo dyes free from water-solubilizing groups and of formula or wherein A1, A1, B1 and B1 are aryl residues and the benzene nuclei C may contain further substituents. The dyes are prepared by (a) condensing 1 mole of an aryl diamine free from water-solubilizing groups with 2 moles of a halide of a monocarboxylic acid of formula or (b) condensing 2 mols. of an aryl monoamine free from water-solubilizing groups with 1 mole of a dihalide of a dicarboxylic ...

Azo Dyes

... 1,156,496. Azo dyes. KODAK Ltd. 22 July, 1966 [23 July, 1965], No. 54237/68. Divided out of 1,156,495. Heading C4P. The invention comprises monazo and diazo dyes prepared by coupling in acid solution a diazotized aryl amine or pyrazole diamine with a compound of the formula where R is alkylene and R 1 is alkyl or aryl.

Water-insoluble azo dyes, their manufacture and use

PROCESS FOR COLOURING FIBRE FORMING POLYAMIDES IN THE MELT WITH AZO PIGMENTS

The invention relates to a process for colouring polyamides in the melt with azo pigments of the formula wherein A is the radical of a diazo or tetraazo component, R1, R2 and R3 are hydrogen atoms or alkyl, cycloalkyl, phenylalkyl or aryl radicals, and n is 1 or 2. Articles coloured with the pigments have level, strong yellow shades of excellent fastness to light, wet processing, rubbing and thermofixation.

DISAZOPIGMENTS

DISAZOPIGMENTS Disazopigments of the formula wherein A denotes a direct bond or an aliphatic, cycloaliphatic, aromatic or heterocyclic radical, B deno'es an aromatic radical, R1 denotes a H atom, an alkyl group which contains 1-4 C atoms and which is optionally substituted by a phenyl radical, or an aryl radical, R2 denotes a H atom, an alkyl group containing 1-4 C atoms, a cyano or carbamoyl group, an alkoxycarbo-nyl or alkylcarbamoyl group containing 2-6 C atoms, or a phenyl, benzoyl or phenylcarbamoyl group which is optionally substituted in the phenyl radical by halogen atoms or alkyl or alkoxy groups containing 1-4 C atoms, R3 denotes a H atom9 an alkyl group containing 1-4 C atoms, a cycloalkyl group containing 5-6 C atoms, a cyano, hydroxyl or carbamoyl group, an alkoxycarbonyl o. alxylcarbamoyl group containing 2-6 C atoms, or a phenyl or phenylcarbamoyl group which is optionally substituted by halogen atoms or alkyl or alkoxy groups containing 1-4 C atoms, and Z denotes an O atom ...

BIS-AZO PIGMENTS AND THEIR PREPARATION

AZO COMPOUNDS, THEIR PREPARATION AND USE

COMPOSES HETEROCYCLIQUES CONTENANT DES GROUPES BASIQUES ET/OU CATIONIQUES, LEUR PREPARATION ET LEUR UTILISATION COMME COLORANTS

UN COMPOSE QUI DANS L'UNE DES FORMES TAUTOMERES POSSIBLES CORRESPOND A LA FORMULE: (CF DESSIN DANS BOPI) SOUS FORME EXEMPTE DE METAL, OU SOUS FORME DE COMPLEXE METALLIQUE 1:1 OU 1:2, LEQUEL COMPOSE OU COMPLEXE PEUT ETRE SOUS FORME DE SEL OU DE SEL D'ADDITION D'ACIDE, ET LES MELANGES DE CES COMPOSES, DANS LAQUELLE LES SYMBOLES SONT COMME DEFINIS DANS LA DESCRIPTION. CES COMPOSES SONT UTILES COMME COLORANTS OU COMME INTERMEDIAIRES POUR FABRIQUER DES COLORANTS.

Bisazo dyestuffs of the 2,6-diaminopyridine

DISAZO PIGMENTS AND PROCESS FOR THEIR MANUFACUTRE

DISPERSION CONTAINING WATER-INSOLUBLE COLORANT AND PRODUCTION METHOD THEREOF

A water-insoluble colorant dispersion, containing water; a polymer having at least one repeating unit selected from the group of repeating units represented by the following formula (1) or (2); and water-insoluble colorant particles, each of the particles containing at least two kinds of pigments; wherein, R1 represents a hydrogen atom or a substituent; any one of R2 to R5 represents a single bond to bind to W, and the others each independently represent a hydrogen atom or a substituent; J represents CO, COO, CONR10, OCO, or a methylene group, a phenylene group, or C6H4CO; R10 represents a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group; W represents a single bond or a divalent linking group; A1 represents a heterocyclic group; Q1 represents a group of atoms which is necessary for forming a ring together with a carbon atom.

ACID DYES

Process for the mass colouring of polyamide fibres with azo dyestuffs

The invention relates to a process for coloring polyamides in the melt with azo pigments of the formula wherein A is the radical of a diazo or tetraazo component, R1, R2 and R3 are hydrogen atoms or alkyl, cyclo alkyl, phenylalkyl or aryl radicals, and n is 1 or 2. Articles colored with the pigments have level, strong yellow shades of excellent fastness to light, wet processing, rubbing and thermofixation.

ELECTROPHOTOGRAPHIC RECEPTOR

PURPOSE: To enhance sensitivity and durability of an electrophotographic receptor, by adding a specified azo compound to a photosensitive layer. CONSTITUTION: An azo compound contained in a photosensitive layer formed on a conductive substrate is represented by the general formula in which A is 0- phenylene, 0-naphthylene, peri-naphthylene, or the like aromatic divalent hydrocarbon group, or 2,3-pyridin-diyl, 4,5-pyrimidin-diyl, 3,4-pyrazol-diyl, 6,7-indazol- diyl, 5,6-benzimidazol-diyl, 6,7-quinolidin-diyl, or the like heterocyclic divalent group; Ar is an aromatic hydrocarbon group or a heterocyclic group which may combine through a bonding group, such as phenyl, naphthyl, pyrenyl, naphthylene, anthraquinonylene, biphenylene, naphthoylenebenzimidazolyl, or benzimidiazolyl; and n is 1, 2, or 3. COPYRIGHT: (C)1982,JPO&Japio ...

Salzbildender Farbstoff sowie diesen enthaltende Tinte

WASSERUNLÖSLICHE AZOFARBMITTEL, IHRE HERSTELLUNG UND VERWENDUNG.

Yellow-orange azo pigments - for printing pastes, synthetic resin lacquers and plastics

The novel azo pigments are of formula(I): (where D is the residue of a diazo or tetrazo component; n= 1 or 2; X = O or NH; the ring A may be further substd.). Pref. cpds. have the ring A unsubstd., D being derived from halo-anilines, aminobenzene carboxylic acid esters and -amides or from trifluoromethyl aniline or dichlorobenzidine. For colouring printing pastes, lacquers such as acrylate resin-, melamine resin- and polyester resin lacquers, and plastics such as polystyrene, PVC, polyolefins, rubbers and plastics dispersions yellow-orange shades which are partially light fast and bright.

New pyrazolone azo dyestuffs and their production

The invention comprises mono- and poly-azo dyes of the formula: (where R is the radical of a diazotizable or tetrazotisable aromatic amine containing benzene or naphthalene rings, and X, which is in ortho position to the azo bridge, is hydrogen or a metallizable group, or a group convertible to a metallizable group during metallisation, R1 is a phenyl group or a substituted phenyl group, and n is 1 or 2) and their metal complexes with metals of atomic number 24-30 e.g. Cr or Co. The dyes may be made by coupling one mole of a diazonium or tetrazonium compound derived from an aromatic amine containing in ortho position to the amino group or groups an appropriate group X, with 1 or 2 mols of 1-phenyl -3- methylpyrazolone -(4) or its phenyl substituted derivatives, e.g. derivatives in which the phenyl group is substituted by halogen, alkyl, hydroxyalkyl, nitro, amino, carboxy, sulphonic acid, sulphonic acid amide, alkyl sulphone, or aryl sulphone groups. Examples of ...

