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Patent Searching and Data


Matches 401 - 450 out of 6,080

Document Document Title
WO/2002/077984A1
The invention relates to an optical data carrier containing a preferably transparent substrate which has optionally been coated with at least one reflection layer. An information layer which can be written with light, optionally at least...  
WO/2002/074864A1
The present invention relates to dyes of formula (I) wherein R is hydrogen or bromine, R¿1? is hydrogen, methyl or -NHCO-C¿1?-C¿4?alkyl, R¿2? is C¿1?-C¿4?alkyl substituted by C¿1?-C¿4?alkoxy and R¿3? has, independently of R¿2?,...  
WO/2002/072707A1
The present invention relates to pyrifone azo dyes of formula (1), wherein A is the radical of a diazo component of the benzene, naphthalene, diphenyl, azobenzene, thiophene, benzothiazole, benzoisothiazole, thiadiazole, indazole, benzot...  
WO2001074950A3
Mono- and Bis-Azo/Hydrazone Pyrrole Pigments and Methods for preparing same.  
WO/2002/071530A1
A photoelectric conversion element consisting of an organic pigment sensitizing semiconductor fine particle thin film is formed by using as a partial structure a pigment having a barbituric acid structure, and by carrying the pigment on ...  
WO/2002/068539A1
The present invention relates to dyes of formula wherein R¿1? is hydrogen, methyl or -BHCO-C¿1?-C¿4?alkyl, R¿2? is C¿1?-C¿4?alkyl, it being possible for the alkyl chain, from C¿2? upwards, optionally to be interrupted by an oxygen...  
WO/2002/064679A1
The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant of formula (2) or (3). The magenta colorant mixture is advantageously used in ink-jet printing and yields storage-stabl...  
WO/2002/062902A1
Compounds of formula (I) wherein all substituents have the meanings as defined in Claim 1, their production and their use.  
WO/2002/059216A1
The present invention relates to an azo dye of formula (1), wherein R¿1? is the radical of a diazo component of the benzene, naphthalene, diphenyl, azobenzene, thiophene, benzothiazole, thiadiazole, indazole, benzatriazole, pyrazole, an...  
WO/2002/059217A1
Novel improved mixed crystals of monoazo dyes of formula (I), wherein R¿1? is methyl or chlorine, and R¿2?, R¿3? and R¿4? are each independently of the others hydrogen, methyl or chlorine, which dyes have been laked with alkaline ear...  
WO/2002/059215A1
The present invention relates to an azo dye of formula wherein D is the radical of a diazo component of the benzene, naphthalene, diphenyl, thiophene, benzothiazole, benzisothiazole, thiadiazole, indazole, benzotriazole, pyrazole, anthra...  
WO/2002/048266A2
The invention relates to pyrazolone pigments of general formula (I), wherein the radicals R?1¿, R?2¿, R?3¿ and R?4¿ independently represent hydrogen, chlorine, methyl or ethyl, whereby at least one of the radicals R?1¿ - R?4¿ is di...  
WO/2002/046318A1
The present invention relates to a process for the trichromatic dyeing or printing of natural or synthetic polyamide fibres or such fibres as contain polyamide with dye mixtures and also to such dye mixtures and polyamide fibres dyed or ...  
WO/2002/038549A1
The invention provides heteroanellated aminophenols of the general formula (I) wherein ring A is an anellated heteroring. Furthermore, the invention provides azo compounds of the general formula (II) and azomethine compounds of the gener...  
WO/2002/034839A1
Monoazoquilolone pigments which, in one of the tautomeric forms thereof, correspond to formula (1), wherein Ar is a radical of formula (2a), (2b), (2c), (2d), 2(e) or (2f) wherein R¿1? is C¿1?-C¿4?alkyl, R¿2? and R¿3? are each indep...  
WO/2002/033005A2
The invention provides for novel substituted-polyaryl chromophoric compounds which desirably comprise a single diazo group, and optimally include a plurality of diazo groups. Preferably the chromophores exhibit optical nonlinear second-o...  
