The Pentavalent Nitrogen Is A Ring Member Patents (Class 534/605)
- The hetero ring contains the pentavalent nitrogen (Class 534/607)
- Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding (Class 534/608)
- Acyclic carbon bonded directly to the azo group (Class 534/609)
- Additional hetero ring or polycyclo ring system having a hetero ring as one of the cyclos bonded directly to the azo group (Class 534/610)
- The hetero ring is one of the cyclos in a polycyclo ring system (Class 534/611)
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Patent number: 5175261Abstract: A water-soluble compound of Formula (1) which is useful for coloring e.g. cellulosic materials, animal furs and animal skins such as leather. ##STR1## wherein: A is optionally substituted phenylene or naphthylene;X is a cellulose-reactive group;p is greater than or equal to 1;T.sup.1 and T.sup.2 are each independently selected from H, CN, CO.sub.2 R.sup.2, CONR.sup.2 R.sup.3, COR.sup.2, alkyl, aralkyl, cycloalkyl, aryl or a heterocyclic radical, which are unsubstituted or substituted;Z is a divalent linking group containing from 2 to 6 carbon atoms;n is from 2 to 6;R.sup.1 is H or sulpho; andR.sup.2 and R.sup.3 are each independently H or C.sub.1-6 -alkyl;and salts thereof.Type: GrantFiled: August 1, 1991Date of Patent: December 29, 1992Assignee: Imperial Chemical Industries PLCInventor: Denis R. A. Ridyard
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Patent number: 5116956Abstract: A polyazo compound of the following formula, ##STR1## wherein X is ##STR2## --NR.sub.2 R.sub.3, --OR.sub.4 or --SR.sub.5, in which R.sub.1 is hydrogen or alkyl, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, A is phenylene, naphthylene or alkylene, Z is a fiber-reactive group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z' in which Z' is a splittable group, Y is pyridinio, and F is polyazo dye moiety carrying a fiber-reactive group like that represented by Z, 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: May 17, 1990Date of Patent: May 26, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tetsuya Miyamoto, Kazufumi Yokogawa, Yutaka Kayane, Takashi Omura, Takeshi Washimi, Naoki Harada, Kingo Akahori
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Patent number: 5104978Abstract: A monoazo compound represented by the following formula in the free acid form: ##STR1## wherein D is unsubstituted or substituted phenylene or naphthylene, X is unsubstituted or substituted pyridinio, Z is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 L in which L is a group capable of being split by the action of an alkali, and Y is --V--R in which V is --O-- or --S--, and R is hydrogen or which may be substituted alkyl, cyclohexyl, phenyl which may be substituted, naphthyl which may be substituted or benzyl which may be substituted, or ##STR2## in which R.sub.1 and R.sub.2 independently of one another are each hydrogen or unsubstituted or substituted alkyl, phenyl, naphthyl or benzyl, which is superior in solubility and useful for dyeing or printing fiber materials such as cellulose to a red color with superior build-up properties.Type: GrantFiled: November 20, 1989Date of Patent: April 14, 1992Assignee: Sumitomo Chemical Company, LimitedInventors: Kingo Akahori, Masayuki Miki, Takashi Omura, Naoki Harada, Takeshi Washimi
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Patent number: 5095102Abstract: Reactive dyestuffs of the formula ##STR1## in which A=H, halogen, alkyl, alkoxy, acylamino or amino,B=H, alkyl or alkoxy,X=--CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --Y, whereY=a radical which can be removed under alkaline conditions andZ=a fibre-reactive radical.Type: GrantFiled: August 13, 1990Date of Patent: March 10, 1992Assignee: Bayer AktiengesellschaftInventors: Karl-Josef Herd, Manfred Hoppe, Hermann Henk, Rolf Brockmann, Frank-Michael Stohr