DISAZO PIGMENT AND PROCESS FOR PREPARING IT

... 1406797 Disazo pigment HOECHST AG 18 Jan 1974 [19 Jan 1973] 02419/74 Heading C4P The disazo pigment of the formula in a form characterized by a specific surface of 12-30 m.2/g., a grain size distribution with a maximum within the range 250-500 nm, and the proportion of grains having a size of from 250 to 500 nm in the total distribution being 35-65 % is prepared by heating the pigment obtained after coupling Specification 441,091 at above 100‹ C. in a solvent which is immiscible with water or is miscible to a maximum of 20 g. per 100 g. of water. Suitable solvents include halogenated aromatic compounds, C 4-8 alcohols, aromatic nitro compounds, aromatic amines, aromatic ethers, esters of aromatic acids and ketones. The solvent may contain water. The pigment is especially suitable for the pigmentation of stove lacquers, plastics and special printing pastes.

INK COMPOSITION AND PHOTOGRAPH PROCEDURE BY INK RADIATION PRINTING

Ink composition, ink for inkjet recording, and inkjet recording method

Provided is an ink composition that can form an image having excellent light resistant properties and ozone resistant properties and that can manifest desired hue. The ink composition contains at least a first coloring material and a second coloring material. The first coloring material is a compound represented by general formula (A-I) set forth in the Specification. The second coloring material is at least one type of compound selected from the compound represented by general formula (B-I) set forth in the Specification and the compound represented by general formula (B-V) set forth in the specification.

BIS-AZO PIGMENTS AND THEIR PREPARATION

COMPOSITION FOR THE DYEING OF KERATINOUS FIBRES INCLUDING/UNDERSTANDING A DIAZO DYE DICATIONIQUE PARTICULAR

Bisazo dyestuffs of the 2,6-diaminopyridine

COMPOSE HETEROCYCLIC CONTAINING BASIC AND/OR CATION GROUPS, THEIR PREPARATION AND THEIR USE AS DYES

Aqueous ink composition for ink-jet recording

An aqueous ink composition for ink-jet recording comprising an aqueous solution of a water-soluble dye of formula (I) and a humectant dissolved in water: wherein R1 and R2 each represent hydrogen, an alkyl group, an alkoxy group, halogen, a carboxyl group or a sulfonic acid group; A represents wherein R3 represents an alkyl group, a phenyl group, a carbamoyl group or a carboxyl group; R4 represents an unsubstituted or substituted phenyl group, an unsubstituted or substituted napthyl group, or an unsubstituted or substituted alkyl group; R5 represents a hydroxyl group or an amino group; R6 represents a hydroxyl group or an unsubstituted or substituted amino group; M represents hydrogen, an alkali metal cation, amine cation or an ammonium ion; m is an integer of 0 or 1; and n is an integer of 1, 2 or 3.

Bisazo, bisazomethine and azo-azomethine compounds derived from 1,4-phenylenediamine sulfonic acid salts

Compounds of formula (I) wherein R is hydrogen or a group M1 and M2 are each independently of the other an alkali metal or alkaline earth metal or aluminum or a group of formula wherein n is 1, 2 or 3, and R1, R2, R3 and R4 are hydrogen or C1-C8alkyl, X1 and X2 are each independently of the other -N= or -CH=, Q1 and Q2 are each independently of the other radicals of formula These compounds have excellent suitability for pigmenting organic material of high molecular weight, preferably polyolefins, and have superior lightfastness.

Conditioning of organic pigments

Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.

TRIAZINYL AZO DYESTUFFS AND INTERMEDIATES

DISAZO PYRIDONE DYES CONTAINING BASIC OR CATIONIC GROUPS

Azo dyestuffs and method for making same

... 1,145,655. Azo dyes containing a thiosulphate group. MARTIN-MARIETTA CORP. 5 April, 1967 [11 April, 1966], No. 15582/67. Addition to 1,083,165. Heading C4P. The invention comprises (a) azo dyestuffs of the formula wherein X is the #portion of an a-unsubstituted #-keto acid or ester; Y is H, halogen, CH 3 , C 2 H 5 , CH 3 O, C 2 H 5 O or the radical of a sulphonamide; Z is H, Na, K, or NH 4 ; R 1 is H, halogen, C 2 H 5 , CH 3 O, C 2 H 5 O or phenoxy; E is a radical of the phenylene or naphthylene series; and in which the SSO 3 Z group is in m or p position to the N attached to the benzene nucleus; (b) 1: 1 Cu, Co, Cr, Ni or Fe, 1: 2 Cr, Co or Ni complexes of azo dyes of the formula in which the NHSO 2 group is located m or p to the azo group, R 2 is a metallizable group o to the azo group, R 3 is H, halogen, CH 3 or CH 3 O in m or p to the azo group, and in which the SSO 3 Z group is in m or p-position to the N attached to the benzene nucleus; (c) a metal complex resulting from ...

DISAZO PIGMENT, PROCESS FOR PREPARING IT AND ITS USE

PHASE CHANGE INKS CONTAINING DIMERIC AZO PYRIDONE COLORANTS

Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula (see formula I) ...

Production of new yellow azo dyes with orange red

Water-soluble mono and bis-azoindole dyes

WATER-SOLUBLE AZO-PYRIMIDINE DYESTUFFS

Pigment dispersion liquid and inkjet ink

Provided are a pigment dispersion liquid including a pigment, a polymer dispersant, and water; and an inkjet ink containing the pigment dispersion liquid. The pigment contains a compound represented by General Formula (1) described in the specification, a tautomer thereof, or a salt of the compound or the tautomer. The polymer dispersant contains a polymer compound which has a repeating unit represented General Formula (2-1) and a repeating unit represented General Formula (2-2) described in the specification, and having a structure represented by General Formula (3) introduced into at least one terminal of a main chain: in General Formula (3), L represents a linking group; R4represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and the symbol * represents a linking bond.

Pigments containing pyrazolo quinazolone radicals

Azo compounds of the general formula см. иллюстрацию в PDF-документе where D is the radical of a diazo component of the aminoanthraquinone or aminophthalimide series, or the radical of a tetraazo component H2 N--D--NH2 having the formula: см. иллюстрацию в PDF-документе where Z is a direct bond, SO2, NH, CO, SO2 NH, CONH, NHCONH or NHCOCONH and the rings B are unsubstituted or substituted by Cl, Br, CH3, NO2 or OCH3 ; wherein said radical D is free from complex-forming hydroxyl and carboxyl groups and from ionic groups, n is 1 or 2, R is hydrogen or an aromatic radical, X is hydroxyl, alkyl, a carboxylic acid ester group, unsubstituted or substituted aryl or acylamino, and the ring A may be substituted but is free from SO3 H groups, are exceptionally suitable for use as pigments, for example for coloring surface coatings, printing inks or plastics.

DISPERSION OF WATER-INSOLUBLE COLORANT AND PRODUCTION METHOD OF THE SAME, RECORDING LIQUID, INK SET, PRINTED MATERIAL, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS USING THE DISPERSION

PROBLEM TO BE SOLVED: To provide a dispersion of a water-insoluble colorant, having extremely fine primary particles of water-insoluble colorant fine particles, having high dispersion stability and storage stability, and capable of giving a printed material with high color density and high definition. SOLUTION: The dispersion of a water-insoluble colorant contains a water-insoluble colorant including at least two colorants, a polymer compound having at least one repeating unit selected from repeating units represented by general formula (1) or (2), and water. In the formulae, R1 represents a hydrogen atom or a substituent; and one of R2 to R5 represents a single bond to bind to W, and the others represent each independently hydrogen or substituent. COPYRIGHT: (C)2011,JPO&INPIT ...

アゾ顔料の製造方法

PROCESS FOR THE MASS COLOURING OF POLYAMIDE FIBRES WITH AZO DYESTUFFS

AZOVERBINDUNGEN

BISAZOFARBSTOFFE DER 2,6-DIAMINOPYRIDINREIHE UND VERFAHREN ZU IHRER HERSTELLUNG

Photographic layers suitable for the silver dyestuff bleaching process

Monoazo dyes of formula R1-N=N-R2, where R1 is a residue of a diazo component having a benzene nucleus bound to the azo group and R2 is a residue of a 5-imino-pyrazoline bound in the 4-position to the azo group and in the 1-position to a benzene or naphthalene ring and disazo dyes of formula where R4 is a naphthalene or benzene residue linked directly to the ring and R3 is the residue of a tetrazo compound, both azo groups being bound to a benzene nucleus in R3, are prepared by coupling imino-pyrazolones of formula with diazotized or tetrazotized amines respectively. Specified monoazo dyes are of formulae ...

