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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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.
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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...
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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...
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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 ...
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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...
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WO/1997/004030A1 |
An azothiophene disperse dye of Formula (1) in which R, R1, R2 and R3 each independently is alkyl or alkenyl.
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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...
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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...
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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-...
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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, ...
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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.
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WO/1996/022334A1 |
An azo pyrazolone compound of formula (1) in the form of a salt, and its use as a pigment.
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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-...
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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...
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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...
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WO/1996/003462A1 |
The invention concerns azo dyes of formula (I) in which D stands for a diazo component group from the aniline series or from the aromatic heterocyclic amine series, R1 and R2 designate C1-C10 alkyl, which is optionally substituted, C5-C7...
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WO/1995/034846A1 |
An electrophotographic toner contains a polymer binder and a colouring agent having formulas (I) and/or (II), in which D stands for a residue having formulas (III) or (IV); R stands for C1-C13-alkylamino, C1-C4-alkyl-substituted phenyl o...
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WO/1995/034273A1 |
The invention concerns direct-acting hair colouring agents which contain a cationic polymer, a given 'alpha'-hydroxy acid and an ether-carboxylic acid.
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WO/1995/034024A1 |
A process for preparing an optical filter comprising a coloured cross-linked polymeric coating on a transparent substrate, which comprises applying to the substrate, by a printing process, a mixture comprising one or more polymer precurs...
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WO/1995/032249A1 |
The invention is a dye composition containing two or more dyes of the vinyl sulfone type which can be used in combination to dye polyamide substrates. Preferably the dye compositions of the invention contain at least three dyes of differ...
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WO/1995/028287A1 |
A thermal transfer sheet comprising a substrate having a coating comprising a dye of formula (1), wherein Y is -H, alkyl, alkoxy, -NHCOalkyl, NHCOaryl, -NHSO2alkyl or -NHSO2aryl; ring A is unsubstituted apart from the -N=N-, -Y and -N< g...
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WO/1995/028447A1 |
A disperse dye of formula (1), in which R1 is alkyl, cycloalkyl, aryl, alkenyl or aralkyl each of which may be optionally substituted; R2 and R3 each independently is optionally substituted alkyl; R4 is -H, -OH or alkyl, alkoxy, - NHCOal...
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WO/1995/028396A1 |
Phenol derivatives of the general formula (I) in which R1, R2, R3, X, Y and Z have the meanings given in the description, a process for their production and their use, especially in non-linear optics.
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WO/1995/020014A1 |
A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a compound or mixture thereof, which is free from water solubilising groups, of the Formula (1) A-N=N-...
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WO/1995/017483A1 |
The use of azo dyes of the formula (I) in which ring A can be benzoanellised, n is 0 or 1, R1 is hydrogen or possibly substituted C1-C5 Alkyl, R2 is possibly substituted C1-C15 alkyl, R3, R4, R5, R6 and R7 are hydrogen, C1-C15 alkyl or C...
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WO/1995/015969A1 |
The present invention consists in methods of preparing sugar derivatives either in isolation or from glycopeptides or glycoproteins. The methods comprise producing sugar hydrazones, sugar pyrazoles, glycosylpyrazones, azoglycan dyes and ...
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WO/1995/014957A1 |
The use of azo dyes with a diazo component derived from an aminothienothiophene and a coupling component from the aniline series in non-linear optics, polymers derived from these azo dyes, their use in non-linear optics and novel phenyl ...
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WO/1995/011279A1 |
Novel polymerizable yellow dyes are disclosed. Additionally, novel and known dyes are used to block or lower the intensity of blue light transmitted through ocular lenses and other windows.
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WO/1995/011278A1 |
Diphenylamines have formula (I), in which the ring A may be benzoanellated; D stands for an aryl radical or for a five-membered aromatic heterocyclic residue that has 1 to 3 heteroatoms in the heterocyclic ring selected from the group th...
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WO/1995/010581A1 |
A process for detecting marked mineral oils by treating the marked mineral oil with an extracting agent containing water, a solvent and a base, in which use is made as the marking agent of an azo dye of formula (I), in which ring A may b...
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WO/1995/009894A1 |
The invention relates to compounds of formula (I) in which R corresponds to formula (a) and R1 = H, OH, alkyl with 1 to 6 C atoms, alkanoyl with 2 to 7 C atoms and R2 = H, alkyl with 1 to 6 C atoms. They are used as indicators to determi...
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WO/1995/009382A1 |
The invention concerns the use, in non-linear optics, of azo dyes in which the diazo component is derived from an aniline or a five-membered aromatic heterocyclic amine which has one to three ring hetero-atoms selected from the group com...
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WO/1995/007318A1 |
Dye mixtures contain at least four dyes having the same colour of formula (I), in which R4 stands for hydrogen or C1-C4-alkyl; D stands for the residue of a diazo component from the aminoanthraquinone, aniline, aminothiophene, aminothiaz...
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WO/1995/006687A1 |
Triazolopyridine azo dyes of formula (I) in which one of the two radicals A and E is nitrogen and the other is a radical of the formula C-R1, in which R1 is optionally substituted C1-C20 alkyl, optionally substituted phenyl or optionally...
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WO/1995/005420A1 |
Azo dyes have formula (I), in which R1 stands for optionally substituted C1-C20-alkyl, optionally substituted phenyl or optionally substituted mercapto; R2 stands for hydroxy or mercapto; and D stands for the residue of a diazo component...
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WO/1995/002848A1 |
A monlinear optically-active azo dye monomer comprising functionalities at opposite ends thereof which have differing reactivities, thus allowing the functionalities to be reacted in a stepwise fashion. The monomers can be incorporated i...
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WO/1995/002581A1 |
A second order nonlinear optically-active azo monomer comprising a benzimidazole moiety. The monomers can be incorporated into both linear and crosslinked polymers useful in electrooptical devices.
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WO/1995/001772A1 |
Keratin-containing fibres, in particular human hair, are dyed using dyes of formulae (1) to (6) indicated in claim 1. These dyes make it possible to dye by the trichromatic principle even in dark shades.
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WO/1995/000473A1 |
A novel calix[4]arene compound, application of the compounds as an active component in a calcium sensitive sensor, and a calcium sensitive sensor containing the compound. The calix[4]arene compound has general formula (I). The sensor is ...
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WO/1994/022961A1 |
A compound of formula (1) and salts thereof, wherein R1 and R2 are each independently optionally substituted alkyl; R3 is H or optionally substituted alkyl; X is a labile atom or group; Y is a labile atom or group or a group of formula (...
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WO/1994/018274A1 |
An azo color for color filters which has at least one monosubstituted sulfonamide group in its molecule and is soluble in an aqueous alkali solution and organic solvents, and a process for producing a color filter having a number of colo...
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WO/1994/017388A1 |
An ion selective optrode or optical chemical sensor makes use of a primary absorber dye (14) whose color changes with the analyte concentration, and a fluorophore (18) whose excitation and/or emission is modulated by the changing absorpt...
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WO/1994/008797A1 |
A thermal transfer sheet comprising a substrate having a coating comprising a dye of formula (1), wherein: A is the residue of a diazotisable aromatic or heterocyclic amine; R1 is an optionally substituted branched chain alkyl group; R2 ...
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