| Document |
Document Title |
|
WO/2003/046086A1 |
Azo compounds of formula (I), wherein X stands for halogen, in particular for chlorine, or C1−C4alkoxy, in particular for methoxy, Y stands for −CH2− or −O−, R1 and R2, independently from each other, stand for hydrogen, C1−C8...
|
|
WO/2002/100834A1 |
The invention concerns a dyeing composition for keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising a dicationic diazo dye of formula (I), as well as the dyeing composition using same. The inve...
|
|
WO/2002/099480A1 |
The invention relates to optical devices for producing and/or transforming polarised electromagnetic emission by means of anisotropic absorption and/or optical rotation effects and/or birefringence and can be used as different polarizers...
|
|
WO/2002/096994A1 |
The invention relates to basic mono- and bisazo compounds according to formula (I), wherein all substituents are defined as in Claim 1, their production, their use as dyestuffs as well as material dyed with these dyestuffs.
|
|
WO/2002/090442A1 |
The present invention relates to pyridone dyes of formula (1), wherein R is a radical -(CR'H)¿n?-W, R' is hydrogen, C¿1?-C¿2?alkyl or phenyl, Y is cyano, -CONH¿2? or -CH¿2?SO¿3?H, W is hydrogen, a radical -NR¿1?R¿2? or a radical ...
|
|
WO/2002/085988A1 |
The present invention relates to colorants of the general formula, wherein A, B and B', m and m' and n and n' are as defined in the description. The colorants can be used for the pigmenting of porous materials and in injekt printing and,...
|
|
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...
|
|
WO/2002/062902A1 |
Compounds of formula (I) wherein all substituents have the meanings as defined in Claim 1, their production and their use.
|
|
WO/2002/053649A2 |
The dyes of formula (1) according to claim 1 and the copper complexes of dyes of formula (2) according to claim 9 or the mixtures of mono-copper complex with the bis-copper complex are excellently suitable for dyeing paper with good ligh...
|
|
WO/2002/051943A1 |
Pigment Yellow 180 having excellent transparency is produced by a process which comprises diazotizing 1,2-bis(2-aminophenoxy)ethane and coupling the resultant diazo ingredient with 5-acetoacetylaminobenzimidazolone, wherein the 5-acetoac...
|
|
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/2002/046316A1 |
The invention relates to the use of disazo compounds according to formula (I) wherein all substituents are as defined in claim 1salts thereof and mixtures of these compounds for dyeing or printing organic sub-strates, to novel compounds,...
|
|
WO/2002/044284A1 |
According to the invention, trisazo dyes are produced by half-side coupling bis-diazotized 4-(4-amino phenylsulfamoyl)aniline to 1-amino-8-hydroxynaphthalene monosulfonic and disulfonic acids, by subsequently coupling diazotized substitu...
|
|
WO/2002/040595A1 |
The present invention is directed to a process for the preparation of organic pigments with enhanced fluorescence, which process comprises treating said pigments with a sufactant, and to the fluorescent organic pigments obtained by said ...
|
|
WO/2002/022742A1 |
The invention relates to bisazo compounds of formula (Ia) or (Ib) wherein R?1¿ represents hydrogen or methyl; the groups X independently represent -CH¿2?CH¿2?- or -CH¿2?CH¿2?CH¿2?-; R?2¿, R?3¿, R?4¿ independently represent hydro...
|
|
WO/2001/089461A1 |
The present invention relates to the use of certain compounds, which are given in Claim 1, or mixtures thereof for the coloring and tinting of keratin fibers, in particular of human hair.
|
|
WO1999024394A9 |
Amyloid binding compounds which are derivatives of Chrysamine G, pharmaceutical compositions containing, and methods using such compounds to identify Alzheimer's brain in vivo and to diagnose other pathological conditions characterized b...
|
|
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/2000/055259A1 |
The invention relates to azoxy dyes of general formula (I) in their free acid form, in which n is 0 or 1, R?1¿ is methoxy, hydroxyl and carboxyl, R?2¿ is carboxyl, amine, C¿1?-C¿4? alkylamine, allylamine, benzylamine and methoxycarbo...
|
|
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/1999/064520A1 |
The invention relates to azo dyes having general formula (I), wherein one of radicals X?1¿ and X?2¿ represents hydroxy and the other represents amino or C¿1?-C¿4?-alkylamino optionally substituted by hydroxy, cyano, carboxyl, hydroxy...
|
|
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/1998/050470A1 |
The invention relates to oligomer azo colorants with an alternating composition based on tetrazo constituents and coupling constituents, containing at least two units of structure (I) in the molecule, wherein D stands for one tetrazo con...
|
|
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/1998/044051A1 |
Disazo compounds represented by general formula (1) or salts thereof, wherein A represents optionally substituted phenylene or naphthylene; R?1� and R?2� each independently represents hydrogen, an alkyl, optionally substituted phenyl...
|
|
WO/1998/044053A1 |
A composition comprising: (i) a dye of formula (1) or a salt thereof, wherein n is 0 or 1; and (ii) at least one dye selected from a dye of formulae (2), (3), (4), (5), (6), (7) and salts thereof as defined in the description. Also claim...