BISAZO DYESTUFFS

... 1419208 2 : 6-Diaminopyridines CASSELLA FARBWERKE MAINKUR AG 8 Feb 1974 [10 Feb 1973] 5885/74 Heading C2C [Also in Division C4] 2 : 6 - Diamino - 3 - cyano - 4 - methylpyridine and 2 : 6 - dianilino - 3 - cyano- 4-methyl-pyridine are obtained by reacting 2 : 6 - dichloro - 3 - cyano - 4 - methyl - pyridine with ammonia and aniline respectively.

AZO PIGMENTS

ORGANIC COMPOUNDS

DISAZO PIGMENTS AND PROCESS FOR THEIR PREPARATION

NEW COMPOSE DISAZOIQUES FREE FROM GROUPS SULFO, THEIR PREPARATION AND THEIR USE AS DYES

WATER?SOLUBLE AZO?PYRIMIDINE DYESTUFFS

Method for manufacturing water resistant optically anisotropic film, and image display device

The present invention relates to a method for manufacturing a water resistant optically anisotropic film comprising: a water resistant treatment step of bringing an optically anisotropic film containing an organic dye having an anionic group into contact with a water resistant treatment liquid containing a multivalent metal salt or a compound having two or more nitrogen atoms in a molecule thereof; and a cleaning step of cleaning the optically anisotropic film after the water resistant treatment, using a cleaning liquid containing a hydrophilic organic compound.

Bis-Azo Colorants for Use as Bluing Agents

This invention relates to bis-azo colorants for use as bluing agents, laundry care compositions comprising bis-azo colorants that may serve as bluing agents, processes for making such bluing agents and laundry care compositions and methods of using the same. The bluing agents are generally comprised of at least two components: at least one chromophore component and at least one polymeric component. These bluing agents are advantageous in providing a whitening effect to fabrics, while not building up over time and causing undesirable blue discoloration to the treated fabrics. 2. The bluing agent of claim 1 , wherein the bluing agent comprises a polyoxyalkylene chain having from 2 to about 30 repeating units.3. The bluing agent of claim 2 , wherein the bluing agent comprises a polyoxyalkylene chain having from 2 to about 20 repeating units.4. The bluing agent of claim 3 , wherein the bluing agent comprises a polyoxyalkylene chain having from 2 to about 10 repeating units.5. The bluing agent of claim 4 , wherein the bluing agent comprises a polyoxyalkylene chain having from about 4 to about 6 repeating units.6. The bluing agent of claim 1 , wherein the bluing agent comprises an alkoxylated bis-azo polymeric colorant.7. The bluing agent of claim 1 , wherein the bluing agent's chromophore exhibits an absorbance spectrum maximum in water of from about 520 nanometers to about 640 nanometers.8. The bluing agent of claim 1 , wherein the bluing agent's chromophore exhibits an absorbance spectrum maximum in water of from about 560 nanometers to about 610 nanometers.9. The bluing agent of claim 1 , wherein the bluing agent exhibits an absolute hue angle in the range of 265° to 310°.10. The bluing agent of claim 9 , wherein the bluing agent exhibits an absolute hue angle in the range of 273° to 287°.12. The bluing agent of claim 11 , wherein Ris alkoxy and Ris alkyl.14. The bluing agent of claim 13 , wherein the bluing agent comprises a polyoxyalkylene chain having from 2 to ...

AZO DYES

The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades. 8. The compound of claim 1 , wherein in the sulfonic group with the meaning —SOM claim 1 , M is a cation claim 1 , preferably M is hydrogen claim 1 , alkaline metal claim 1 , earth alkaline metal claim 1 , ammonium claim 1 , or mono- claim 1 , di- claim 1 , tri- or tetra-substituted ammonium claim 1 , in particular M is mono-C-alkyl- claim 1 , di-C-alkyl- claim 1 , tri-C-alkyl- claim 1 , tetra-C-alkylammonium claim 1 , mono-C-hydroxyalkyl- claim 1 , di-C-hydroxyalkyl- claim 1 , tri-C-hydroxyalkyl- claim 1 , tetra-C-hydroxyalkyl-ammonium claim 1 , or benzyltri-C-hydroxyalkylammonium.10. Use of a compound of formula (1) according to claim 1 , for dyeing or printing materials.11. The use according to claim 10 , wherein the materials used contain cellulose and/or polyamide claim 10 , in particular cellulose.12. The use according to claim 10 , wherein the material used is paper or board.13. The use according to claim 10 , wherein the material used is a fiber-containing or fibrous material.14. A process for dyeing or printing materials claim 1 , wherein the material is brought into contact with a compound of formula (1) according to .15. A product or paper obtainable by a process according to . The invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing materials, in particular organic or fiber-containing materials, to produce materials with brownish shades.In order to produce papers with a brown shade, it is known to dye paper with mixtures of different dyes. For example, WO-A 2007/057370 is directed to liquid formulations containing the direct dyes C.I. Direct Brown 44 and Direct Yellow 11. EP-A-1 258 562 relates to dye mixtures containing two anionic dyes each with a different, defined absorption maximum. WO-A 2004/048478 teaches the production ...

AZO DYES

The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades. 8. The compound of claim 1 , wherein in the sulfonic group with the meaning —SOM claim 1 , M is a cation claim 1 , preferably M is hydrogen claim 1 , alkaline metal claim 1 , earth alkaline metal claim 1 , ammonium claim 1 , or mono- claim 1 , di- claim 1 , tri- or tetra-substituted ammonium claim 1 , in particular M is mono-C-alkyl- claim 1 , di-C-alkyl- claim 1 , tri-C-alkyl- claim 1 , tetra-C-alkyl ammonium claim 1 , mono-C-hydroxyalkyl- claim 1 , di-C-hydroxyalkyl- claim 1 , tri-C-hydroxyalkyl- claim 1 , tetra-C-hydroxyalkyl-ammonium claim 1 , or benzyltri-C-hydroxyalkylammonium.10. Use of a compound of formula (1) according to claim 1 , for dyeing or printing materials.11. The use according to claim 10 , wherein the materials used contain cellulose and/or polyamide claim 10 , in particular cellulose.12. The use according to or claim 10 , wherein the material used is paper or board.13. The use according to claim 10 , wherein the material used is a fiber-containing or fibrous material.14. A process for dyeing or printing materials claim 1 , wherein the material is brought into contact with a compound of formula (1) according to .15. A product or paper obtainable by a process according to . The invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing materials, in particular organic or fiber-containing materials, to produce materials with brownish shades.In order to produce papers with a brown shade, it is known to dye paper with mixtures of different dyes. For example, WO-A 2007/057370 is directed to liquid formulations containing the direct dyes C.I. Direct Brown 44 and Direct Yellow 11. EP-A-1 258 562 relates to dye mixtures containing two anionic dyes each with a different, defined absorption maximum. WO-A 2004/048478 teaches the ...

Novel Pyridone Dyes

The invention relates to compounds of the formula (I): 2. A compound as claimed in claim 1 , wherein the compound of the formula (I) contains at least one sulfo group having the countercation M.3. A compound as claimed in claim 1 , wherein the countercation Mis an organic cation selected from the group consisting of the imidazolium cations claim 1 , alkylguanidinium cations claim 1 , phosphonium cations claim 1 , primary claim 1 , secondary claim 1 , tertiary or quaternary ammonium cations claim 1 , benzotriazolyl cations and pyridinium cations.4. A compound as claimed in claim 1 , wherein{'sup': '0', 'sub': 1', '2, 'Ris C-C-alkyl.'}5. A compound as claimed in claim 1 , wherein{'sup': '1', 'sub': 1', '2', '1', '2', '2, 'Ris (C-C-alkylene)sulfo, CONH(C-C-alkyl) or CONH.'}6. A compound as claimed in claim 1 , wherein{'sup': '2', 'sub': 1', '8', '1', '8', '1', '4', 'm, 'Ris C-C-alkyl, hydroxy-C-C-alkyl or —(C-C-alkylene-O—)—R, wherein'}{'sub': 1', '10, 'R is H or C-C-alkyl, and'}m is a number from 1 to 15.7. A compound as claimed in claim 1 , wherein{'sup': '3', 'sub': 1', '4', '1', '4, 'Ris H, a sulfo group, C-C-alkyl or C-C-alkoxy.'}8. A compound as claimed in claim 1 , wherein{'sup': '4', 'sub': 1', '4', '1', '4, 'Ris H, C-C-alkyl or C-C-alkoxy.'}9. A compound as claimed in claim 1 , wherein{'sup': 5', '−', '+, 'sub': 1', '2, 'Ris OH, OM, C-C-alkyl-, halogen- or sulfo-substituted phenyl or unsubstituted phenyl, where wherein'}{'sup': '+', 'Mis an alkali metal cation, a quaternary ammonium cation or a phosphonium cation.'}12. A solution comprising 0.01% to 45% by weight of one or more compounds of the formula (I) as claimed in claim 1 , dissolved in an organic solvent.13. A binder-containing colorant solution comprising 0.01% to 40% by weight of one or more compounds of the formula (I) as claimed in claim 1 , dissolved in at least one organic solvent claim 1 , at least one polymeric binder and claim 1 , optionally claim 1 , further auxiliaries.14. A colored high ...