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Patent number: 5077396Abstract: Compounds of the formula ##STR1## wherein each A is independently linear or branched C.sub.2-6 alkylene or linear or branched C.sub.3-6 alkylene substituted by hydroxy,each D is independently the radical of a diazo component of the benzene, azobenzene or naphthalene series, E is a divalent radical attached to each --N.sup..sym. R.sub.3 R.sub.4 -- radical through an aliphatic carbon atom,each R.sub.1 is independently hydrogen, C.sub.1-4 alkyl, cyclohexyl, phenyl or phenyl(C.sub.1-2 alkyl),each R.sub.2 is independently hydrogen, cyano, --COOR.sub.5, --CONR.sub.6 R.sub.7 or ##STR2## wherein R.sub.5 is hydrogen, C.sub.1-4 alkyl or phenyl(C.sub.1-2 alkyl),each of R.sub.6 and R.sub.7 is independently hydrogen or C.sub.1-4 alkyl,each R.sub.8 is independently C.sub.1-4 alkyl, and r is 0, 1, 2 or 3,each R.sub.3 is independently C.sub.1-4 alkyl or C.sub.1-4 alkyl monosubstituted by halo, cyano, hydroxy or phenyl,each R.sub.4 is independently hydrogen, C.sub.1-4 alkyl or C.sub.Type: GrantFiled: May 14, 1990Date of Patent: December 31, 1991Assignee: Sandoz Ltd.Inventors: Helmut A. Moser, Roland Wald
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Patent number: 5037964Abstract: (i) Metal-free compounds of the formula ##STR1## These compounds are useful as dyes for paper and textiles.Type: GrantFiled: October 17, 1986Date of Patent: August 6, 1991Assignee: Sandoz Ltd.Inventors: Helmut A. Moser, Roland Wald
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Patent number: 5037965Abstract: A monoazo compound represented by the following formula in the free acid form, ##STR1## wherein D is phenylene or naphthylene, R is hydrogen or alkyl, A is phenylene or naphthylene, Z.sub.1 and Z.sub.2 independently of one another are each vinylsulfonyl, .beta.-sulfatoethylsulfonyl and the like, and X is pyridinio or amino represented by the following formula ##STR2## wherein R.sub.1 and R.sub.2 independently of one another are each hydrogen, alkyl, phenyl, naphthyl or benzyl, which is useful for dyeing or printing fiber materials to give dyed or printed products of red color excellent in fastness properties with excellent build-up, level-dyeing and washing-off properties.Type: GrantFiled: November 21, 1988Date of Patent: August 6, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Toshihiko Morimitsu, Kingo Akahori, Yutaka Kayane, Naoki Harada, Takashi Omura
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Patent number: 5023324Abstract: Disazo and trisazo compounds free of sulfo groups which contain 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2 coupling component radicals, the preferred compounds being of the formula ##STR1## wherein R is a tetrazo component radical,each R.sub.1 is independently hydrogen, C.sub.1-4 alkyl, C.sub.2-4 hydroxyalkyl the hydroxy group of which is in other than the 1-position or --NR.sub.3 R.sub.4, wherein each of R.sub.3 and R.sub.4 is independently n-C.sub.1-4 alkyl,each R.sub.2 is independently hydrogen, n-C.sub.1-4 alkyl, n-C.sub.1-4 hydroxyalkyl or C.sub.1-4 alkoxy, andeach A.sup..crclbar. is an anion,and liquid and granulated dye compositions comprising such compounds, are useful for dyeing paper and basically dyeable substrates such as polymers and copolymers of acrylonitrile and dicyanoethylene and synthetic polyesters and polyamides modified to contain acid groups. Dyeings on paper are brilliant and possess good light fastness and good fastness to water and alcohol.Type: GrantFiled: July 29, 1986Date of Patent: June 11, 1991Assignee: Sandoz Ltd.Inventor: Helmut Moser
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Patent number: 5001226Abstract: Compounds of the formula ##STR1## 1:1 and 1:2 metal complexes thereof, salts of such compounds and metal complexes and mixture thereof, whereineach of B.sub.1 and B.sub.2 is independently hydroxy or amino,each D is independently ##STR2## wherein R is hydrogen, C.sub.1-4 alkyl, C.sub.5-6 cycloalkyl, phenyl, benzyl or phenylethyl,R.sub.1 is hydrogen, cyano, --COOR.sub.4, --CONR.sub.5 R.sub.6, --SO.sub.2 NR.sub.5 R.sub.6, ##STR3## wherein each R.sub.3 is independently hydrogen, C.sub.1-4 alkyl, --NR.sub.5 R.sub.6 or --CONR.sub.5 R.sub.6,R.sub.4 is C.sub.1-6 alkyl or phenyl(C.sub.1-3 alkyl),R.sub.7 is C.sub.1-4 alkyl,R.sub.8 is hydrogen or C.sub.1-4 alkyl, andR.sub.9 is --S--, --O-- or --NR.sub.5 --,R.sub.2 is hydrogen, hydroxy or C.sub.1-4 alkoxy,R.sub.2a is hydrogen, C.sub.1-4 alkyl or halo,M is hydrogen; C.sub.1-8 alkyl; (C.sub.1-4 alkoxy)C.sub.1-4 alkyl; C.sub.2-4 hydroxyalkyl; C.sub.5-6 cycloalkyl; C.sub.5-6 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyls; phenyl(C.sub.1-3 alkyl); phenyl (C.sub.Type: GrantFiled: December 19, 1989Date of Patent: March 19, 1991Assignee: Sandoz Ltd.Inventors: Helmut A. Moser, Roland Wald
