The Hetero Ring And Benzene Ring, To Which An Azo Group Is Bonded Directly, Bonded Directly To The Same Nitrogen Patents (Class 534/638)
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Patent number: 5872228Abstract: Reactive dyestuffs of the formula (I) ##STR1## wherein A denotes the radical of a diazo component andX is a fibre-reactive heterocyclic radicalare obtained by hydrolysis of maleylated azo dyestuffs of the formula (IV) ##STR2## and subsequent reaction with reactive components of the formula X-Hal without intermediate isolation, the other substituents having the meaning given in the description.Type: GrantFiled: August 5, 1997Date of Patent: February 16, 1999Assignee: Bayer AGInventor: Klaus Kunde
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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: 5760195Abstract: Reactive dyes of the formula ##STR1## wherein D is a radical of the formula ##STR2## and R.sub.1, R.sub.2, R.sub.3, X.sub.1 and V.sub.1 are as defined in claim 1, are particularly suitable for dyeing or printing natural or synthetic polyamide fibre materials.Type: GrantFiled: November 19, 1996Date of Patent: June 2, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Urs Lehmann, Marcel Frick
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Monoazotriaziayl group-containing fiber reactive dyes, processes for their preparation and their use
Patent number: 5760194Abstract: Reactive dyes of the formula ##STR1## in which D is a radical of the formula ##STR2## are particularly suitable for dyeing or printing natural or synthetic polyamide fibre materials.Type: GrantFiled: November 19, 1996Date of Patent: June 2, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Urs Lehmann, Marcel Frick -
Patent number: 5747657Abstract: The invention relates to reactive-group-containing monoazo dyestuffs of formula (I), their salts or mixtures thereof, wherein R.sub.1 signifies hydrogen, methyl, methoxy or ethoxy, R.sub.2 signifies hydrogen, methyl, NHCONH.sub.2 or NHCOCH.sub.3, RG signifies (a), (b) or (c), X signifies hydrogen or chlorine, Z signify a group --CH=CH.sub.2, --CH.sub.2 CH.sub.2 W or mixtures thereof wherein W is a leaving group removable by alkali and --SO.sub.2 --Z may be bonded in a meta- or para-position with respect to the azo group. These compounds are useful as reactive dyestuffs in printing or dyeing hydroxy-group-containing or nitrogen-containing organic substrates.Type: GrantFiled: January 14, 1997Date of Patent: May 5, 1998Assignee: Clariant Finance (BVI) LimitedInventor: Friedrich Lehr
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Patent number: 5731421Abstract: Reactive dyes of the formula ##STR1## in which K and Z are as defined in claim 1, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high coloristic yield.Type: GrantFiled: June 30, 1995Date of Patent: March 24, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Athanassios Tzikas, Claudia Carisch
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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: 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: 5693765Abstract: Compounds of the formula ##STR1## and salts thereof, wherein eachR.sub.1 is independently hydrogen or C.sub.1-4 alkyl, andR.sub.2 is hydrogen; C.sub.1-6 alkyl; C.sub.2-4 alkenyl; C.sub.2-4 alkynyl; cyclohexyl; phenyl; phenyl substituted by 1 to 3 substituents selected from halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, --SO.sub.3 H and --COOH; phenyl (C.sub.1-4 alkyl); phenyl(C.sub.1-4 alkyl) the phenyl ring of which is substituted by 1 to 3 substituents selected from halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, --SO.sub.3 H and --COOH; or --W--Y,whereinW is linear or branched C.sub.1-6 alkylene, andY is --COOH, --COOC.sub.1-4 alkyl, --SO.sub.3 H, --OSO.sub.3 H, hydroxy, cyano, C.sub.1-4 alkoxy, --NH.sub.Type: GrantFiled: June 6, 1995Date of Patent: December 2, 1997Assignee: Clariant Finance (BVI) LimitedInventor: Paul Doswald
