Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 6,080

Document Document Title
WO/1999/064521A1
Red shade yellow pigment compositions characterized by formula (1) wherein X is a lower alkyl or a -COOR¿1? group; wherein R¿1? is hydrogen or lower alkyl group; each Y is independently a lower alkyl, lower alkyloxy or halogen group; a...  
WO/1999/057362A1
A dye mixture comprises (A) at least one dye of formula (I) wherein X is Cl, Br or I; Q is C¿1-4?alkyl; and each of R?1¿ and R?2¿ independently, is C¿1-4?alkyl or C¿1-4?alkenyl; and (B) at least one dye of formula (II) wherein Q?1¿...  
WO/1999/050357A1
A dye of Formula (1) wherein: R?1¿ and D are each independently H or a substituent; R?2¿ and R?3¿ are each independently optionally substituted alkyl, aryl or aralkyl, or R?2¿ and R?3¿ together with the carbon atom to which they are...  
WO/1999/048466A1
The invention concerns an oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least an oxidation base, at least a 3-aminopyridine derivati...  
WO/1999/043754A1
Compounds of Formula (1) and salts and tautomers thereof, wherein: R?1¿ and R?2¿ each independently is H, optionally substituted alkyl, optionally substituted aryl or optionally substituted arylalkyl; each W and each X independently is...  
WO/1999/024872A1
There is described a negative charge control agent for use in electroreprography which comprises one or more azopyridones of Formula (I) which includes all electroreprographically effective forms of such compounds selected from one or mo...  
WO/1999/020235A1
The invention concerns a ready-to-use composition for dyeing keratin fibres, and in particular human keratin fibres such as hair comprising, in an appropriate dyeing medium, at least a direct cationic dye properly selected, and at least ...  
WO/1999/001510A1
Compounds of Formula (1) wherein: A is N, C-CI, C-CN or C-NO¿2?; L?1¿ is -OR?3¿; Z is -O-, -S- or -NR?2¿-; R?1¿ and R?2¿ are each independently H or optionally substituted alkyl; R?3¿ is H or alkyl; each W independently is -CO¿2?...  
WO/1999/001512A1
The invention relates to pigment dispersions, containing (a) a polymer, (b) a compound of formula (I), and (c) a solvent that does not contain water or (d) a solvent containing water. The invention also relates to a method for the produc...  
WO/1999/001511A1
The invention relates to the production of pigment dispersions, containing a pigment, a polymer and a solvent, wherein a1) a mixture A containing a latent pigment and a polymer is thermally, chemically or photolytically treated, and b) s...  
WO/1998/059007A1
Dyes of Formula (1) and tautomers thereof, wherein: A is optionally substituted phenyl; R?1¿ is H, optionally substituted alkyl, optionally substituted alkenyl or optionally substituted alkynyl; R?2¿ is H, CN, optionally substituted al...  
WO/1998/059008A1
Dyes of formula (1) and tautomers thereof, wherein: A is optionally substituted phenyl; R?1¿ is methyl; R?2?? is H, CN, optionally substituted alkyl, optionally substitued alkenyl, optionally substituted alkynyl, optionally substituted ...  
WO/1998/058026A1
The invention concerns a transparent pigmentary composition for preparing ink characterised in that it is obtained by coupling with acetylaceto-2-anisidide a mixture of diazonium salts obtained from 98 to 85 mol % of 2- methoxy-4-nitro-a...  
WO/1998/045757A1
This invention relates to a black-pigmented high molecular weight organic material which is structured from a radiation-sensitive precursor by irradiation, the pigmentation of which material consists of coloured organic pigments, at leas...  
WO/1998/045756A1
The invention relates to a colour-pigmented high molecular weight organic material structured from a radiation-sensitive precursor by irradiation, the pigmentation of which material consists of extremely fine particles, at least 80 mol %...  