Pyridone Dye Composition

The invention relates to a colorant composition comprising at least one compound of the formula (I) and at least one pigment, in which the compounds of the formula (I) have the following formula: 2. The colorant composition as claimed in claim 1 , wherein the at least one compound of the formula (I) contains at least one sulfo group having the countercation M.3. The colorant composition as claimed in claim 1 , wherein the countercation M is an organic ammonium cation or an organic phosphonium cation.4. The colorant composition as claimed in claim 3 , wherein the organic ammonium cation is a primary claim 3 , secondary claim 3 , tertiary or quaternary ammonium cation.5. The colorant composition as claimed in claim 3 , wherein the organic ammonium cation is an imidazolium cation claim 3 , alkylguanidinium cation claim 3 , benzotriazolyl cation or pyridinium cation.6. The colorant composition as claimed in claim 1 , wherein the at least one pigment is an organic pigment.7. The colorant composition as claimed in claim 1 , wherein the at least one organic pigment is selected from the group consisting of anthraquinone pigments claim 1 , laked or unlaked azo pigments claim 1 , anthanthrone pigments claim 1 , benzimidazolone pigments claim 1 , quinacridone pigments claim 1 , quinophthalone pigments claim 1 , diketopyrrolopyrrole pigments claim 1 , dioxazine pigments claim 1 , disazo condensation pigments claim 1 , isoindolinone pigments claim 1 , isoindoline pigments claim 1 , metal complex pigments claim 1 , perinone pigments claim 1 , perylene pigments claim 1 , phthalocyanine pigments and triarylcarbonium pigments.8. The colorant composition as claimed in claim 1 , wherein the mixing ratio of the at least one compound of the formula (I) to the at least one pigment is from 1:99 to 99:1 parts by weight.9. The colorant composition as claimed in claim 1 , wherein the at least one compound of the formula (I) is present in an amount of 1% to 20% by weight claim 1 , based on ...

Achromatic Dye-Based Polarization Element, And Polarization Plate

[Problem] To provide a highly-transmissive polarization plate that can express achromatic white when a polarization element is arranged parallel to an absorbing axis, and achromatic black when the polarization element is arranged orthogonal to the absorbing axis. 1. A polarization element comprising a base material containing an azo compound , wherein the polarization element is characterized in that:a* value and b* value of a hue calculated in accordance with JIS-Z-8729 are such that the absolute values of the a* value and the b* value when the single transmittance is measured are no more than 1, the absolute values of the a* value and the b* value measured with two of the base materials being arranged in parallel with respect to an absorption axis direction are no more than 2, and absolute values of the a* value and the b* value measured with two of the base materials being arranged orthogonally with respect to an absorption axis direction are no more than 2; andthe single transmittance is 35% or above, and a polarization degree is 99% or above.2. The polarization element according to claim 1 , characterized in that the single transmittance is 35% to 40% claim 1 , and the transmittance measured with two base materials being arranged orthogonally with respect to the absorption axis direction is equal to or less than 0.1%.3. The polarization element according to claim 1 , characterized in that:transmittance of individual wavelengths during irradiation with polarized light, an absolutely polarized form of which having a vibration direction orthogonal to the absorption axis direction of a base material polarization element, is such that an absolute value of difference between average transmittance at 550 nm to 600 nm and average transmittance at 400 nm to 460 nm is no more than 4%, and an absolute value of the difference between average transmittance at 600 nm to 670 nm and average transmittance at 550 nm to 600 nm is no more than 3%; andtransmittance of individual ...

PIGMENT DISPERSION LIQUID AND INKJET INK

Provided are a pigment dispersion liquid including a pigment, a polymer dispersant, and water, 2. The pigment dispersion liquid according to claim 1 , wherein the weight-average molecular weight of the polymer dispersant is 5 claim 1 ,000 to 50 claim 1 ,000.3. The pigment dispersion liquid according to claim 1 , wherein the weight-average molecular weight of the polymer dispersant is 7 claim 1 ,000 to 20 claim 1 ,000.4. The pigment dispersion liquid according to claim 1 , wherein the polymer dispersant has an acid value of from 1.6 mmol/g to 2.6 mmol/g.5. The pigment dispersion liquid according to claim 1 , wherein the polymer dispersant has an acid value of from 1.7 mmol/g to 2.2 mmol/g.7. The pigment dispersion liquid according to claim 6 , wherein the pigment is a pigment including a compound represented by Formula (d1) claim 6 , a tautomer thereof claim 6 , or a salt of the compound or the tautomer.8. The pigment dispersion liquid according to claim 1 , wherein Rin General Formula (3) represents a substituted or unsubstituted alkyl group claim 1 , or a substituted or unsubstituted aryl group.9. The pigment dispersion liquid according to claim 1 , wherein L in General Formula (3) represents a substituted or unsubstituted alkylene group claim 1 , a substituted or unsubstituted arylene group claim 1 , or a substituted or unsubstituted divalent heterocyclic group.10. The pigment dispersion liquid according to claim 1 , wherein Rin General Formula (3) represents a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms.11. The pigment dispersion liquid according to claim 1 , wherein L in General Formula (3) represents a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms.12. The pigment dispersion liquid according to claim 1 , wherein claim 1 , in General Formula (2-1) claim 1 , Rrepresents a methyl group claim 1 , and Rrepresents a benzyl group.13. The pigment dispersion liquid according to claim 1 , further comprising at least one ...

Use Of Disazo Compounds For Color Filters

Use of disazo compounds for color filters 2. The method as claimed in claim 1 , wherein the the at least one compound of formula (I) contains at least one sulfo group.3. The method as claimed in claim 1 , wherein{'sup': '0', 'sub': 1', '2, 'Ris C-Calkyl.'}4. The method as claimed in claim 1 , claim 1 , wherein{'sup': '1', 'sub': 1', '4, 'Ris (C-Calkylene)sulfo.'}5. The method as claimed in claim 1 , wherein{'sup': '2', 'sub': 1', '2, 'Ris C-Calkyl.'}6. The method as claimed in claim 1 , wherein{'sup': '3', 'Ris H, a sulfo group, methyl or methoxy.'}7. The method as claimed in claim 1 , wherein{'sup': '4', 'Ris H, methyl or methoxy.'}8. The method as claimed in claim 1 , wherein the position of the SObridge relative to the —N═N— groups is meta or para.9. The method as claimed in claim 1 , wherein{'sup': '0', 'Ris methyl,'}{'sup': '1', 'sub': '2', 'Ris —CH-sulfo,'}{'sup': '2', 'Ris ethyl,'}{'sup': '3', 'Ris H, a sulfo group, methyl or methoxy, and'}{'sup': '4', 'Ris H, methyl or methoxy.'}10. The method as claimed in claim 1 , wherein the color filter is in liquid crystal displays or in OLED displays.12. The millbase as claimed in containing 7 to 17 wt % of a compound of formula (I) as a dispersion in an organic solvent.13. The millbase as claimed in wherein the compound of formula (I) has a primary particle size of less than 60 nm.15. The bindered color dispersion as claimed in containing 1 to 20 wt % of a compound of formula (I).16. The method as claimed in claim 9 , wherein{'sup': '3', 'Ris H.'}17. The method as claimed in claim 9 , wherein{'sup': '4', 'Ris H.'} The present invention relates to the use of certain dyes for color filters as used in liquid crystal displays or in OLED displays for example.Liquid crystal displays (LCDs) are widely used in television sets, PC monitors, cell phones and tablet computers for example.The functioning of LCDs is based on the following principle: Light shines first through one polarizer, then through a liquid crystal layer and ...

