At Least Two Such Hetero Rings Attached Indirectly To Each Other By Nonionic Bonding Patents (Class 534/634)
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Patent number: 5837827Abstract: Compounds of the formula ##STR1## in which the variables have the meaning given in the claims, which are suitable as fibre-reactive dyes for dyeing or printing widely varying fibre materials are described.Type: GrantFiled: November 12, 1996Date of Patent: November 17, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Hans Reichert, Herbert Klier
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Patent number: 5831039Abstract: Fiber reactive azo dyes of the Formula (1) ##STR1## wherein the variables are as defined in the specification are useful for the dyeing of hydroxy- and carboxamido-containing materials, especially textile fiber materials, in clear shades with a high degree of fixation.Type: GrantFiled: April 15, 1998Date of Patent: November 3, 1998Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventor: Christian Schumacher
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Patent number: 5831038Abstract: Compounds of the formula ##STR1## in which the variables are as defined in the claims, which are suitable as fibre-reactive dyes for dyeing or printing widely varying fibre materials are described.Type: GrantFiled: November 12, 1996Date of Patent: November 3, 1998Assignee: Ciba Specialty Chemicals CorporationInventor: Hans Reichert
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Patent number: 5821347Abstract: Dyestuffs corresponding to the general formula ##STR1## are described in which the variables have the meaning given in the specification. These dyestuffs have fiber-reactive properties and dye materials containing hydroxy and/or carboxamide groups, in particular fiber materials, such as wool, synthetic polyamide fibers and, in particular, cellulose fibers, such as cotton, in deep shades with good fastness properties.Type: GrantFiled: December 20, 1996Date of Patent: October 13, 1998Assignee: Dy Star Textil farben Gmbh & Co. Deutschland KGInventor: Jorg Dannheim
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Patent number: 5808015Abstract: Dyestuffs of the formula ##STR1## wherein D is the radical of a carbo- or heterocyclic diazo component,X represents O, NH, NT, NCOT, NCCH.sub.2 T or NSO.sub.2 T,are preferably suitable, if m=n=l=o, for dyeing and printing hydrophobic synthetic fiber materials and mixtures thereof with naturally occurring fiber materials.Type: GrantFiled: September 18, 1996Date of Patent: September 15, 1998Assignee: Bayer AktiengesellschaftInventor: Rainer Hamprecht
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Patent number: 5789557Abstract: Reactive dyes of the formula ##STR1## where n is 1 or 2,R.sup.1 is hydrogen or hydroxysulfonyl,R.sup.2 is hydrogen or hydroxyl,R.sup.3 is substituted C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted phenyl,R.sup.4 is hydrogen or R.sup.3 and R.sup.4, together with the nitrogen atom linking them, form a heterocyclic radical andD is a radical of a diazo or tetrazo component, each having at least one mechanism,their use for dyeing or printing hydroxyl-containing or nitrogen-containing organic substrates, and novel aminonaphthalenes.Type: GrantFiled: March 27, 1997Date of Patent: August 4, 1998Assignee: Basf AktiengesellschaftInventors: Jurgen Dornhagen, Heike Kilburg, Manfred Patsch, Hermann Loffler, Ortwin Schaffer
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Patent number: 5770709Abstract: Water-soluble azo compounds, processes for their preparation and their use as dyestuffs.Water-soluble azo compounds are described which have fiber-reactive properties and are suitable as dyestuffs for dyeing material, in particular fiber material, containing hydroxy and/or carboxamide groups, such as, for example, cellulosic fiber materials, such as those of cotton, wool or nylon, and which have, as the radical of a diazo component, a radical of the formula ##STR1## in which R is hydrogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, halogen or sulfo, R.sup.o is hydrogen, alkyl having 1 to 4 carbon atoms, halogen, carboxy, aminocarbonyl, alkoxycarbonyl having 2 to 5 carbon atoms, sulfo or phenyl and R.sup.10 is hydrogen, alkyl having 1 to 4 carbon atoms or halogen, and which contain a fiber-reactive radical bonded to the coupling component via an amino group.Type: GrantFiled: September 8, 1997Date of Patent: June 23, 1998Assignee: DyStar Textilfarben GmbH & Co Deutschland KGInventor: Christian Schumacher