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Patent number: 5681937Abstract: Reactive dyes of the formula ##STR1## where n is 1 or 2R.sup.1 is hydrogen or hydroxyl andD is the radical of a diazo or tetrazo component with, in each case, at least one anchor radical of the formula SO.sub.2 --Y where Y is vinyl or substituted ethyl,and the use thereof for dyeing or printing organic substrates having hydroxyl groups or nitrogen atoms are described.Type: GrantFiled: March 26, 1996Date of Patent: October 28, 1997Assignee: BASF AktiengesellschaftInventors: Manfred Patsch, Heike Kilburg, Andrea Zamponi
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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: 5644040Abstract: Azo dyes of the formula (1) ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, ureido or halogen, X is chlorine or fluorine, B.sub.1 is phenyl, naphthyl or heterocyclic radical, and A.sub.1 is a radical of the formula (2) ##STR2## in which R.sup.7 is hydrogen, amino, N-mono- or N,N-di-C.sub.1 -C.sub.4 alkylamino or optionally substituted phenylamino and R.sub.8 is hydrogen or hydroxyl, or A.sub.1 is a radical of the formula (3) ##STR3## in which R.sub.9 is hydrogen, C.sub.1 -C.sub.8 alkyl or phenyl which is optionally substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.2 -C.sub.4 alkanoylamino, ureido, halogen or sulfo, R.sub.10 is hydrogen or C.sub.1 -C.sub.8 alkyl and R.sub.11 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.Type: GrantFiled: November 21, 1995Date of Patent: July 1, 1997Assignee: Ciba-Geigy CorporationInventor: Rudolf Hurter
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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: 5614613Abstract: A compound of the Formula (1) and salts thereof: ##STR1## wherein: R.sup.1 and R.sup.2 are each independently optionally substituted alkyl;R.sup.3 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 ##STR2## or --OR.sup.5 ; R.sup.4 is H or alkyl;R.sup.5 is H or optionally substituted alkyl or aryl; andm and n each independently have a value of 0 or 1.The compounds are useful for the coloration of textile materials.Type: GrantFiled: March 3, 1994Date of Patent: March 25, 1997Assignee: Zeneca LimitedInventor: John A. Taylor
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Patent number: 5597902Abstract: Reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein D is the radical of an organic dyestuff of the monoazo, polyazo or metal complex azo series and the other substituents have the meaning given in the description, show improved application properties.Type: GrantFiled: April 27, 1993Date of Patent: January 28, 1997Assignee: Bayer AktiengesellschaftInventors: Konrad Bootz, Manfred Hoppe, Eckhard Bock, Wolfram Reddig, Thomas Eizenh ofer, Wolfgang Harms, Karl-Joseph Herd
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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: 5569748Abstract: There are described novel monoazo dyes of the below-indicated and formula (1) which have fiber-reactive properties and are used as dyes for dyeing hydroxy- and/or carboxamido-containing material, in particular fiber material, such as wool and synthetic polyamide and in particular cellulose fiber materials, such as cotton. ##STR1## X, Y, M and m are as defined in claim 1.Type: GrantFiled: July 28, 1994Date of Patent: October 29, 1996Assignee: Hoechst AktiengesellschaftInventors: Uwe Reiher, Werner H. Russ
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Patent number: 5559215Abstract: Black fiber-reactive azo dye mixtures and use thereof for dyeing hydroxy- and/or carboxamido-containing fiber materialMixtures of fiber-reactive dyes are described which can be used to obtain deep black dyeings and prints on hydroxy- and/or carboxamido-containing fiber materials such as cellulose fiber materials, wool and synthetic polyamide fibers by the application methods which are customary in the art for fiber-reactive dyes. The dye mixtures comprise one or more disazo dyes of the formula (1) and one or more monoazo dyes of the formula (2) ##STR1## in which M is hydrogen or an alkali metal, R.sup.o is sulfo or carboxyl, R.sup.1 is hydrogen, methyl, ethyl, methoxy, ethoxy, sulfo or carboxy , R.sup.2 is hydrogen, methyl, ethyl, methoxy or ethoxy, Y is at each occurrence independently of the others vinyl, .beta.-chloroethyl, .beta.-phosphatoethyl, .beta.-thiosulfatoethyl or .beta.Type: GrantFiled: April 28, 1995Date of Patent: September 24, 1996Assignee: Hoechst AktiengesellschaftInventors: J org Dannheim, Werner H. Russ