WO/2002/030374A1
A method of dyeing keratin-containing fibres, which comprises using a dye of formula (I) wherein R¿1? and R¿2? are each independently of the other hydrogen, C¿1?-C¿4?alkyl, halogen or nitro, R¿3? and R¿4? are each independently of ...  
WO/2002/031056A1
Dyes of formula (1) or (2) wherein R¿1?, R¿1'?, R¿2? and R¿2'? are each independently of the others hydrogen, C¿1?-C¿4?alkyl, halogen or nitro, R¿3?, R¿3'?, R¿4? and R¿4'? are each independently of the others C¿1?-C¿4?alkyl u...  
WO2001090257A3
Described is a process for preparing concentrated solutions or suspensions of anionic organic compounds which comprises a) acidifying an aqueous solution or suspension of an anionic organic compound containing salts and/or impurities to ...  
WO/2002/025648A1
The invention relates to an optical data carrier containing a preferably transparent substrate which is optionally coated with one or more reflecting layers. A light-inscribable information layer and optionally one or more reflecting lay...  
WO/2002/025205A1
The invention relates to an optical data support which can be written once, to the use of co-phthalocyanin complexes as light-absorbing compounds in the optically writable information layer of optical data supports, especially for CD-Rs,...  
WO/2002/024817A1
Composition comprising (a) from 80 to 99.9 % by weight of an azo pigment (I) where M is Mg, Ca, Sr, Ba, or Mn or a mixture thereof, (b) from 0 to 20 % by weight of an azo pigment (II) (c) from 0 to 20 % by weight of an azo pigment (III) ...  
WO/2002/012402A2
Disclosed are novel colorant compounds which contain one or more ethylenically-unsaturated (vinyl), photopolymerizable radicals which may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored compositions...  
WO2001042505A3
Oligonucleotide-fluorophore-quencher conjugates wherein the fluorophore moiety has emission wavelengths in the range of about (300) to about (800) nm, and or where the quencher includes a substituted 4-(phenyldiazenyl)phenylamine structu...  
WO/2001/094314A1
The invention relates to hydroxypyridone methide azo dyes corresponding to the formula (I) and to their tautomer forms. In said formula, the substituents X?1¿ to X?4¿, R?1¿ and R?2¿ are defined as per the description. Said dyes are p...  
WO/2001/090257A2
Described is a process for preparing concentrated solutions or suspensions of anionic organic compounds which comprises a) acidifying an aqueous solution or suspension of an anionic organic compound containing salts and/or impurities to ...  
WO/2001/074950A2
Mono- and Bis-Azo/Hydrazone Pyrrole Pigments and Methods for preparing same.  
WO2001021714A3
There is described compositions comprising a solvent and at least one compound of Formula (1) in which: R<1> represents H, an optionally substituted C1-8 carbyl derived group, or a group of Formula (A) where: c is from 2 to 6; R<3> repre...  
WO/2001/066646A1
The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair.  
WO/2001/059012A1
A compound of the Formula (1) and salts thereof wherein: D is the residue of a mono-azo chromophore; Z is an optionally substituted nitrogen containing heterocyclic group; R?1¿ is H or optionally substituted alkyl; the dyes of Formula (...  
WO/2001/042505A2
Oligonucleotide-fluorophore-quencher conjugates wherein the fluorophore moiety has emission wavelengths in the range of about (300) to about (800) nm, and or where the quencher includes a substituted 4-(phenyldiazenyl)phenylamine structu...  
WO2000014530A8
The invention concerns a stable aqueous solution (A) comprising an azo dye, whereof the colouring action or the intensity of the colouring action is modified in the presence of chlorine dioxide, a borate buffer solution and one or severa...  
WO/2001/038444A1
Concentrated dye compositions (P) which are solutions of y % by weight of at least one anionic dye (A) in a solution of x % by weight of benzyl alcohol (B) in water, and z % by weight of at least one formulation additive (F), in which x ...  
WO/2001/026105A1
The present invention relates to a method for optically writing digital information into a flat, extended storage medium, whereby said information can also be optically read out afterwards.  
WO/2001/025335A1
Composition comprising (a) from 1 to 20, preferably from 1 to 10 % by weight of a sorbitan ester of formula (I) wherein R¿1? and R¿2?, independently from each other, stand for C¿1?-C¿20?alkyl or C¿2?-C¿20?alkenyl, and (b) from 99 t...  