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Patent number: 5760193Abstract: Fiber-reactive azo dyes, processes for their preparation and their useAzo dyes of the formula (1) given and defined below are described, which dyes contain fiber-reactive groups and dye hydroxy- and/or carboxamido-containing materials, in particular fiber materials, such as cotton, wool and synthetic polyamide fibers, in shades of high color strength and good fastness properties. ##STR1## in which D is the radical of a diazo component from the benzene or naphthalene series, K is the radical of a coupling component of the formula (2) ##STR2## in which M is hydrogen or an alkali metal, a and b are each zero or 1, R.sup.1 and R.sup.2 are each hydrogen or substituted or unsubstituted alkyl, Y is attached to --NR.sup.1 -- or --NR.sup.Type: GrantFiled: November 15, 1996Date of Patent: June 2, 1998Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Werner Hubert Russ, Christian Schumacher, Wolfram Reddig
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Patent number: 5750662Abstract: Compounds of the formula ##STR1## in which the variables are as defined in the claims, which are suitable as fibre-reactive dyes for dyeing or printing widely varying fibre materials, are described.Type: GrantFiled: April 16, 1997Date of Patent: May 12, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Hans Reichert, Bernhard Muller, Athanassios Tzikas
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Patent number: 5744589Abstract: Compounds of the formulaX.sup.1 --B.sup.1 --D.sup.1 --N.dbd.N--K.sup.1 --Y--K.sup.2 --N.dbd.N--D.sup.2 --B.sup.2 --X.sup.2 (1)are suitable as reactive dyestuffs for the dyeing or printing of substrates.Type: GrantFiled: October 11, 1996Date of Patent: April 28, 1998Assignee: Bayer AktiengesellschaftInventor: Horst Jager
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Patent number: 5721343Abstract: Fiber-reactive monoazo and disazo compounds of the formulaD-N.dbd.N--Kwhich compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fiber material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.Type: GrantFiled: May 2, 1995Date of Patent: February 24, 1998Assignee: Clariant Finance (BVI) LimitedInventors: Paul Doswald, Rainer Nusser, Roland Wald
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Patent number: 5717078Abstract: Reactive dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,X.sub.1 and X.sub.2 are halogen,B.sub.1 is an aromatic or aliphatic bridge member, or the radical of the formula --N(R.sub.2)--B.sub.1 --N(R.sub.3)-- is a piperazine radical,A.sub.1 is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore and,A.sub.2 is a radical of the formula ##STR2## in which D.sub.1 is substituted or unsubstituted phenyl or naphthyl,R.sub.5 and R.sub.6 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl, alk is substituted or unsubstituted C.sub.2 -C.sub.6 alkylene andZ is vinyl or a radical --CH.sub.2 --CH.sub.2 --U.sub.1, and U.sub.1 is a leaving group, andthe radicals A.sub.1 and A.sub.Type: GrantFiled: August 22, 1996Date of Patent: February 10, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Athanassios Tzikas, Peter Aeschlimann
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Patent number: 5712376Abstract: Described are compounds of formula ##STR1## which are suitable as fiber-reactive dyes for dyeing a wide range of fiber materials.Type: GrantFiled: August 20, 1996Date of Patent: January 27, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Edmond Ruhlmann, Laszlo Fekete
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Patent number: 5698681Abstract: Fiber-reactive disazo dyes correspond to formula I, ##STR1## and they are present as free acids or in salt form. They are used as reactive dyes for dyeing or printing hydroxy-group-containing or nitrogen-containing organic substrates, especially leather or fibrous material, which consists of or contains natural or synthetic polyamides or natural or regenerated cellulose. The dyeings obtained have high fixation values and good light fastness.Type: GrantFiled: June 19, 1996Date of Patent: December 16, 1997Assignee: Clariant Finance (BVI) LimitedInventor: Paul Doswald
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Patent number: 5695843Abstract: A mixture of symmetrical and unsymmetrical nickel formazan dyes is disclosed. Optical recording elements containing the mixture are also disclosed.Type: GrantFiled: September 27, 1996Date of Patent: December 9, 1997Assignee: Eastman Kodak CompanyInventors: Derek David Chapman, Ramanuj Goswami