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Patent number: 5554733Abstract: Reactive dyes of formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by hydroxyl, R.sub.2 and R.sub.3 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or sulfo, and Y is .alpha.,.beta.-dihalopropionyl or .alpha.-haloacryloyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials, in high tinctorial yield, and give dyeings and prints with good fastness properties.Type: GrantFiled: March 27, 1995Date of Patent: September 10, 1996Assignee: Ciba-Geigy CorporationInventors: Athanassios Tzikas, Rolf Deitz
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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: 5548071Abstract: The invention relates to compounds of the formula ##STR1## where the variables are each as defined in the claims. The compounds are suitable for use as dyes, in particular for dyeing and printing cellulose-containing fibre materials and produce dyeings and prints having good allround fastness properties.Type: GrantFiled: May 13, 1994Date of Patent: August 20, 1996Assignee: Ciba-Geigy CorporationInventors: Rolf Deitz, Athanassios Tzikas, Paul Herzig
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Patent number: 5541301Abstract: Reactive dyes of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen or C.sub.1 -C.sub.4 alkyl,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each independently of one another hydrogen, C.sub.1 -C.sub.4 alkyl,C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, ureido or halogen,X is chloro or fluoro,Z is a group of formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, and Y is a leaving group, andA is as defined in claim 1,are particularly suitable for dyeing or printing cellulosic fiber materials or natural or synthetic polyamide fiber materials in high tinctorial yield, and give dyeings and prints with good fastness properties.Type: GrantFiled: December 9, 1994Date of Patent: July 30, 1996Assignee: Ciba-Geigy CorporationInventors: Guido Jordine, Jean-Marie Adam
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Patent number: 5527886Abstract: Fiber-reactive compounds of the formulaX-O.sub.2 S-W.sub.1 [F.sub.c ]W.sub.2 -NR-Z,and water-soluble salts thereof each cation of which is independently a non-chromophoric cation, and mixtures of such compounds or water-soluble salts,whereinFc is a chromophore-containing radical of a monoazo, disazo, polyazo, formazan, anthraquinone, dioxazine, phenazine or azomethine dye, which is in metal-free or metal complex form,each of W.sub.1 and W.sub.2 is independently a direct bond or a bridging group which is attached to a carbon atom of an aromatic carbocyclic ring or to a carbon or nitrogen atom of an aromatic heterocyclic ring present in F.sub.c,X is --CH.dbd.CH.sub.2 or --C.sub.2-4 alkylene--Y, wherein Y is hydroxy or a group which can be split off under alkaline conditions,R is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkyl monosubstituted by hydroxy, halo, cyano, --SO.sub.3 H, --OSO.sub.3 H or --COOH, andZ is ##STR1## with the provisos as set forth herein.Type: GrantFiled: June 16, 1992Date of Patent: June 18, 1996Assignee: Sandoz Ltd.Inventors: Gunther Auerbach, Markus Dorr, Paul Doswald, Markus Gisler, Werner Koch, Helmut A. Moser, Roland Wald