Composition Comprising Disazo Dyes And Pigments

The invention relates to a colorant composition comprising at least one compound of the formula (I) 2. The colorant composition as claimed in claim 1 , wherein the compound of the formula (I) contains at least one sulfo group.3. The colorant composition as claimed in claim 1 , wherein{'sup': '0', 'Ris methyl,'}{'sup': '1', 'sub': '2', 'Ris —CH-sulfo,'}{'sup': '2', 'Ris ethyl,'}{'sup': '3', 'Ris H, a sulfo group, methyl, or methoxy, and'}{'sup': '4', 'Ris H, methyl, or methoxy.'}5. The colorant composition as claimed in claim 1 , wherein the at least one organic pigment is selected from the group consisting of anthraquinone pigments claim 1 , laked or unlaked azo pigments claim 1 , anthanthrone pigments claim 1 , benzimidazolone pigments claim 1 , quinacridone pigments claim 1 , quinophthalone pigments claim 1 , diketopyrrolopyrrole pigments claim 1 , dioxazine pigments claim 1 , disazo condensation pigments claim 1 , isoindolinone pigments claim 1 , isoindoline pigments claim 1 , metal complex pigments claim 1 , perinone pigments claim 1 , perylene pigments claim 1 , phthalocyanine pigments claim 1 , and triarylcarbonium pigments.6. The colorant composition as claimed in claim 1 , wherein the at least one organic pigment isa yellow pigment selected from the group consisting of C.I. Pigment Yellow 138, 139, 150, 151, 155, 180, 213 and 214;a red pigment selected from the group consisting of C.I. Pigment Red 122, 149, 166, 168, 177, 242, 254 and 264;an orange pigment selected from the group consisting of C.I. Pigment Orange 34, 36, 38, 43, 62, 64, 68, 71, 72, 73, 74 and 81;a green pigment selected from the group consisting of C.I. Pigment Green 7, 36 and 58;a blue pigment selected from the group consisting of C.I. Pigment Blue 15:6, 15:3, 15:2, 15:1, 15 and 80;a violet pigment from the group of C.I. Pigment Violet 19 and 23 or a mixture of pigments referenced hereinabove.7. The colorant composition as claimed claim 1 , wherein the at least one organic pigment isa ...

電子写真製版用印刷版

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Organic pigment with high transparency and hydrophobicity

우수한 투명성을 갖는 피그멘트 옐로우 180은 1,2-비스(2-아미노페녹시)에탄을 디아조화하고, 수득된 디아조 성분을 5-아세토아세틸아미노벤조이미다졸론과 커플링시키는 것을 포함하는 방법으로 제조되고, 여기서, 커플링 성분으로서 사용된 5-아세토아세틸아미노벤조이미다졸론은 미세한 슬러리 형이다. Pigment Yellow 180, having good transparency, comprises diazotizing 1,2-bis (2-aminophenoxy) ethane and coupling the obtained diazo component with 5-acetoacetylaminobenzoimidazolone 5-acetoacetylaminobenzoimidazolone, prepared as a coupling component, is in the form of a fine slurry. 수중 침강법, 5-아세토아세틸아미노벤조이미다졸론, 1,2-비스(2-아미노페녹시)에탄, 디아조, 유기 안료, 피그멘트 옐로우 180 Underwater sedimentation method, 5-acetoacetylaminobenzoimidazolone, 1,2-bis (2-aminophenoxy) ethane, diazo, organic pigment, pigment yellow 180

Electrophotographic receptor

Electrophotographic sensitive materials containing disazo compounds

The present invention provides electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing one disazo pigment, as an effective ingredient, which is selected from the group consisting of disazo pigments expressed by the following general formulas I, II, III, and IV, ##STR1## [(wherein A is selected from the group consisting of ##STR2## is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar 1 is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran, etc. and their substituents, Ar 2 and Ar 3 are selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R 1 and R 3 are selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R 2 is selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)].

Electrophotographic receptor

Layered electrophotographic plate having tetramethyl benzidene based disazo dye

A layered electrophotographic plate having a triaryl pyrazoline containing charge transport layer and a charge generation layer having a photogenerating dye of the composition: <IMAGE> +TR <IMAGE>

Patent JPS6130265B2

Electrophotographic receptor

Electrophotographic receptor

Electrophotographic receptor

Electrophotographic receptor

Electrophotographic receptor

Electrophotographic photosensitive member comprising disazo compound

An electrophotographic photosensitive member and use thereof, having a photosensitive layer upon or over an electrically conductive substrate, the photosensitive layer comprising an organic photoconductive material selected from the group consisting of the following general formula (1), (2), or (3): ##STR1## wherein A represents a coupler component having aromaticity, ##STR2## wherein, A represents a coupler component having aromaticity, R represents hydrogen, halogen, alkyl, or alkoxy, and n represents an integer of 1 to 4, ##STR3## wherein, A represents a coupler component having aromaticity and R 1 represents a single bond or a substituted or unsubstituted divalent hydrocarbon or heterocyclic residue.

Photosensitive body

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Layered electrophotographic photoconductor containing a hydrazone

A layered electrophotographic photoconductor whose charge generation layer comprises a bisazo pigment selected from the group consisting of the bisazo pigments represented by the following general formula (I) and whose charge transport layer contains a charge transport material selected from the group consisting of the hydrazone compounds represented by the following general formula (2): ##STR1## wherein A represents --C 6 H 4 --Cl(o), --C 6 H 4 --Cl(m), --C 6 H 4 --Br(o), --C 6 H 4 --Br(m), --C 6 H 4 --F(o), --C 6 H 4 --F(m), --C 6 H 4 --F(p), or --C 6 H 4 --I(m), ##STR2## wherein R 1 represents a substituted or non-substituted naphthyl group, a substituted or non-substituted anthryl group, a substituted or non-substituted styryl group, or ##STR3## wherein B represents hydrogen, an alkyl group with one to three carbon atoms, an alkoxy group with one to three carbon atoms, a dialkylamino group, halogen, a nitro group, or a hydroxy group, and n represents an integer of 1 to 5, and when n is 2 or more, B can be different or identical to each other; R 2 represents an alkyl group, a benzyl group; and R 3 represents a phenyl group or a methoxyphenyl group.

Photoconductor for electrophotography

A photoconductor for electrophotography comprises a substrate and a photosensitive layer formed on the substrate and including a novel azo compound. The one type of the azo compound is represented by the following general formula. ##STR1## Wherein Cp stand for a coupler residual group and R 1 stand for one of a hydrogen atom, a lower alkyl group, a lower alkoxy group and carbamoyl group.

Diazo photoconductor for electrophotography

A photoconductor for electrophotography comprises an electroconductive substrate and a photoconductive layer formed on the substrate and including a novel disazo compound as a charge generating layer. The disazo compound is represented by the following general formula: ##STR1## wherein X1 stands for one of an alkyl group, an aryl group and an aromatic heterocyclic group, each of which groups may be or not may be substituted, X 2 stands for one of a hydrogen atom, a cyano group, a carbamoyl group, a carboxyl group, an ester group and an acyl group, each of X 3 and X 4 stands for one of a hydrogen atom, a halogen atom, a nitro group, an alkyl group and an alkoxyl group, both of last two groups may be or not may be substituted, Z stands for one of a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group and an aromatic heterocyclic group, each of which groups may be or not may be substituted and --N═N--D--N--N═N-- stands for a disazo residual group.

