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WO/2002/083662A2 |
A compound represented by the following formula (I) or formula (2-I) :
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WO/2002/081572A1 |
The present invention relates to novel dyestuffs of formula (I) (formula see on enclosed paper version) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and ma...
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WO/2002/081580A1 |
An aqueous ink composition which comprises a compound represented by the formula (1): (1) wherein R�1? and R�2? independently represent a hydrogen atom, an alkyl group, an alkoxy group, an alkanoylamino group, an alkoxyalkoxy group, ...
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WO/2002/078659A1 |
The invention concerns a novel dyeing composition for dyeing keratinous fibres, in particular human hair, comprising a cationic azo-dye of formula (I): W1-N=N-W2-W3, as well as the dyeing method using said composition and the novel compo...
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WO/2002/078658A1 |
The invention concerns a novel dyeing composition for dyeing keratinous fibres, in particular human hair, comprising a cationic azo-dye of formula (I): W1-N=N-W2-W3, as well as the dyeing method using said composition and the novel compo...
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WO/2002/078660A1 |
The invention concerns a novel dyeing composition for dyeing keratinous fibres, in particular human hair, comprising a cationic azo-dye of formula (I): W1-N=N-W2-W3, as well as the dyeing method using said composition and the novel compo...
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WO/2002/074865A1 |
A water-soluble disazo compound represented by the following general formula (1): (1) (wherein R¿1? and R¿2? each independently represents hydrogen, optionally substituted phenyl, etc.; R¿3? represents alkoxy, etc.; R¿4? and R¿5? ea...
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WO/2002/070609A1 |
A composition comprising: (a) a liquid medium; and (b) a compound comprising one or more chromorphoric groups and one or more hydrazine or hydrazide groups; wherein the liquid medium comprises water and an organic solvent, an organic sol...
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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...
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WO/2002/050196A2 |
The invention relates to a mehtod of pringing sheet-form substrates bz the inkjet printing process, which method comprises printing those materials with an aqueous ink comprising a) at least one dye of formula (I) wherein R¿1? and R¿2?...
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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,...
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WO/2002/044283A2 |
This invention relates to colorants comprising a chromophore having two azo acetoacetanilide moieties, wherein said moieties each have at least one poly(oxyalkylene) chain, preferably at least two such chains, Such colorants exhibit extr...
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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...
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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 ...
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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...
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WO/2002/006409A1 |
A water-base jet printing ink comprising a coloring matter and an aqueous medium as the main components, wherein at least one member selected from among dyes of the general formula (A) and salts thereof is contained as the coloring matte...
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WO/2001/074950A2 |
Mono- and Bis-Azo/Hydrazone Pyrrole Pigments and Methods for preparing same.
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WO/2001/060933A2 |
An oil-soluble dye prepared by subjecting a water-soluble dye having at least one group selected from the group consisting of sulfonate group and carboxyl group in its molecule to amidation; a water-based ink comprising the oil-soluble d...
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WO/2001/058856A1 |
A non-linear optically active compound, including at least two azo moieties linked by a linking group selected from the group consisting of a hydrocarbon group having at least 2 carbon atoms, a linear siloxyl group, and a cyclosiloxyl gr...
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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 (...
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WO/2001/030916A1 |
A compound of Formula (1) and salts thereof, wherein: A is a substituted phenyl group carrying a group of the formula -NR?3¿R?4¿ and an ortho carboxy group; n is 0 or 1; L?1¿ and L?2¿ are each independently H, optionally substituted ...
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WO/2001/030917A1 |
A compound of Formula (1) and salts thereof, wherein: A is a substituted phenyl group carrying a group of the formula -NR?3¿R?4¿ and an ortho group selected from sulpho, phosphonato and phosphinato; n is 0 or 1; L?1¿ and L?2¿ are eac...
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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¿ ...
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WO/2000/071622A1 |
Water-soluble dyes of formula (I) in which R¿1? is hydrogen, hydroxyl, C¿1-4? alkyl, C¿1-4? alkoxy, halogen or SO¿3?M, R¿2? is hydrogen, C¿1-4? alkyl or C¿3-6?-cycloalkyl, B is the radical of a carbocyclic, heterocyclic or methyle...