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Patent number: 5516897Abstract: A high strength aqueous solution comprising a first and second dye each of which, in the free acid form, is of Formula (1): ##STR1## wherein: R.sup.1 is NH.sub.2 or alkyl;W is H, alkyl or alkoxy;X is a labile atom or group;A is ##STR2## Y is H or alkyl; Z is an optionally substituted phenyl group; andn has a value of 1 to 3;provided that(i) the groups defined by A in the first and second dye are different to one another; and(ii) the solution contains less than 5% by weight of inorganic compounds.Also claimed are compositions and dyes of Formula (1).Type: GrantFiled: March 7, 1995Date of Patent: May 14, 1996Assignee: Zeneca LimitedInventors: Brian Lamble, Aiden Lavery, John A. Taylor
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Patent number: 5514782Abstract: Water-soluble monoazo compounds of the formula ##STR1## are described, suitable as fiber-reactive dyes for dyeing hydroxy- and/or carboxamido-containing material, in particular fiber material, such as wool and cellulose fiber materials, in which D is phenylene which can be substituted by 1 or 2 substituents customary in diazo components of fiber-reactive dyes and/or by a group of the formula Y--SO.sub.2 --(CH.sub.2).sub.m -- where Y has one of the meanings given below and m is the number 1 or 2, or is naphthylene which can be substituted by 1 or 2 substituents customary in diazo components of fiber-reactive dyes, or is benzothiazol-2-yl containing the group aforementioned Y--SO.sub.2 --(CH.sub.2).sub.n -- bonded to the carbocyclic ring thereof and can be substituted by a further substituent customary in fiber-reactive dyes, n is the number zero, 1 or 2, the group Y-SO.sub.Type: GrantFiled: April 1, 1993Date of Patent: May 7, 1996Assignee: Hoechst AktiengesellschaftInventor: Jorg Dannheim
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Patent number: 5498700Abstract: Reactive dyestuffs of the formula ##STR1## produce bluish red dyes having excellent fastness properties on hydroxyl- and amido-containing fibre material.Type: GrantFiled: September 1, 1994Date of Patent: March 12, 1996Assignee: Bayer AktiengesellschaftInventors: Hermann Henk, Wilfried Hansmann
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Patent number: 5493010Abstract: The dyestuffs of the formula ##STR1## in which D is the radical of a diazo component,SO.sub.2 X is the radical of a fibre-reactive group,and the remaining substituents have the meaning given in the descriptionare suitable for dyeing and printing hydroxyl- and amido-containing materials.Type: GrantFiled: March 17, 1994Date of Patent: February 20, 1996Assignee: Bayer AktiengesellschaftInventors: Karl-Josef Herd, Konrad Bootz, Eckhard Bock, Manfred Hoppe, Klaus Kunde, Wolfram Reddig
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Patent number: 5488098Abstract: A monoazo compound of the following formula, ##STR1## wherein D is phenylene or naphthylene; X is halogeno, pyridinio or ##STR2## B is --OR.sub.3, --SR.sub.4, ##STR3## in which R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, r is 0 or 1, and E is O, SO, SO.sub.2, CH.sub.2 or NR.sub.8, in which R.sub.8 is hydrogen or C.sub.1 -C.sub.4 alkyl; R, R.sub.1, R.sub.2 and R.sub.7 are each hydrogen or alkyl; A.sub.1, A.sub.2 and A.sub.3 are each phenylene, naphthylene or alkylene; Z.sub.1, Z.sub.2 and Z.sub.3 are each --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Y, in which Y is a splittable group; and p is 0 or 1; which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.Type: GrantFiled: February 7, 1994Date of Patent: January 30, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Masayuki Miki, Kingo Akahori, Yutaka Kayane, Takeshi Washimi
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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: 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: 5436324Abstract: Improved reactive dyestuffs of the following formula (I) ##STR1## in which the substituents have the meaning given in the description. The improved reactive dyestuffs are highly suitable for the dyeing and printing of natural or synthetic OH-- and/or amido-containing materials, in particular, those made of cellulose and polyamides.Type: GrantFiled: July 23, 1992Date of Patent: July 25, 1995Assignee: Bayer AktiengesellschaftInventors: Wolfram Reddig, Karl-Josef Herd