Laminate type electrophotographic sensitive body

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Electrophotographic recording material

Geschichteter elektrophotographischer Photoleiter, dessen Ladungserzeugungsschicht ein Bisazo-Pigment, ausgewählt aus der Gruppe bestehend aus den Bisazo-Pigmenten der nachfolgenden allgemeinen Formel I, (Formel I) worin A -C ↓6H ↓4-Cl(o), -C ↓6H ↓4-Cl(m), -C ↓6H ↓4-Br(o), -C ↓6H ↓4-Br(m), -C ↓6H ↓4-F(o), -C ↓6H ↓4-F(m), -C ↓6H ↓4-F(p) oder -C ↓6H ↓4-J(m) bedeutet, enthält, und dessen Ladungstransportschicht ein Ladungstransportmaterial, ausgewählt aus der Gruppe bestehend aus den Hydrazon-Verbindungen der nach fol genden allgemeinen Formel II, (Formel II) enthält, worin R ↑1 eine substituierte oder nicht-substituierte Naphthylgruppe, eine substituierte oder nicht-substituierte Anthrylgruppe, eine substituierte oder nicht-substituierte Styrylgruppe, oder die Gruppe der Formel III (Formel III) bedeutet, in welcher B Wasserstoff, eine Alkylgruppe mit 1 bis 3 Kohlenstoffatomen, eine Alkoxygruppe mit 1 bis 3 Kohlenstoffatomen, eine Dialkylaminogruppe, Halogen, eine Nitrogruppe oder eine Hydroxygruppe ist, und der Index n eine ganze Zahl von 1 bis 5 bedeutet, und B in dem Fall, wo der Index n einen Wert von 2 oder größer aufweist, verschieden oder gleich sein kann, R ↑2 eine Alkylgruppe oder eine Benzylgruppe ist, und R ↑3 eine Phenylgruppe oder eine Methoxy phenylgruppe bedeutet. A layered electrophotographic photoconductor, the charge generation layer of which is a bisazo pigment selected from the group consisting of the bisazo pigments of the following general formula I, (formula I) wherein A -C ↓ 6H ↓ 4-Cl (o), -C ↓ 6H ↓ 4-Cl (m), -C ↓ 6H ↓ 4-Br (o), -C ↓ 6H ↓ 4-Br (m), -C ↓ 6H ↓ 4-F (o), -C ↓ 6H ↓ 4- F (m), -C ↓ 6H ↓ 4-F (p) or -C ↓ 6H ↓ 4-J (m) means, and the charge transport layer of which contains a charge transport material selected from the group consisting of the hydrazone compounds according to The following general formula II, (formula II) contains, in which R ↑ 1 is a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthryl group, ...

Patent JPH0480382B2

Layered organic electrophotographic photoconductor element comprising bisazo generating and hydrazone transport layers

A layered electrophotographic photoconductor whose charge generation layer comprises a bisazo pigment selected from the group consisting of the bisazo pigments represented by the following general formula (1) and whose charge transport layer contains a charge transport material selected from the group consisting of the hydrazone compounds represented by the following general formula (2): ##STR1## wherein A represents --C 6 H 4 --Cl(o), --C 6 H 4 --Cl(m), --C 6 H 4 --Br(o), --C 6 H 4 --Br(m), --C 6 H 4 --F(o), --C 6 H 4 --F(m), --C 6 H 4 --F(p), or --C 6 H 4 --I(m); ##STR2## wherein R 1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group or a 2-chloroethyl group; R 2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group; and R 3 represents hydrogen, chloride, bromide, an alkyl group with one to four carbon atoms, an alkoxy group with one to four carbon atoms, a dialkylamino group, or a nitro group.

Composite electrophotographic receptor

Couplers for photogenerating azo pigments

A photogenerating pigment has the formula: ##STR1## wherein A is the residual structure of an aromatic amine, p is an integer 1, 2, 3, 4, etc. depending on the amine structure, m is an integer 0, 1, 2, 3, or 4 and X may be selected from the group including but not limited to F, Cl, Br, NO 2 , CN, OH, NH 2 , OCH 3 , OCH 2 CH 3 , CF 3 , alkyl and aromatic groups.

Electrophotographic sensitive body

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Preparation method of C.I. pigment yellow 180

本发明提供了一种C.I.颜料黄180的制备方法，该方法采用三种颜料在合成过程中复配，重氮化采用三段重氮，5-氨基乙酰基乙酰苯并咪唑酮采用打浆及高压均质，采用磷酸三钠控制pH值的方法，最终制备得到的C.I.颜料黄180粒径均匀、颗粒松软，耐光、耐迁移好，具有较高的着色力及优异的耐晒性、耐热性、耐溶剂性、耐酸性和耐碱性以及加工应用性能。

Electrophotographic receptor

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Azo compound, azo pigment and dispersion containing azo compound or azo pigment, coloring composition, ink for ink jet recording, ink tank for ink jet recording, ink jet recording method, and recorded matter

Electrophotographic receptor

Electrophotographic photoreceptor containing compound containing hindered phenol structure

Electrophotographic photoreceptor, process for producing electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus

장기간의 전위 변동과 단기간의 전위 변동이 함께 억제된 전자 사진 감광체, 상기 전자 사진 감광체를 제조하는 방법, 및 상기 전자 사진 감광체를 갖는 프로세스 카트리지 및 전자 사진 장치를 제공한다. 전자 사진 감광체에 있어서, 중간층이 산성 티타니아 졸 및 유기 수지를 함유하는 중간층용 도포액을 도포하고, 건조시킴으로써 형성된 층이며, 상기 산성 티타니아 졸이 평균 1차 입경 3nm 이상 9nm 이하의 아나타제형 산화티타늄 결정 입자를 함유하는 산성 졸이다. An electrophotographic photosensitive member in which a long-term potential variation and a short-term potential variation are suppressed together, a method of manufacturing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member are provided. In an electrophotographic photosensitive member, an intermediate layer is a layer formed by apply | coating and drying the coating liquid for intermediate | middle layers containing an acidic titania sol and an organic resin, and the said acidic titania sol has an anatase type titanium oxide crystal of an average primary particle diameter of 3 nm or more and 9 nm or less. Acidic sol containing particles.

Electrophotographic sensitive body

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Photo-curable composition including polymerizable compound, polymerization initiator, and dye

The invention provides a photo-curable composition that addresses degradation in dispersibility caused by the use of a pigment, and has good color tone and high light fastness. The photo-curable composition includes: a polymerizable compound; a polymerization initiator; and a dye represented by Formula (1): in which, A 1 , A 2 and A 3 each represent a monovalent group, and Z represents a nitrogen atom, an oxygen atom, a sulfur atom, or a monovalent group-bonded carbon atom, the dye represented by Formula (1) having two azo groups in a molecule thereof.