WO/1998/037150A1
The invention relates to trifluoromethyl-substituted azo dyes of formula (I), in which one of the R?1� radicals represents NHR?2� and the other R?1� radical represents NR?3�R?4�, D is the radical of an aromatic or heteroaromati...  
WO/1998/032802A1
Compounds of formula (I): A(B)�x? wherein x is an integer from 1 to 8; A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, pht...  
WO/1998/027165A1
Compounds of Formula (1) have utility as dyes for ink-jet printing where Formula (1) comprises: T�q?-W which includes all acceptable forms of such compounds selected from one or more of the following (including mixtures thereof and com...  
WO/1998/023690A1
The present invention recites a method comprising reacting in a solvent in the presence of a base a) at least one diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing monomer having a light absorption maximum...  
WO/1998/023449A1
A process film which comprises a transparent substrate and, formed thereon, a layer consisting mainly of a polymer comprising repeating units represented by the following general formula (1): -[-AXAR1-]- wherein A represents formula (I) ...  
WO/1998/022537A1
The invention is a composition of matter useful as an acid yellow dye having formula (I) wherein: X is hydrogen or SO�3??-�M?+�; M?+� Na?+�, Li?+�, K?+�, NH�4??+�, or hydroxyalkylammonium of the formula [H-(OCH�2?CH...  
WO/1998/016513A1
A novel 2-hydroxynaphthalene-3,6-dicarboxylic acid derivative. This compound is useful as a starting material for dyes, pigments, and photosensitive materials.  
WO/1998/016587A1
Novel monoazo compounds excellent in water, chemical and solvent resistances and other properties and synthesized by using 2-hydroxynaphthalene-3,6-dicarboxylic acid (or a salt thereof), amide, ureide, or an ester thereof as a coupler.  
WO/1998/015533A1
2,3-dihydroperimidines of formula (I), in which X, m, R?1� and R?2� have the meaning cited in the description, are produced by the reaction of 1-hydroxy-8-aminonaphthalines of formula (II) with carbonyl compounds of the formula (III)...  
WO/1998/014524A1
An ink composition comprising water, a water-dissipatable polyester, a disperse dye or a solvent soluble dye or a mixture of such dyes, a water-immiscible organic solvent and a water miscible organic solvent. The inks are useful in ink j...  
WO/1998/014523A1
An ink comprising water, a water-dissipatable polymer and a dye of formula (1), wherein R?1� is optionally substituted alkyl or optionally substituted aryl; R?2� is H, optionally substituted alkyl or optionally substituted aryl; R?5...  
WO/1998/014832A1
The present invention relates to a novel antireflective coating solution and a process for its use in photolithography. The antireflective coating solution comprises a polymer, a novel arylhydrazo dye and a solvent, where the novel arylh...  
WO/1998/014833A1
A lightsensitive positive photoresist composition containing a film forming resin, a photoactive compound, a solvent, and an arylhydrazo dye. The dyed photoresist reduces the linewidth variation of the resist pattern on a reflective subs...  
WO/1998/014525A1
An ink comprising water, a water-dissipatable polymer and a dye, wherein the dye carries a group of formula (1) wherein: R?1� is optionally substituted branched chain alkyl; and R?2� is H, optionally substituted alkyl or optionally s...  
WO/1998/012602A1
There are described image-recording materials which include an image dye-providing compound comprising a novel naphthol azo cyan dye having a 3-aminobenzoisothiazole moiety. The image dye-providing compound includes a diffusion control m...  
WO/1998/012262A1
There are described novel compounds which are represented by formula (I) wherein the substituents R�1?-R�6? have the meanings given in claim 1. The compounds of the present invention are useful as dyes and as intermediates and dye mo...  
WO/1997/049770A1
Dyes of formula (1), wherein A represents an optionally substituted aromatic carbocyclic or heterocyclic radical, n represents an integer from 0 to 3, X represents a halogen atom and each of R1, R2, R3, R4 and R5, independently, represen...  