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Patent number: 5686584Abstract: Compounds of the formula ##STR1## in which the variables are as defined in the claims, and which are suitable as fibre-reactive dyes for dyeing and printing widely varying fibre materials, are described.Type: GrantFiled: November 15, 1995Date of Patent: November 11, 1997Assignee: Ciba-Geigy CorporationInventors: Rolf Deitz, Bernhard Muller, Athanassios Tzikas
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Patent number: 5684138Abstract: Reactive dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,B is an aliphatic bridge member,Y.sub.1 and Y.sub.2 independently of one another are halogen or carboxypyridinium,A.sub.1 is the radical of an anthraquinone, phthalocyanine, dioxazine, formazan or disazo dye or a radical of the formulae (2a) to (2h) defined in claim 1 andA.sub.2 is as defined above for A.sub.1 or is a radical of the formulae (2i) to (2m),where A.sub.1 and A.sub.2 have different meanings to one another, are particularly suitable for dyeing or printing fibre materials containing hydroxyl groups or containing nitrogen. Dyeings having good fastness properties coupled with a high tinctorial yield are obtained.Type: GrantFiled: May 29, 1996Date of Patent: November 4, 1997Assignee: Ciba Specialty Chemicals CorporationInventors: Herbert Klier, Bernhard Muller, Edmond Ruhlmann, Athanassios Tzikas
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Patent number: 5654410Abstract: Fibre-reactive monoazo compounds of the formula ##STR1## which compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fibre material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.Type: GrantFiled: August 19, 1996Date of Patent: August 5, 1997Assignee: Clariant Finance (BVI) LimitedInventors: Rainer Nusser, Roland Wald
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Patent number: 5631352Abstract: Dye mixtures which comprise at least one anionic acid dye of the formula ##STR1## together with at least one anionic acid dye of the formula ##STR2## in which the substituents are as defined in claim 1, and the novel dyes of the formulae (1) and (2) are direct dyes for cellulosic fibre materials in particular. They have a high heat stability and are particularly suitable for one-bath, one-stage dyeing of polyester/cotton blend fabrics with a disperse dye for the polyester fibres under the dyeing conditions for polyester fibres.Type: GrantFiled: June 2, 1995Date of Patent: May 20, 1997Assignee: Ciba-Geigy CorporationInventor: Urs Lauk
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Patent number: 5629410Abstract: The invention relates to compounds of formula ##STR1## wherein the variables are as claimed in the claims and which are suitable as fibre-reactive dyes for dyeing a wide range of fibre materials.Type: GrantFiled: October 11, 1995Date of Patent: May 13, 1997Assignee: Ciba-Geigy CorporationInventors: Rolf Deitz, Bernhard M uller, Athanassios Tzikas
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Patent number: 5625042Abstract: Novel reactive dyestuffs of the general formula ##STR1## in which A represents CH.dbd.CH, or CH.sub.2 --CH.sub.2 Z, in which Z denotes a substituent which can be split off under dyeing conditions,and in which the other groups have the meaning given in the description, show improved application properties.Type: GrantFiled: May 24, 1995Date of Patent: April 29, 1997Assignee: Bayer AktiengesellschaftInventors: Horst Jager, Joachim Wolff
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Patent number: 5616694Abstract: A compound of Formula (1) and salts thereof wherein the variables are as defined in the specification:Ar.sup.1 N.dbd.N-J-X-L-X-J-N.dbd.NAr.sup.2 (1)A compound of Formula (1) is suitable for use in the coloration of cellulosic substrates, such as paper, to give bright prints with good light and water fastness. It is especially suitable for use in the printing of paper by non-impact printing techniques, such as ink jet printing, especially thermal ink jet printing.Type: GrantFiled: July 12, 1995Date of Patent: April 1, 1997Assignee: Zeneca LimitedInventors: Ronald W. Kenyon, Prahalad M. Mistry