Electrophotographic sensitive body

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ANTRAKHINONIC DYE DYES

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (51) ÌÏÊ 7 (11) 2004 139 052 (13) A C 09 B 29/01 ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2004139052/04, 27.05.2003 (71) Çà âèòåëü(è): ÖÈÁÀ ÑÏÅØÈÀËÒÈ ÊÅÌÈÊÝËÇ ÕÎËÄÈÍà ÈÍÊ. (CH) (30) Ïðèîðèòåò: 03.06.2002 EP 02405444.7 (43) Äàòà ïóáëèêàöèè çà âêè: 10.10.2005 Áþë. ¹ 28 (86) Çà âêà PCT: EP 03/05562 (27.05.2003) (87) Ïóáëèêàöè PCT: WO 03/102083 (11.12.2003) Àäðåñ äë ïåðåïèñêè: 101000, Ìîñêâà, Ì.Çëàòîóñòèíñêèé ïåð., 10, êâ.15, "ÅÂÐÎÌÀÐÊÏÀÒ", È.À.Âåñåëèöêîé Ôîðìóëà èçîáðåòåíè 1. Àçîêðàñèòåëü ôîðìóëû I, II èëè III R U A 2 0 0 4 1 3 9 0 5 2 A (54) ÀÍÒÐÀÕÈÍÎÍÎÂÛÅ ÀÇÎÊÐÀÑÈÒÅËÈ Ñòðàíèöà: 1 RU 2 0 0 4 1 3 9 0 5 2 (74) Ïàòåíòíûé ïîâåðåííûé: Âåñåëèöêà Èðèíà Àëåêñàíäðîâíà R U (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 11.01.2005 (72) Àâòîð(û): ÖÈÊÀÑ Àòàíàññèîñ (CH), ÊËÅÌÅÍ Àíòóàí (CH), ËÀÓÊ Óðñ (CH) A A 6. Ñïîñîá ïîëó÷åíè àçîêðàñèòåë ôîðìóëû I, II èëè III ïî ï.1, êîòîðûé âêëþ÷àåò äèàçîòèðîâàíèå àíòðàõèíîíîâîãî ñîåäèíåíè ôîðìóëû V, VI èëè VII R U 2 0 0 4 1 3 9 0 5 2 2 0 0 4 1 3 9 0 5 2 ïðè÷åì ãðóïïà ÕÍ ñâ çàíà ñ àëêèëåíîâîé ãðóïïîé, à Õ îáîçíà÷àåò -Î-. 5. Àçîêðàñèòåëü ôîðìóëû Ia ïî ï.1 R U â êîòîðîé êàæäûé èç R1 è R2 íåçàâèñèìî äðóã îò äðóãà îáîçíà÷àåò îäíó èëè íåñêîëüêî äâóõâàëåíòíûõ ãðóïï, âûáðàííûõ èç àëêèëåíà, àðèëåíà, àðàëêèëåíà è öèêëîàëêèëåíà, êîòîðûå ìîãóò ïðåðûâàòüñ -Î-, -S-, -NH-, -NR8-, -COO-, -CONH- èëè -CONR9-; ãäå R8 è R9 îáîçíà÷àþò àëêèë èëè àðèë, Õ îáîçíà÷àåò -Î- èëè -NH-; R3 îáîçíà÷àåò -CN èëè -CONH2; R4 îáîçíà÷àåò ìåòèë èëè òðèôòîðìåòèë; à R5, R6, R7 è R8 êàæäûé íåçàâèñèìî äðóã îò äðóãà îáîçíà÷àåò àòîì âîäîðîäà èëè ãàëîãåíà èëè -CN. 2. Àçîêðàñèòåëü ôîðìóëû I, II èëè III ïî ï.1, ó êîòîðîãî R3 îáîçíà÷àåò -CN, a R4 îáîçíà÷àåò ìåòèë. 3. Àçîêðàñèòåëü ôîðìóëû I, II èëè III ïî ï.1 èëè 2, ó êîòîðîãî R1 è R2 îáîçíà÷àþò Ñ2-Ñ8àëêèëåí, Ñ6-Ñ14àðèëåí èëè Ñ8-Ñ22àðàëêèëåí. 4. Àçîêðàñèòåëü ôîðìóëû I, II èëè III ïî ï.1 èëè 2, ó êîòîðîãî R1 è R2 îáîçíà÷àþò ...

Electrophotographic sensitive body

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Electrophotographic sensitive body

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A kind of plastic cement paratonere PR 38 industrialized preparing process

本发明公开了一种塑胶用颜料红PR‑38的工业化生产方法，它以3，3’‑二氯联苯胺、水与盐酸为原料，依次经成盐反应、重氮化反应、偶合反应及后处理得到塑胶用颜料红PR‑38。本发明反应条件温和，为防止1‑苯基‑3‑羧乙酯基‑5‑吡唑酮在碱性条件下的水解及确保其化清，采用较大的水量（10倍水量）及较低的温度（20℃条件）下添加一定量的碳酸钠（0.5倍）使其化清，生产过程对设备要求低，反应时间短，改性剂较常见，改性剂应用难度较小，得到的产物色彩鲜艳、迁移性好等优点，生产成本低。

Electrophotographic sensitive body

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Yellow anionic disazo dyes

本发明涉及新型的黄色阴离子染料，它们的制备方法，制备它们所需的某些新型中间体以及这些染料在对天然或合成材料，尤其是纸张进行染色的用途。

Yellow anionic disazo dyes

본 발명은 신규한 황색 음이온성 염료, 이의 제조방법, 이를 제조하는 데 필요한 신규한 특정 중간체, 및 천연 또는 합성 물질, 특히 종이를 염색하기 위한 염료의 용도에 관한 것이다. The present invention relates to novel yellow anionic dyes, methods for their preparation, new specific intermediates necessary to prepare them, and the use of natural or synthetic materials, in particular dyes for dyeing paper. 황색 음이온성 염료, 천연 물질, 합성 물질, 종이, 염색, 염료. Yellow anionic dyes, natural materials, synthetics, paper, dyes, dyes.

Coupling agents for azo dyestuffs

These compounds have the tautomeric formula. (in which X is CN; and the other is H or an aromatic radical attached via an azo group, which may contain SO3 group(s); Z is a 5- or 6- atom chain). The products can be coupled with many diaromum salts to produce azo dyestuffs, which can also be used as disperse dyes (if they do not contain solubilising groups) for acetate, nylon or polyester fibres.

Basic azo dyes for acrylonitrile polymers, - paper and cotton

Basic azo dyes which dye/print fibres and filaments fabrics composed completely or partially of acrylonitrile polymerisation products, paper, cotton and other cellulosic materials, and also synthetic polyamides or polyesters modified by acids, uniform blue, red and violet shades without using retarding agents, have formulae: (wherein X is a direct bond or divalent radical; Y is a direct bond, opt. substd. alkylene or an -S-, -O-, -NH-CO-NH- or CH=CH- bridge; R, R1 and R2 are each H or opt. substd. hydrocarbon gp.; the aromatic rings Z1-Z4 may carry other substituents; R1 and R2 may together with the N atom to which they are attached, form a partially or completely satd. heterocycle).

Azo dyes - of the benzimidazole series for natural - and synthetic polyamides

BUS-AZOIC PIGMENTS, THEIR PREPARATION AND THEIR APPLICATIONS

WATER SOLUBLE DISAZOIC COLORANTS

Colorants disazoïques solubles dans l'eau. Ils répondent à la formule :

Hydrophilic textiles dyed with azo dyes of hydroxy-pyridone series - coupled in situ on the fibres (NL070377)

Hydrophilic textiles are dyed with azo dyes of formula D-(N=N-A)n (in which D is the gp. of a diazo or tetrazo component; A is a 6-hydroxy pyrid-2-one gp. coupled in 5-position, the N atom carrying an opt. substd. alkyl gp. with >=5C atoms, or an alkenyl, alkinyl or alkeninyl gp.; n is 1 or 2). Dyeing of hydrophilic textiles by applying an alkaline soln. of 6-hydroxy pyrid-2-one substd. as above and coupling with a diazo or teteazo component is also claimed. Esp. used for dyeing cellulose textiles, or polyester/cellulose blends in ratios 50:50, 67:33 or 80:20. A wide range of shades can be obtained. Certain dyes are readily sublimable, with increased affinity for hydrophobic fibres. In an example, mercerised cotton is impregnated with a hot soln. of 1-(2'-ethyl hexyl) 3-cyan 4-methyl 6-hydroxy pyrid-2-one and dried. A printing paste contg. a diazo or tetrazo component is applied and the fabric dried.

Novel compounds of pyrazolone and process for their preparation.

NEW BASIC AZOIC DYES EXEMPTED FROM SULFO GROUPS AND THEIR PREPARATION

L'invention a pour objet de nouveaux composés azoïques exempts de groupes sulfo et leur préparation. Les composés de l'invention répondent à la formule : The subject of the invention is novel azo compounds free from sulfo groups and their preparation. The compounds of the invention correspond to the formula:

NOVEL SULFO-FREE DISAZOIC COMPOUNDS, THEIR PREPARATION AND THEIR USE AS DYES

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR LAMINATE

L'INVENTION CONCERNE UN PHOTOCONDUCTEUR ELECTROPHOTOGRAPHIQUE STRATIFIE; LE PHOTOCONDUCTEUR EST CONSTITUE D'UNE COUCHE DE PRODUCTION DE CHARGE 22 CONTENANT UN PIGMENT BISAZOIQUE CHOISI PARMI CEUX REPRESENTES PAR LA FORMULE GENERALE 1 SUIVANTE:OU LE SYMBOLE A EST DEFINI ET D'UNE COUCHE DE TRANSPORT DE CHARGE 33 CONTENANT UNE MATIERE DE TRANSPORT DE CHARGE CHOISIE PARMI LES COMPOSES D'HYDRAZONE REPRESENTES PAR LA FORMULE GENERALE 2 SUIVANTE: (CF DESSIN DANS BOPI) OU LES SYMBOLES R, R ET R SONT DEFINIS. THE INVENTION RELATES TO A LAMINATED ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR; THE PHOTOCONDUCTOR CONSISTS OF A CHARGE 22 PRODUCTION LAYER CONTAINING A BISAZOIC PIGMENT CHOSEN FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA 1: WHERE THE SYMBOL A IS DEFINED AND OF A CHARGE 33 TRANSPORT LAYER CONTAINING A TRANSPORT MATERIAL OF LOAD CHOSEN FROM THE HYDRAZONE COMPOUNDS REPRESENTED BY THE FOLLOWING GENERAL FORMULA 2: (CF DRAWING IN BOPI) WHERE THE R, R AND R SYMBOLS ARE DEFINED.