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Patent number: 5432266Abstract: Preparation of water-soluble reactive dyes containing vinylsulphonyl and .beta.-sulphatoethylsulphonyl groups by the oxidation of dyes containing .beta.-hydroxyethylmercapto radicals, and then sulphation and, if appropriate, conversion of the .beta.-sulphatoethylsulphonyl radical to the vinylsulphonyl radical with bases.Type: GrantFiled: April 1, 1993Date of Patent: July 11, 1995Assignee: Bayer AktiengesellschaftInventors: Karl-Josef Herd, Peter Roschger
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Patent number: 5428141Abstract: Reactive dyestuffs which, as the free acid, have the following formula ##STR1## in which K is ##STR2## the bonding to the triazinyl radical taking place in each case via the amino function of K, and the remaining substituents have the meaning given in the description, are suitable in particular for the dyeing and printing of natural and synthetic OH- and/or amido-containing materials.Type: GrantFiled: November 24, 1992Date of Patent: June 27, 1995Assignee: Bayer AktiengesellschaftInventors: Karl-Josef Herd, Thomas Eizenhofer, Wolfgang Harms, Manfred Hoppe, Wolfram Reddig
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Patent number: 5420255Abstract: A process for the continuous reaction of halogenopyrimidines with amines, a halogenopyrimidine and an aqueous amine solution or suspension being passed into a reactor and the reaction product being subsequently conducted away, is described, characterized in that the starting materials are introduced into the reactor simultaneously and continuously with intensive mixing.Type: GrantFiled: February 22, 1994Date of Patent: May 30, 1995Assignee: Bayer AktiengesellschaftInventors: Siegbert Arnold, Hans-Georg Frosch, Manfred Hoppe, Wolfgang Mullers, Richard Sommer
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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: 5399674Abstract: Fiber-reactive dyestuffs, processes for their preparation and their useDyestuffs of the formula (1) are described ##STR1## The dyestuffs have fiber-reactive properties and dye materials containing hydroxy groups and/or containing carboxamide groups, in particular fiber materials, such as, for example, cellulose fibers, wool and synthetic polyamide fibers, in deep, fast shades by the methods known for this process.Type: GrantFiled: December 3, 1993Date of Patent: March 21, 1995Assignee: Hoechst AktiengesellschaftInventors: Jorg Dannheim, Werner H. Russ
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Patent number: 5391718Abstract: Reactive dyes of the formula ##STR1## in which K and Z are as defined in the disclosure, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high coloristic yield.Type: GrantFiled: February 26, 1993Date of Patent: February 21, 1995Assignee: Ciba-Geigy CorporationInventors: Athanassios Tzikas, Claudia Carisch
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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: 5380827Abstract: A water-soluble monoazodye having the following formula (I) in its free acid form: ##STR1## wherein X is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 W wherein W is a leaving group removable by alkali; R.sup.1 is methyl, --NHCONH.sub.2 or --NHCOT.sup.1 wherein T.sup.1 is methyl, ethyl, --CH.sub.2 CH.sub.2 COOH or --CH.dbd.CHCOOH; R.sup.2 is hydrogen, lower alkyl or lower alkoxy;and Z is ##STR2## wherein P is cyano or halogen, each of Q and U which are independent of each other, is halogen, V is halogen or ##STR3## and Y is halogen or a group of the following formula (1) or (2): ##STR4## wherein R.sup.3, A, R.sup.4 and E are as defined in the disclosure and G is as defined above, has a moderate yellow to orange color and is particularly suitable for dyeing cellulose fibers or nitrogen-containing fibers.Type: GrantFiled: April 20, 1993Date of Patent: January 10, 1995Assignee: Hoeshst Mitsubishi Kasei Co., Ltd.Inventors: Yousuke Takahashi, Yukiharu Shimizu, Toshio Hihara, Kiyoshi Himeno