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Patent number: 5612463Abstract: The invention relates to dye mixtures which contain dyes of the formulae ##STR1## and to dyes of the formula ##STR2## in which A.sub.1, A.sub.2, A.sub.3, B, B.sub.1, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, Z.sub.1, Z.sub.2, X.sub.1, X.sub.2 and X.sub.3 are as defined in claim 1.The dyes and dye mixtures are distinguished by generally good properties and produce dyeings and prints having good wet and light fastness properties.Type: GrantFiled: May 31, 1995Date of Patent: March 18, 1997Assignee: Ciba-Geigy CorporationInventor: Athanassios Tzikas
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Patent number: 5599911Abstract: Reactive dyes of the formula ##STR1## in which the variables have the meanings stated in the claims, are described. The dyes according to the invention are particularly suitable for dyeing cellulosic fibre materials and give dyeings with good fastness properties and a high color yield.Type: GrantFiled: August 25, 1994Date of Patent: February 4, 1997Assignee: Ciba-Geigy CorporationInventors: Rolf Deitz, Bernhard M uller, Athanassios Tzikas
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Patent number: 5591834Abstract: Reactive dyestuffs of the formula ##STR1## in which Z is a cyano-free pyrimidine reactive group and the remaining groups have the meaning given in the description, are highly suitable for the dyeing and printing of hydroxyl- or amido-containing materials.Type: GrantFiled: December 22, 1994Date of Patent: January 7, 1997Assignee: Bayer AktiengesellschaftInventors: Konrad Bootz, Karl-Josef Herd
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Patent number: 5583207Abstract: Fibre-reactive 1:1 copper complexes of the formula ##STR1## which compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fibre material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.Type: GrantFiled: May 2, 1995Date of Patent: December 10, 1996Assignee: Sandoz Ltd.Inventors: Rainer Nusser, Roland Wald
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Patent number: 5578712Abstract: Fibre-reactive monoazo compounds of the formula ##STR1## which compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fibre material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.Type: GrantFiled: May 2, 1995Date of Patent: November 26, 1996Assignee: Sandoz Ltd.Inventors: Markus Doerr, Roland Wald
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Patent number: 5569747Abstract: Azo class reactive dyestuffs have been found which have the general formula (1) ##STR1## and in which Z.sup.1 and Z.sup.2 represent a reactive group from the pyrimidine series, X represents SR.sup.1, OR.sup.2 or NR.sup.3 R.sup.4, and the remaining substituents have the meanings given in the description, which dyestuffs are particularly suitable for dyeing hydroxyl- and amido-containing fibres, in particular cotton.Type: GrantFiled: August 25, 1994Date of Patent: October 29, 1996Assignee: Bayer AktiengesellschaftInventors: Horst Jager, Joachim Wolff
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Patent number: 5565553Abstract: Reactive dyes of the formula ##STR1## where A, K and Z are each as defined in the claims, are especially useful for dyeing or printing cellulosic fiber materials, producing dyeings and prints having good fastness properties in a high yield.Type: GrantFiled: January 11, 1996Date of Patent: October 15, 1996Assignee: Ciba-Geigy CorporationInventors: Rolf Deitz, Paul Herzig, Athanassios Tzikas
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Patent number: 5554732Abstract: Fibre-reactive disazo compounds of the formula ##STR1## which compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fibre material comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is a textile material comprising cotton.Type: GrantFiled: May 2, 1995Date of Patent: September 10, 1996Assignee: Sandoz LtdInventors: Rainer Nusser, Roland Wald
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Patent number: 5552532Abstract: Reactive dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,B is an aliphatic bridge member,Y.sub.1 and Y.sub.2 independently of one another are halogen or carboxypyridinium,A.sub.1 is the radical of an anthraquinone, phthalocyanine, dioxazine, formazan or disazo dye or a radical of the formulae (2a) to (2h) defined in claim 1 andA.sub.2 is as defined above for A.sub.1 or is a radical of the formulae (2i) to (2m),where A.sub.1 and A.sub.2 have different meanings to one another, are particularly suitable for dyeing or printing fibre materials containing hydroxyl groups or containing nitrogen. Dyeings having good fastness properties coupled with a high tinctorial yield are obtained.Type: GrantFiled: May 13, 1994Date of Patent: September 3, 1996Assignee: Ciba-Geigy CorporationInventors: Herbert Klier, Bernhard M uller, Edmond Ruhlmann, Athanassios Tzikas