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WO/2000/069973A1 |
A reactive dye compound comprising: (a) at least one chromophore moiety, (b) at least one nitrogen-containing heterocycle, (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that...
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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...
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WO/2000/046309A1 |
Black-dyeing aqueous inks comprising 20 to 95 % by weight of at least one dye (A), together with 5 to 80 % by weight of at least one dye chosen from the group consisting of (B) and (C), based on the total weight of the dyes (A), (B) and ...
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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...
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WO/2000/039221A1 |
The invention relates to a method for producing a compound of formula A(D)¿x?(E)¿y? by reacting a compound of formula A(H)¿x?(H)¿y?, in the presence of a base which serves as a catalyst, with a diethyl pyrocarbonate of formula (I), w...
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WO/2000/037567A1 |
The invention relates to compounds which in the free acid form have the formula (I) in which the substituents have the meanings given in the description. Said compounds are extremely well suited for use as ink-jet inks.
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WO/2000/015723A2 |
A composition comprising: (a) a liquid medium comprising (i), (ii) or (iii): (i) a mixture of water and an organic solvent; (ii) an organic solvent free from water; or (iii) a low melting point solid; and (b) a dye of Formula (1) or a sa...
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WO/1999/063005A1 |
A dyestuff according to formula (I) or a salt thereof wherein the substituents have the definitions as defined in claim 1. The dyestuffs are useful for dyeing or printing nitrogen-containing or hydroxy-group-containing organic substrates...
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WO/1999/045017A1 |
An energy transfer reagent for DNA analysis, the reagent comprising a fluorophore and methyl red acceptor.
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WO/1999/031182A1 |
A mono-azo compound of Formula (1) and salts thereof wherein: A, G, L?1¿, L?2¿, R?1¿, R?2¿, R?3¿, R?4¿ and R?5¿ are defined in the description. Also claimed are inks, an ink jet printing process using the inks, a substrate printed...
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WO/1999/029782A1 |
A mono-azo compound of Formula (1) or a salt thereof wherein: A is N, C-Cl, C-CN or C-NO¿2?; R?1¿ is H or optionally substituted alkyl; G is H, sulpho, carboxy, optionally substituted alkyl, optionally substituted alkoxy, -CF¿3?, halo...
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WO/1999/021922A1 |
Compounds of Formula (1) and salts thereof wherein B?1¿, B?2¿, Q, R?1¿, R?2¿, A, Z?1¿ and Z?2¿ are defined in the description. Also claimed are compositions containing two or more compounds of Formula (1), inks containing the compo...
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WO/1999/016833A1 |
Compounds of formula (I) wherein D is the rest of a diazo component selected from the group having formulae (a), (b), (c) wherein A is OH or NH¿2?; R¿1? is independently H, C¿1-4?alkyl; R¿2? is hydrogen, C¿1-4?alkyl, C¿1-4?alkoxy, ...
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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?...
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WO/1999/001513A1 |
A composition comprising: a) a water-soluble magenta dye; and b) a dye of Formula (1) or a salt thereof, wherein R?1¿, R?2¿, R?3¿ are defined in the description. Also claimed are the above composition and a cyan colorant, inks contain...
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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...
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WO/1998/012263A1 |
Azo dyes of Formula (1) have utility as dyes for ink-jet printing, where Formula (1) comprises any suitable form of the compound: such as salt; stereoisomer, zwitterion, polymorph, complex, isotopic form, combinations thereof in the same...
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WO/1998/012264A1 |
Azo dyes of Formula (1) have utility as dyes for ink-jet printing which comprises any suitable form of the compound: such as salt, stereoisomer, zwitterion, polymorph, complex, isotopic form, combinations thereof in the same species and ...
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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/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/1996/024637A1 |
Reactive azo dyes having the formula (I), in which A stands for the residue of a diazo component and X is a fibre-reactive heterocyclic residue, are prepared by saponifying maleinylated azo dyes having the formula (IV), then by reacting ...
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WO/1996/024635A1 |
There is described a new yellow dye which can be used in an aqueous composition in an ink-jet printing process.
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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/1995/030717A1 |
A water-soluble dye comprising molecules which contain a nucleophilic group and an electrophilic group characterised in that (i) the molecules are capable of joining together by formation of a covalent bond between the nucleophilic group...
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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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