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Patent number: 5001229Abstract: Basic dyestuffs of the formula ##STR1## or tautomeric forms thereof, whereinR.sub.1 and R.sub.2 stand for hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or halogen,Q - E stands for C-S, C-O, C-NH or N.sup..sym. -N.sup..crclbar.,A stands for C.sub.1 -C.sub.4 -alkylene,W stands for the radical of an aliphatic mono-, di-, tri-, tetra-, penta-, hexa- or heptamine, which can be protonated or quaternized,n stands for 0 to 1.5 andp stands for 1.3 to 10,are suitable for dyeing materials which can be dyed with basic dyestuffs.Type: GrantFiled: December 16, 1988Date of Patent: March 19, 1991Assignee: Bayer AktiengesellschaftInventors: Gunter Franke, Peter Wild
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Patent number: 4968781Abstract: A reactive dye of the formula ##STR1## in which Fa is the radical of an organic dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, T is a negative substituent, one X is a detachable substituent and the other X is a group of the formula ##STR2## A is arylene, V is hydrogen, a substituted or unsubstituted C.sub.1 -C.sub.4 alkyl radical or a radical of the formula --(CH.sub.2).sub.q --SO.sub.2 --Z, Z is a --CH.dbd.CH.sub.2 or CH.sub.2 --Y radical and Y is an inorganic or organic radical which is detachable under alkaline conditions, q, m and n are independently of one another an integral number from 2 to 6, R and R' are independently of one another hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl, and r is 1 or 2.Type: GrantFiled: March 28, 1988Date of Patent: November 6, 1990Assignee: Ciba-Geigy CorporationInventors: Karl Seitz, Karl Hoegerle
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Patent number: 4956456Abstract: The present invention is directed towards a betaine-type monoazo dye for dying and printing fibrous materials, represented by formula (I):Dye--X--Y (I)wherein Dye represents a cyan dye anion represented by formula (II);X represents a bond or linking group;Y represents quaternary ammonium; andDye and X are bonded to each other via A, B.sup.1, B.sup.2, B.sup.3, B.sup.4 or B.sup.5 in formula (II): ##STR1## wherein B.sup.1, B.sup.2, B.sup.3, B.sup.4 and B.sup.5 are the same or different, and each represents a member selected from the group consisting of a bond, hydrogen, alkyl, halogen, --OR.sup.4, --CO.sub.2 R.sup.4, ##STR2## wherein R.sup.4 and R.sup.5 are the same or different and each represents a member selected from the group consisting of hydrogen, alkyl and aryl, or R.sup.4 and R.sup.Type: GrantFiled: December 1, 1989Date of Patent: September 11, 1990Assignee: Fuji Photo Film Co., Ltd.Inventors: Masaaki Tsukase, Kozo Sato
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Patent number: 4940783Abstract: Disazo dyes which are suitable for dyeing and printing, especially of paper of all kinds. The dyes correspond to the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each an alkyl radical,A is an alkylene radical,X and Y are nonionic substituents customarily in azo dyes andAn.sup..crclbar. is an anion.Type: GrantFiled: August 30, 1988Date of Patent: July 10, 1990Assignee: Ciba-Geigy CorporationInventor: Willy Stingelin
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Patent number: 4935499Abstract: Paper is colored by a process in which a compound which, in the form of the free acid, is of the formula I ##STR1## where, in each case independently of one another, A is unsubstituted or methyl substituted C.sub.1 -C.sub.6 -alkylene or vinylene,R is each hydrogen or C.sub.1 -C.sub.4 -alkyl,X is each --CO-- or --SO.sub.2 --,K is each a cationic group andY is hydrogen, chlorine or bromine.Type: GrantFiled: September 27, 1988Date of Patent: June 19, 1990Assignee: BASF AktiengesellschaftInventors: Manfred Ruske, Hans-Juergen Degen
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Fiber-reactive dyes containing an aniline radical which carries two different vinylsulfonyl moieties