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Patent number: 5541300Abstract: Trifunctional reactive dyestuffs of the formula ##STR1## a process for their preparation and their use, wherein D=the radical of a diazo component of the benzene or naphthalene series,K=the radical of a coupling component of the formula ##STR2## where the radical of the formula II and the azo group are linked to one another via the bond marked with *,X=a radical of the formula ##STR3## Z=a heterocyclic fibre-reactive radical which differs from X and the other substituents have the meaning given in the description.Type: GrantFiled: May 27, 1994Date of Patent: July 30, 1996Assignee: Bayer AktiengesellschaftInventors: Konrad Bootz, Eckhard Bock, Manfred Hoppe, Wolfram Reddig
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Patent number: 5532345Abstract: Compounds of the formula ##STR1## in which the variables are as defined in the claims, which are suitable as fibre-reactive dyes for dyeing or printing widely varying fibre materials, are described.Type: GrantFiled: May 26, 1995Date of Patent: July 2, 1996Assignee: Ciba-Geigy CorporationInventors: Paul Herzig, Anton Andreoli
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Patent number: 5512663Abstract: Reactive dyestuffs, a process for their preparation and their use and novel intermediates and a process for their preparation.Reactive dyestuffs of the formula (I) ##STR1## are described, in which A denotes a radical of the formula ##STR2## B denotes a bridging member, and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and X have the meanings given in the description.Type: GrantFiled: April 22, 1994Date of Patent: April 30, 1996Assignee: Bayer AktiengesellschaftInventor: Klaus Kunde
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Patent number: 5486600Abstract: Reactive dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R', A and Y.sub.1 are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fibre materials or naturally occurring or synthetic polyamide fibre materials with a high tinctorial yield, and produce dyeings and prints having good fastness properties.Type: GrantFiled: July 19, 1993Date of Patent: January 23, 1996Assignee: Ciba-Geigy CorporationInventors: Rolf Deitz, Athanassios Tzikas
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Patent number: 5484898Abstract: The invention relates to compounds of formula ##STR1## wherein the variables are as defined in the claims. The compounds are suitable for use as dyes, especially for dyeing and printing cellulosic fibre materials, and give dyeings and prints of good fastness properties.Type: GrantFiled: May 10, 1994Date of Patent: January 16, 1996Assignee: Ciba-Geigy CorporationInventors: Rolf Deitz, Athanassios Tzikas
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Patent number: 5473053Abstract: A compound of Formula (1) and salts thereof:Ar.sup.1 N.dbd.N--J--X--L--X--J--N.dbd.NAr.sup.2 (1)wherein: ##STR1## Ar.sup.1 and Ar.sup.2 are each independently aryl containing at least two carboxy groups; andL is a group of the Formula (3a) or (3b): ##STR2## in which T.sup.1 and T.sup.2 each independently is C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy or C.sub.3-4 -alkenyl;T.sup.3 and T.sup.4 each independently is H, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy or C.sub.3-4 -alkenyl provided that T.sup.3 and T.sup.4 are not both H;each X independently is a group of the Formula (4), (5) or (6): ##STR3## each Z independently is H, halogen, alkyl, NR.sup.1 R.sup.2, SR.sup.3 or 0R.sup.3 ;each Y independently is Z, SR.sup.4 or OR.sup.4 ;each E independently is Cl or CN; andR.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined in the specification.A compound of Formula (1) is suitable for use in the coloration of cellulosic substrates, such as paper, to give bright prints with good light and water fastness.Type: GrantFiled: January 7, 1994Date of Patent: December 5, 1995Assignee: Zeneca LimitedInventors: Ronald W. Kenyon, Prahalad M. Mistry