WO/2001/021714A2
There is described compositions comprising a solvent and at least one compound of Formula (1) in which: R?1¿ represents H, an optionally substituted C¿1-8? carbyl derived group, or a group of Formula (A) where: c is from 2 to 6; R?3¿ ...  
WO/2001/012727A1
A compound of Formula (1): X-[-(C¿n?H¿2n?)¿n?-NH-(C¿m?H¿2m?)-W-B(OH)¿2?]¿p? and salts thereof wherein: X is a chromophore or a fluorophore; W is an optionally substituted aromatic ring; n is 0, 1 or 2; m is 1 or 2; and p is 1 or 2...  
WO/2001/009256A1
A water-based ink-jet recording ink which comprises as major components a water-insoluble dye, water, and a resin and is in the form of an emulsion, characterized by containing at least one yellow dye selected from the group consisting o...  
WO/2000/061088A1
The invention relates to agents for coloring fibers containing keratin, containing at least one developer component of formula (I), R?1¿ and R?2¿, independently of each other, representing a C¿1?- to C¿4?-alkyl group and R?3¿ repres...  
WO/2000/054111A1
The invention relates to novel holographic recording materials for use in the area of photoadressable polymers.  
WO/2000/051969A1
This invention relates to very specific oxyalkylene-substituted $i(m)-amidoaniline compounds as intermediates for the production of poly(oxyalkylene)-substituted diazo (or other type) colorants. Such an inventive intermediate compound is...  
WO/2000/040795A1
A water-insoluble monoazo dye represented by structural formula (II) having a crystal modification characterized by an X-ray diffraction pattern (CuK$g(a)) showing one strong peak at a diffraction angle (2$g(u)) of about 11.1° and also ...  
WO/2000/040656A1
The present invention relates to colours of formula (1), wherein R is methyl or butyl, R¿1? is hydrogen, halogen, cyano or nitro, R¿2? is halogen or cyano, R¿3? is hydrogen, halogen, C¿1?-C¿4?-alkyl or C¿1?-C¿4?-alkoxy, R¿4? is h...  
WO/2000/032697A1
A dye mixture comprises (A) at least one monoazo dye of formula (I) wherein X¿A? is C1, Br, I, CN or NO¿2?; R¿A? is C¿1-4?alkyl or NHCOQ, where Q is C¿1-4?alkyl; and each of R¿A??1¿ and R¿A??2¿, independently, is C¿1-4?alkyl, C...  
WO/2000/026303A1
Solid solutions of monoazo pigments comprising a host lattice and at least one guest material wherein the host lattice is a material having general formula (I) or (II). In formula (I), R?1¿ = H, CO¿2??-¿ or CO¿2?R, where R may be phe...  
WO/2000/023525A1
Azo compounds represented by formula (I), which are diamide type azo compounds derived from 2-hydroxynaphthalene-3,6-dicarboxylic acid and in which at least one of the amides is aliphatic. Various uses of the compounds are also provided.  
WO/2000/023526A1
A toning agent for azo pigments, a toned azo pigment, and a process for producing the same. 2-Hydroxynaphthalene-3,6-dicarboxylic acid and a derivative thereof are incorporated into a main coupler ingredient for an azo pigment. The resul...  
WO/2000/014530A1
The invention concerns a stable aqueous solution (A) comprising an azo dye, whereof the colouring action or the intensity of the colouring action is modified in the presence of chlorine dioxide, a borate buffer solution and one or severa...  
WO/2000/005575A1
The present invention relates to a method for detection of protein using a counter-dye composition, on polyacrylamide gels, and the counter-dye composition for detection of protein on polyacrylamide gels. More specifically, the present i...  
WO/1999/067346A1
Amino azoic dyes having general formula (I) wherein: R?1¿ is linear or branched alkyl having from 4 to 20 carbon atoms; R?2¿ and R?3¿ are independently H, CH¿3?, C¿2?H¿5?, OCH¿3?, OC¿2?H¿5?; R?4¿ and R?5¿ are independently H, ...  

Matches 401 - 450 out of 6,080