Patent number: 4929719Abstract: Reactive dyes which are particularly suitable for dyeing and printing cellulose containing fiber materials by the cold padbatch process and which produce, in high dye yield, dyeings and prints having good fastness properties containing the radical of an amine of the formula ##STR1## in which R is hydrogen, halogen, hydroxyl or sulfo, Z is a radical of the formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, Y is a detachable group, R' is hydrogen or C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by --COOH, --CN, --OH or --SO.sub.3 H, and E is a radical of the formula ##STR2## in which R' and Z are as defined above, alk, alk' and alk" independently of one another are a C.sub.1 -C.sub.6 alkylene radical, U is hydrogen, halogen, hydroxyl, sulfato, C.sub.1 -C.sub.4 alkanoyloxy, cyano, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, carbamoyl or a radical --SO.sub.2 --Z in which Z is as defined above, V is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.Type: GrantFiled: August 10, 1989Date of Patent: May 29, 1990Assignee: Ciba-Geigy CorporationInventors: Hansrudolf Schwander, Athanassios Tzikas, Peter Aeschlimann -
Patent number: 4921945Abstract: Disazo dyes which are useful for dyeing and printing, of the formula ##STR1## in which: D is the radical of a substituted or unsubstituted, homocyclic or heterocyclic diazo component, V.sup.1 and V.sup.2 independently of one another are hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, halogen or cyano, X is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, halogen, cyano or a group of the formula --NH--CHO, --NH--CO--NH.sub.2, --NH--CO--NH--Q or --NH--CO--(0).sub.m --Q in which m is zero or 1 and Q is substituted or unsubstituted C.sub.1 -C.sub.4 alkyl or phenyl, Z is C.sub.1 -C.sub.4 alkyl--CO--, --CN, --COO--C.sub.1 -C.sub.4 alkyl, --CONH.sub.2 or --CO--C.sub.6 H.sub.5, R.sup.1, R.sup.2 and R.sup.3 independently of one another are in each case a substituted or unsubstituted alkyl radical or R.sup.1 and R.sup.2, together with the nitrogen atom linking them, or R.sup.1, R.sup.2 and R.sup.Type: GrantFiled: May 25, 1988Date of Patent: May 1, 1990Assignee: Ciba-Geigy CorporationInventor: Willy Stingelin
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Patent number: 4900812Abstract: Compounds of the formula ##STR1## and water-soluble salts thereof each cation of which is independently a non-chromophoric cation, whereinMe is cobalt, copper or nickel,Pc is the phthalocyanine radical,each R.sub.1 and R.sub.2 is independently hydrogen or C.sub.1-6 alkyl,each R.sub.4 is independently hydrogen, halo, hydroxy, C.sub.1-4 alkoxy, C.sub.1-4 alkyl, carboxy or sulfo,each R.sub.6 is hydrogen, cyano, carbamoyl or ##STR2## wherein An .crclbar. is a non-chromophoric anion,each R.sub.7 is hydrogen, C.sub.1-4 alkyl, C.sub.5-6 cycloalkyl, phenyl, benzyl, phenylethyl or carboxy,each W is linear or branched C.sub.2-6 alkylene; linear or branched C.sub.3-6 alkylene monosubstituted by hydroxy; linear or branched C.sub.2-6 alkylene interrupted by ##STR3## wherein R.sub.11 is linear or branched C.sub.Type: GrantFiled: January 29, 1988Date of Patent: February 13, 1990Assignee: Sandoz Ltd.Inventors: Helmut A. Moser, Roland Wald
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Patent number: 4898933Abstract: Water-soluble azo compounds having useful fiber-reactive dye properties conforming to the general formula ##STR1## in which: A is phenylene which may be substituted by lower alkoxy, lower alkyl, chlorine, sulfo and carboxy, or is a radical of the formula ##STR2## in which W is a direct bond or a radical of the formula --CH.dbd.CH-- or --NH--CO--NH-- and R* denotes hydrogen, nitro, sulfo, carboxy, methyl, ethyl, methoxy or ethoxy;n is the number zero or 1;B is a radical of the formula ##STR3## where R is equal to carboxy or carbamoyl; M is hydrogen or an alkali metal;K is a radical of the formula ##STR4## in which D is phenylene which may be substituted by chlorine, bromine, lower alkyl, lower alkoxy, carboxy and sulfo, or unsubstituted or sulfo substituted naphthylene;R.sup.1 is hydrogen, chlorine, lower alkyl or lower alkoxy;R.sup.2 is hydrogen or lower alkyl;G is carboxy, methyl or lower carbalkoxy;Y is vinyl, .beta.-sulfatoethyl or .beta.-chloroethyl;m is the number zero or 1;Z is .alpha.- or .beta.Type: GrantFiled: May 5, 1989Date of Patent: February 6, 1990Assignee: Hoechst AktiengesellschaftInventors: Ludwig Schlafer, Hartmut Springer, Reinhard Hahnle