HETEROCYCLIC COMPOUNDS, THEIR OBTAINING AND THEIR APPLICATION TO THE PRODUCTION OF NITROGEN PIGMENTS

L'invention décrit l'obtention et les applications de copulants hétérocycliques pour la production de pigments azoîques. The invention describes the production and applications of heterocyclic couplers for the production of azo pigments.

DISAZOIC COMPOUNDS, THEIR PREPARATION AND THEIR USE AS PIGMENTS

New disazo dyes, their preparation and? Oi

NOVEL AZO COMPOUNDS FREE OF SULFO GROUPS, THEIR PREPARATION AND THEIR USE AS DYES

Manufacturing process for new dye-azo materials

Azo pigment continuous synthesis micro mixer and continuous preparation method thereof

本发明公开了一种连续化微混合装置，其特征在于，所述连续化为混合装置为“T”型结构，包括上横部和连接在所述上横部中部并与上横部垂直连接的出口通道；出口通道分为上出口通道和下出口通道，所述上出口通道和所述下出口通道通过法兰连接，并通过法兰垫片密封，所述法兰垫片中心位置设置有扰流棒，所述扰流棒向所述上横部延伸，所述扰流棒上还设置有扰流颗粒，所述法兰垫片上还设置有供物料流通的流通孔。还公开了一种偶氮颜料的连续化制备方法，该方法采用上述连续化微混合装置；具有更高的反应的温度，降低了对冷介质的需求，大幅度降低了能耗；大大缩短了颜料制备的时间，提高了生产效率，同时，产品的收率高(>98％)，平均粒径小。

Process for obtaining solid dyes and products obtained by this process

Production of new azo dyestuffs and intermediate products for their manufacture

New disazo dyes

Process for the manufacture of new coloring materials, products resulting from this process and their applications

Process for the preparation of trisazo dyes

Production of Azo Dyes and Resulting Products

PREPARATION OF BASIC DYE SOLUTIONS

PROCESS FOR DYING KERATINIC MATERIALS

Procédé de teinture de matières kératiniques à l'aide de colorants se développant sur la fibre. Le procédé consiste à appliquer dans un ordre quelconque l'un après l'autre le sel diazoïque et le composant de copulation et à les copuler l'un avec l'autre, le composant de copulation étant choisi parmi ceux de formules : Process for dyeing keratin materials using dyes which develop on the fiber. The method comprises applying in any order one after the other the diazo salt and the coupling component and coupling them with each other, the coupling component being selected from those of formulas:

Process for the production of disazo dyestuffs

Patent FR2394585B3

PHOTOSENSITIVE ELECTROPHOTOGRAPHIC MEDIUM

L'invention concerne un support électrophotographique photosensible. Le support de type stratifié de l'invention comprend une couche 2 génératrice de charges et une couche 3 de transport de charges sur un substrat conduisant l'électricité, la couche génératrice de charges renfermant au moins un pigment disazoque de structure définie. Application à la reproduction de documents. The invention relates to a photosensitive electrophotographic medium. The support of the laminate type of the invention comprises a charge-generating layer 2 and a charge-transport layer 3 on an electricity-conducting substrate, the charge-generating layer comprising at least one disazoque pigment of defined structure. Application to the reproduction of documents.

Patent FR2366337B1

AZO DYES

Patent FR2381806B1

NEW DISAZOIC COMPOUNDS, THEIR PREPARATION AND THEIR USE AS COLORANTS

L'invention a pour objet de nouveaux composés disazoïques et leur préparation. Les composés de l'invention répondent à la formule : The subject of the invention is novel disazo compounds and their preparation. The compounds of the invention correspond to the formula:

Tetrazonium salt compound, disazo compound and production thereof

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Patent JPS6221827B2

Electrophotographic sensitive body

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NOVEL DISAZOUIC COMPOUNDS, THEIR PREPARATION AND THEIR USE AS DYES.

A kind of hybrid pigment orange ROR

本发明涉及一种颜料橙ROR，尤其涉及一种复合型颜料橙ROR。按以下步骤进行：合成红色有机颜橙P.O.34→合成络合颜料橙62→复合处理。在该产品中的组成中，有机颜料提供体质轻、色泽鲜艳、着色力高的优点；金属络合颜料显示更好的耐热、耐晒、耐候等性能。

Electrophotographic sensitive body

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AZOANTHRAQUINONIC PIGMENTS, THEIR PREPARATION AND THEIR USES

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus which employs the same

"DISAZO CONNECTIONS, METHOD FOR THEIR PRODUCTION AND THEIR USE"

Solid state color image pickup element

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New disazo dyes

Azo dye and method for its preparation

Patent JPH0480384B2

Electrophotographic sensitive body

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A kind of medium chrome yellow substitutes pigment and preparation method thereof

本发明公开了一种中铬黄替代颜料及其制备方法，该替代颜料由有机颜料C.I.颜料黄83和钛白粉、沉淀BaSO 4 和高岭土所构成的三元无机物体系进行有机复合而成，按质量比，有机颜料C.I.颜料黄83：钛白粉：沉淀BaSO 4 ：高岭土为1:(4～5):(1～2):(1～2)。在有机颜料C.I.颜料黄83的制备过程中向其偶合反应组分中添加三元无机混合物，使其与偶合反应组分结合，而后与四氮化反应组分结合而生成复合颜料。制备过程中，通过具有不同粒径大小、不同遮盖力及吸油量特性的三种无机物总用量及它们各自的用量比的调控，使得制备的中铬黄替代颜料具有低吸油量、高耐热温度及高遮盖力特性，进而能作为塑料和涂料用中铬黄颜料的替代颜料。

Electrophotographic photoreceptor

NOVEL DERIVATIVES OF PYRIDONE, THEIR PREPARATION AND THEIR USE AS COLORANTS

L'INVENTION CONCERNE LES DERIVES DE LA PYRIDONE DE FORMULE: (CF DESSIN DANS BOPI) OU Z SIGNIFIE L'HYDROGENE OU UN GROUPE -NN-D OU D EST LE RESTE D'UNE COMPOSANTE DE DIAZOTATION, T SIGNIFIE UN GROUPE FORMANT PONT, R SIGNIFIE UN GROUPE HYDROXY OU UN GROUPE AMINO OU AMINO QUATERNAIRE ET A SIGNIFIE UN ANION NON CHROMOPHORE. L'INVENTION CONCERNE EGALEMENT DES POLYMERES CONSTITUES D'AU MOINS DEUX SEQUENCES DE COMPOSES DE FORMULEI RELIES PAR DES PONTS BIS-CATIONIQUES. CES COMPOSES PEUVENT ETRE UTILISES COMME COLORANTS, SPECIALEMENT POUR LA COLORATION DU PAPIER. THE INVENTION CONCERNS DERIVATIVES OF THE PYRIDONE OF FORMULA: (CF DRAWING IN BOPI) OR Z MEANS HYDROGEN OR A GROUP -NN-D OR D IS THE REMAINDER OF A DIZOTATION COMPONENT, T MEANS A GROUP FORMING BRIDGE, R MEANS A HYDROXY GROUP OR A QUATERNARY AMINO OR AMINO GROUP AND MEANS A NON-CHROMOPHORIC ANION. THE INVENTION ALSO CONCERNS POLYMERS CONSTITUTED OF AT LEAST TWO SEQUENCES OF COMPOUNDS OF FORMULAI CONNECTED BY BIS-CATIONIC BRIDGES. THESE COMPOUNDS MAY BE USED AS COLORANTS, ESPECIALLY FOR PAPER COLORING.