|
|
WO/1998/041581A1 |
The invention relates to azo dyes with an alternating composition of diazocomponents and coupling components, containing in the molecule at least three units of the structure (I) wherein D stands for a tetrazocomponent of the formula (II...
|
|
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/1998/023690A1 |
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/1998/017728A1 |
Novel bisazo compounds prepared by coupling a 2-hydroxynaphthalene-3,6-dicarboxylic acid derivative with a compound having two diazo groups in the molecule at a mole ratio of 2:1; and a process for the preparation thereof. The compounds ...
|
|
WO/1998/010021A1 |
Tetrakisazo dyes of formula (I), as defined in Claim 1, optionally in admixture with trisazo dyes of formula (X) as defined in Claim 4, are valuable anionic dyes for the dyeing of substrates dyeable with anionic dyes, in particular for t...
|
|
WO/1997/031067A1 |
A process for the preparation of disazo pigments by which coupling can be attained in an enhanced conversion; and disazo pigments prepared by this process and excellent in transparency, sharpness, staining power and gloss. This process i...
|
|
WO/1997/024405A1 |
Polyazo dyes of formula (I) in which n and the radicals Y1, Y2, Y3, Y4, X, R1, R2 and R3 have the meanings given in the description, and their use for dyeing natural or synthetic substrates.
|
|
WO/1997/007184A1 |
A dichroic azo dye having a trifluoromethyl-substituted biphenyl skeleton represented by general formula (I), and a guest-host liquid-crystal composition and a liquid crystal display element containing the dye and showing a high order pa...
|
|
WO/1996/034853A1 |
Amyloid binding compounds which are derivatives of Chrysamine G, pharmaceutical compositions containing, and methods using such compounds to identify Alzheimer's brain in vivo and to diagnose other pathological conditions characterized b...
|
|
WO/1996/012709A1 |
The present invention provides novel substituted biphenyl pyrazines or pyrazine derivatives ("BPD") which are functional and have useful application as a monomer for a variety of high performance polymers such as polyester, polyarylate, ...
|
|
WO/1996/012750A1 |
The present invention provides novel substituted biphenyl pyrazines or pyrazine derivatives ("BPD") which are functional and have useful application as a monomer for a variety of high performance polymers such as polyester, polyarylate, ...
|
|
WO/1995/031506A1 |
Dyes of formula (I), in which R1 is an alkyl or cycloalkyl group preferably having 1 to 6 and more preferably having 2 to 6 carbon atoms which is preferably in the 4(para) position relative to the diazo group; R2 is a lower alkyl group p...
|
|
WO/1995/023189A1 |
A bisazo compound represented by general formula (1), tautomers thereof, or salts thereof (wherein R represents (un)substituted phenyl or (un)substituted heteroaryl; and X represents (un)substituted phenylene). These compounds are lowly ...
|
|
WO/1994/028073A1 |
Polarizing coatings are formed from dyestuffs which provide a stable liquid crystalline phase in a wide range of concentrations, temperatures and pH-values. Particles formed by aggregates of the liquid crystal molecules are oriented in a...
|
|
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...
|
|
WO/1994/004613A1 |
Compounds of formula (1) wherein: R1, R3 and R4 are each independently H, alkyl, alkoxy, halo, nitro, sulpho or carboxy; R2 is H, alkyl, alkoxy, halo, phenyl, nitro or carboxy; W is -SO2O-, -CO2O-, -SO2NR5-, -NR5-, -CH2NR5-, or -CH2O-; R...
|
|
WO/1992/022610A1 |
Novel azo compound derivatives which exhibit anti-HIV activity, methods for synthesizing these derivatives, pharmaceutical compositions containing these azo compound derivatives and methods for treating HIV-infected in mammals and humans...
|
|
WO/1992/014791A1 |
Benzophenonazo dyes have formula (I), in which the A ring may be benzenically annelated and a benzenically annulated A ring may be bridged; m is 1 or 2; K stands for the residue of a coupling component; Y stands for hydrogen or arylazo; ...
|
|
WO/1991/019768A1 |
A bisazo compound represented by general formula (I) and an electrophotographic photoreceptor having a photoreceiving layer containing said bisazo compound, wherein two of R�1? to R�4? groups represent each an azo group having a coup...
|
|
WO/1991/013941A1 |
The invention relates to monoazo and diazo compounds of formula (I) where D stands for a carbocyclic or heterocyclic diazo or bisdiazo constituent group, R?1� and R?2� each independently stand for a possibly substituted aryl or heter...
|
|
WO/1982/002209A1 |
Novel tris-azo dyes and a liquid crystal composition containing the tris-azo dyes, The tris-azo dyes are of the general formula: (FORMULA) wherein R1 and R2 are various aromatic groups including aromatic amines, substituted aromatic amin...
|
|
WO/1982/002054A1 |
Novel yellow azo dye compositions and novel liquid crystal compositions containing the yellow azo dye composition. The yellow azo dye composition, having terminal ester groups, has the general formula: (FORMULA) wherein R and R' are alky...
|