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Patent number: 5378817Abstract: Reactive dyestuffs of the formula ##STR1## wherein Z=a heterocyclic reactive group and the remaining groups have the meaning given in the description, are outstandingly suitable for dyeing and printing materials containing hydroxyl groups or amide groups.Type: GrantFiled: January 15, 1993Date of Patent: January 3, 1995Assignee: Bayer AktiengesellschaftInventors: Konrad Bootz, Karl-Josef Herd
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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
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Patent number: 5359040Abstract: A monoazo compound represented by the following formula (I) in the free acid form: ##STR1## wherein X is an alkylamino, C.sub.5 -C.sub.7 cycloalkylamino, piperidino, pyrrolidino or morpholino group which is unsubstituted or substituted with a substituent other than sulfo, R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl, R.sub.1 and R.sub.2 independently of one another are each hydrogen, methoxy, ethoxy, methyl, ethyl, chloro, bromo, nitro, carboxy or sulfo, Z is vinyl or -CH.sub.2 CH.sub.2 Y in which Y is a group which is split by the action of an alkali and p is 0 or 1. This compound is a reactive dye suitable for dyeing or printing fiber materials containing hydroxyl group and/or amide group in red color. This compound is high in dissolvability and can give dyed or printed products excellent in dyeability such as build-up property and various fastnesses.Type: GrantFiled: October 20, 1992Date of Patent: October 25, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Kingo Akahori, Masayuki Miki, Takeshi Washimi, Yutaka Kayane
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Patent number: 5350838Abstract: A process for preparing monoazo dyes by coupling a aromatic diazonium salt with an amino-4-hydroxy-naphthalene sulfonic acid derivative at a temperature of 40.degree.-85.degree. C. The process of the invention provides a isomerically purer dye.Type: GrantFiled: February 8, 1993Date of Patent: September 27, 1994Assignee: Hoechst Celanese CorporationInventors: Mark A. Helle, Walter Helmling
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Patent number: 5349057Abstract: Water-soluble azo dyes and their heavy metal complex derivatives, such as copper, cobalt and chromium complex azo dyes are described, which have the general formula (1) shown below, have fiber-reactive properties and dye natural and synthetic hydroxyl- and/or carboxamido-containing materials, in particular fiber materials, such as wool and in particular cellulose fiber materials, by the dyeing and printing processes customary for fiber-reactive dyes, in hues which have high color strength and good fastness properties.Type: GrantFiled: January 10, 1992Date of Patent: September 20, 1994Assignee: Hoechst AktiengesellschaftInventors: Holger M. Buch, Hartmut Springer
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Patent number: 5319074Abstract: A metal-free dyestuff of the formula ##STR1## and metal complex thereof wherein: Fb=the radical of a dyestuff selected from the group consisting of mono- or polyazo, anthraquinone, phthalocyanine, formazan, dioxazine and triphenylmethane radicals,B and B'=a direct bond or an aliphatic or aromatic bridge member to a ring C atom of an aromatic-carbocyclic ring or to a ring C or N atom or an aromatic-heterocyclic ring in Fb,X=CH.dbd.CH.sub.2 or CH.sub.2 CH.sub.2 --Y, whereinY=OSO.sub.3 H, SSO.sub.3 H, OCOCH.sub.3, OPO.sub.3 H.sub.2, OSO.sub.2 CH.sub.3, SCN, NHSO.sub.2 CH.sub.3 --, Cl, Br, F, OCOC.sub.6 H.sub.5, OSO.sub.2 --C.sub.6 H.sub.4 CH.sub.3, ##STR2## R=H or C.sub.1 -C.sub.4 -alkyl, which is optionally be substituted by halogen, hydroxy, cyano, C.sub.1 -C.sub.4 -alkoxy, carboxyl, sulpho or sulphato,Z=a fiber-reactive radical of the formula ##STR3## wherein M=H, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -thioalkyl, F or CF.sub.Type: GrantFiled: January 24, 1992Date of Patent: June 7, 1994Assignee: Bayer AktiengesellschaftInventors: Wolfram Reddig, Karl-Josef Herd, Ernst Kysela