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Patent number: 5463031Abstract: Reactive dyestuffs of the formula ##STR1## in which the substituents have the meanings given in the description are highly suitable for the dyeing and printing of cellulose materials and nitrogen-containing materials.They produce dyeings and prints having good wet and light fastness properties.Type: GrantFiled: April 12, 1994Date of Patent: October 31, 1995Assignee: Bayer AktiengesellschaftInventors: Horst Jager, Frank-Michael Stohr, Karl K. Schundehutte
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Patent number: 5459245Abstract: Reactive dyestuffs which, in the form of the free acid, have the following formula ##STR1## in which the substituents have the meaning given in the description, are suitable for the dyeing and printing of hydroxyl- and amido-containing materials, in particular cellulose materials.Type: GrantFiled: October 27, 1994Date of Patent: October 17, 1995Assignee: Bayer AktiengesellschaftInventor: Horst Jaeger
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Patent number: 5459246Abstract: New reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein the substituents have the meaning given in the description, are suitable for dyeing and printing materials containing hydroxyl groups or amide groups, in particular cellulose materials.Type: GrantFiled: May 4, 1993Date of Patent: October 17, 1995Assignee: Bayer AktiengesellschaftInventors: Horst Jager, Klaus Wunderlich
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Patent number: 5459244Abstract: Novel polyfunctional azo reactive dyestuffs of the formula (I) ##STR1## in which Y denotes CH.sub.2 CH.sub.2 OSO.sub.3 H, CH.sub.2 CH.sub.2 Cl, CH.sub.2 CH.sub.2 OH or CH.dbd.CH.sub.2,X denotes F, Cl or OCH.sub.3, andR denotes hydrogen or C.sub.1 -C.sub.4 -alkyl, have been found, and a process for their preparation and their use for dyeing and printing hydroxyl- and amido-containing materials in hues having improved fastness properties are described.Type: GrantFiled: September 28, 1994Date of Patent: October 17, 1995Assignee: Bayer AktiengesellschaftInventor: Klaus Kunde
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Patent number: 5451665Abstract: The invention relates to dye mixtures which contain dyes of the formulae ##STR1## and to dyes of the formula ##STR2## in which A.sub.1, A.sub.2, A.sub.3, B, B.sub.1, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, Z.sub.1, Z,.sub.2, X.sub.1, X.sub.2 and X.sub.3 are as defined in claim 1.The dyes and dye mixtures are distinguished by generally good properties and produce dyeings and prints having good wet and light fastness properties.Type: GrantFiled: April 15, 1993Date of Patent: September 19, 1995Assignee: Ciba-Geigy CorporationInventor: Athanassios Tzikas
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Patent number: 5451666Abstract: A water-soluble dye having a reactive group of the Formula (1): ##STR1## wherein: R.sup.1 is H or optionally substituted alkyl;R.sup.2 is H or C.sub.1-4 -alkyl;L is a divalent organic spacer group; andV is vinyl or a group convertible to vinyl on treatment with aqueous alkali.The reactive dyes of the present invention are useful for coloring natural and artificial textile materials containing amino or hydroxyl groups.Type: GrantFiled: June 9, 1993Date of Patent: September 19, 1995Assignee: Zeneca LimitedInventor: Kenneth Anderton
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Patent number: 5449762Abstract: Reactive dyes of the formula I ##STR1## where n is 0 or 1R.sup.1, R.sup.2 and R.sup.3 are in each case hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.4 is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or a radical of the formula ##STR2## L is a bridge member, A is unsubstituted or substituted C.sub.2 -C.sub.8 -alkylene,Y is vinyl or a radical of the formula --CH.sub.2 --CH.sub.2 --Q, Q being a group which can be removed under alkaline reaction conditions, andD is phenyl or naphthyl, it being possible for these radicals to be substituted, and a process for preparing reactive dyes by oxidation of the abovementioned compounds are described.Type: GrantFiled: February 1, 1995Date of Patent: September 12, 1995Assignee: BASF AktiengesellschaftInventors: Matthias Wiesenfeldt, Bernd Siegel, Manfred Patsch