WO/1997/045493A1
Disclosed are compositions comprising one or more compounds characterized by formula (I) wherein X is a hydrocarbyl, carboxylic acid ester, sulfonic acid ester, carboxylic acid amide or sulfonic acid amide group; Y is a hydrocarbyl, halo...  
WO/1997/043759A1
A photorefractive composite comprises a charge transport matrix and an electrooptic dye having an aliphatic group of four or more carbon atoms.  
WO/1997/035925A1
Compounds of Formula (I) wherein the substituents are as defined in the description, a process of manufacture thereof and a process of dyeing employing said compounds.  
WO/1997/035926A1
Dye mixtures containing one or more thienyl and/or thiazolazo dyes with a coupling component of the aminothiazol, anilin or tetrahydroquinoline series, one or more dyes from the class of monoazo or diazo, methine, azamethine, anthraquino...  
WO/1997/031295A1
There are described color-providing compounds having at least two cyclic 1,3-sulfur-nitrogen moieties and one complete dye or dye intermediate. The color-providing compound is stable in the photographic processing composition but capable...  
WO/1997/029155A1
Monoazo dyes having formula (1) wherein Q is -Br or -Cl; R1 and R2 each independently is H or is selected from the group consisting of C1-6-alkyl and aryl groups, each of which may be unsubstituted or substituted by one or more nonionic ...  
WO/1997/027247A1
Monoazo dyes having formula (1), wherein R1 represents -C3H6CN, -C2H4Cl, -C3H6Cl, -C2H4OCOCH3 or -C2H4OCOCH2Cl; R2 and R3 each independently represent a C1-6-alkyl group; and R4, R5 and R6 each independently represent H, F, Cl, Br, I, -S...  
WO/1997/004030A1
An azothiophene disperse dye of Formula (1) in which R, R1, R2 and R3 each independently is alkyl or alkenyl.  
WO1996034916A3  
WO/1996/034916A2
Compounds and ink compositions. An ink composition comprising a compound of formula (1) and salts thereof, wherein Ch represents an arrangement of atoms which causes the compound to absorb electromagnetic radiation; Ra and Rb each indepe...  
WO/1996/026985A1
A recording fluid comprising an aqueous medium and at least one monoazo dye represented by general formula (I) in the form of a f ree acid wherein R1, R2 and R3 represent each independently (un)substituted C1-C9 alkyl, C1-C9 alkoxy, halo...  
WO/1996/026982A1
The invention concerns a method of dyeing polyester or polyester-containing textile materials at a pH of between 8 and 11, and is characterized in that one or a plurality of monoazo dyes of general formula (I) are used, wherein X is (C1-...  
WO/1996/025464A1
Disclosed are compositions comprising one or more compounds characterized by formula (1) wherein Ar is an aromatic moiety having at least one substituent which is an acid group or salt thereof; X is a hydrocarbyl, carboxylic acid ester, ...  
WO/1996/024636A1
There is described a new magenta azo dye which can be used in an aqueous composition in an ink jet printing process.  
WO/1996/022334A1
An azo pyrazolone compound of formula (1) in the form of a salt, and its use as a pigment.  
WO/1996/022333A1
An azo pyrazolone compound of formula (I), wherein Z represents a substituent selected from Cl, Br, F, NO2, SO2R, CO2R, NHSO2R1 and NHCOR1 in which R and R1 are hydrocarbyl groups and the sulphonic acid group in ring A is in the 3- or 4-...  
WO/1996/016015A1
The present invention provides anthraquinonyl and anthronyl dyes and dichroic light polarizers based on the dyes. The dichroic light polarizer includes two separate embodiments. In the first embodiment, the dye molecules are aggregated i...  
WO/1996/012768A1
A coupling component for use in the synthesis of azo colorants, selected from compounds having formulae (I), (II) wherein R1 is Y or arylene-(Y)n, where n is an integer from 1-4; R2 is H, C1-C8 alkyl, C3-C8 cycloalkyl, aryl, or Y; provid...  

Matches 451 - 500 out of 6,080