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Patent number: 5428140Abstract: Reactive dyes of the formula ##STR1## where n is 0 or 1R.sup.1, R.sup.2 and R.sup.3 are in each case hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.4 is fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or a radical of the formula ##STR2## L is a bridge member, A is unsubstitued or substituted C.sub.2 -C.sub.8 -alkylene,Y is vinyl or a radical of the formula --CH.sub.2 --CH.sub.2 --Q, Q being a group which can be removed under alkaline reaction conditions, andD is phenyl or naphthyl, it being possible for these radicals to be substituted,and a process for preparing reactive dyes by oxidation of the abovementioned compounds are described.Type: GrantFiled: June 6, 1994Date of Patent: June 27, 1995Assignee: BASF AktiengesellschaftInventors: Matthias Wiesenfeldt, Bernd Siegel, Manfred Patsch
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Patent number: 5420256Abstract: Reactive dyestuffs have the following formula ##STR1## in which D is the radical of an organic dyestuffB is a direct bond or a bridging member on a ring C atom of an aromatic-carbocyclic or on a ring C atom or N atom of an aromatic-heterocyclic ring in D,R.sub.a, R.sub.b, identical or different, are H, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkyl substituted by OH, CN, CO.sub.2 H, OSO.sub.3 H or SO.sub.3 H,U is Cl, F or a pyridinium radical which is unsubstituted or substituted by CO.sub.2 H, CONH.sub.2, SO.sub.3 H or C.sub.1 -C.sub.4 -alkyl,W is straight-chain or branched C.sub.1 -C.sub.6 -alkylene,Y is CH.dbd.CH.sub.2 or CH.sub.2 --CH.sub.2 --X, in whichX is a radical which can be eliminated by alkali,V is H, halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.3 -alkyl, CN, COOH, CONH.sub.2, SO.sub.3 H.Type: GrantFiled: January 27, 1993Date of Patent: May 30, 1995Assignee: Bayer AktiengesellschaftInventors: Thomas Eizenhofer, Wolfgang Harms, Karl-Josef Herd
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Patent number: 5410041Abstract: The invention relates to fibre-reactive dyes of formula ##STR1## wherein the variables are as defined in the claims. These dyes are especially suitable for dyeing cellulosic fibre materials and produce dyeings of good tinctorial strength and good fastness properties.Type: GrantFiled: August 13, 1993Date of Patent: April 25, 1995Assignee: Ciba Geigy CorporationInventor: Bernhard Muller
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Patent number: 5395925Abstract: Compounds of the formula ##STR1## wherein D is the residue of a metal-free azo dye free of fiber-reactive groups and containing 2 to 4 sulfo groups,D' is the residue of a metal-free azo dye free of fiber-reactive groups and containing 2 to 4 sulfo groups, with the proviso that D and D' are different,each R.sub.1 is independently hydrogen or C.sub.1-4 alkyl,each of R.sub.2 and R.sub.3 is independently hydrogen, C.sub.1-4 -alkyl or 2-, 3- or 4-hydroxy(C.sub.2-4 alkyl),X is linear or branched C.sub.2-10 alkylene or linear or branched C.sub.3-10 alkylene monosubstituted or disubstituted by hydroxy which optionally contains one or two radicals selected from --O-- and --NRa--, wherein Ra is hydrogen or C.sub.Type: GrantFiled: March 12, 1993Date of Patent: March 7, 1995Assignee: Sandoz Ltd.Inventors: Werner Koch, Kurt Brenneisen
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Patent number: 5386015Abstract: Compounds of the formula ##STR1## and salts thereof, and mixtures of such compounds and salts, wherein F.sub.c is ##STR2## wherein D.sub.1 is an unsubstituted or substituted phenyl or naphthyl diazo component radical,each of Q.sub.1, Q.sub.2 and Q.sub.3 is independently hydrogen or a substituent,each R.sub.5 is independently hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkoxy,each R.sub.6 is independently hydrogen, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, (C.sub.1-4 alkyl)carbonylamino or --NH--CO--NH.sub.2,R.sub.16 is hydrogen or --SO.sub.3 H,r is 1 or 2, andt is 2 or 3, andb is 1 or 2,whereineach R.sub.1 is independently hydrogen or C.sub.1-4 alkyl,each R.sub.7 is independently hydroxy, C.sub.1-4 alkoxy or --NH.sub.2,each Z is independently ##STR3## and each m is independently 0 or 1.Type: GrantFiled: July 9, 1993Date of Patent: January 31, 1995Assignee: Sandoz Ltd.Inventors: Paul Doswald, Werner Koch
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Patent number: 5359043Abstract: A water soluble dye having a reactive group of the formula: ##STR1## wherein: T is a labile atom or group; andR.sup.2 and R.sup.3 are each independently a non-chromophoric optionally substituted aryl or alkyl group.Type: GrantFiled: April 21, 1992Date of Patent: October 25, 1994Assignee: Zeneca LimitedInventors: Stephen B. Bostock, Michael G. Hutchings, John A. Taylor