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Patent number: 4897469Abstract: Azo reactive dyes of the aniline series for dye or printing fiber materials of the formula ##STR1## wherein K is the radical of a coupling component, and Z is a vinyl sulfonyl reactive group ortho- or para- to the azo bridge.Type: GrantFiled: April 1, 1988Date of Patent: January 30, 1990Assignee: BASF AktiengesellschaftInventors: Heinz Eilingsfeld, Ruediger Iden
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Patent number: 4883866Abstract: Methine-azo compounds of the formula ##STR1## in which A is the complement to a heterocyclic 5- or 6-membered ring which has a quaternized N atom as a ring member, which can contain further hetero atoms and which can be substituted and/or fused with carbocyclic or heterocyclic rings,R is hydrogen, cyano or C.sub.2 -C.sub.3 -alkylene which is bonded to an N atom of ring A to form a 5- or 6-membered ring,B is substituted or unsubstituted phenylene or naphthylene,X.sup..crclbar.Type: GrantFiled: February 29, 1988Date of Patent: November 28, 1989Assignee: Ciba-Geigy CorporationInventor: Peter Mockli
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Patent number: 4880916Abstract: Azo dyes of the formula ##STR1## or tautomers thereof, wherein Z is N,S or CH,X is O,S,NR.sup.2 or N, V is N or CH, W is N or C, K is a coupling component from the group consisting of acylacetarylamides, phenols, pyridones, quinolines, pyrazoles, indoles, diphenylamines, aminopyridines, pyrimidines, pyrimidones, naphthols, naphthylamines, aminoathiozoles, thiophenes and hydroxypyridines, R is unsubstituted or substituted alkyl or alkenyl, R.sup.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, nitro, --CN, --NHR.sup.2, --NH--acyl, phenoxy, --COOR.sup.2, --COOR.sup.2 --CONHR.sup.2 or substituted or unsubstituted phenyl, R.sup.2 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 alkyl or substituted or unsubstituted phenyl, D is a 1,4-phenylene radical which can be substituted further and AN.THETA.Type: GrantFiled: March 24, 1988Date of Patent: November 14, 1989Assignee: Ciba-Geigy CorporationInventor: Jean-Marie Adam
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Patent number: 4875903Abstract: Compounds of the formula ##STR1## wherein each R.sub.1 is independently hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkyl monosubstituted by hydroxy, halo, cyano or C.sub.1-4 alkoxy,each of X.sub.1 and X.sub.3 is independently halo, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, phenyl, phenoxy, amino or an aliphatic, cycloaliphatic, aromatic or heterocyclic amino group,each of X.sub.2 and X.sub.4 is independently an aliphatic, cycloaliphatic, aromatic or heterocyclic amino group containing at least one protonatable nitrogen atom or quaternary ammonium group,m is 0 or 1, andeach of n.sub.1 and n.sub.2 is independently 0 or 1, with the proviso that n.sub.1 +n.sub.2 is 1 or 2,wherein each halo is independently fluoro, chloro or bromo, with the provisos that (1) the total number of basic and cationic groups present as X.sub.1 -X.sub.Type: GrantFiled: June 5, 1987Date of Patent: October 24, 1989Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
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Patent number: 4873319Abstract: Disazo dyes which are suitable for dyeing and printing, especially of paper of all kinds. The dyes correspond to the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each an alkyl radical, A is an alkylene radical, n is 1 or 2, V, X, Y and Z are nonionic substituents customarily in azo dyes, K is a pyrimidine coupling and An is an anion.Type: GrantFiled: September 25, 1987Date of Patent: October 10, 1989Assignee: Ciba-Geigy CorporationInventor: Willy Stingelin
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Patent number: 4865990Abstract: A colored compound containing a cationic group and a cellulose reactive group, especially a compound of the formula:A--Y--B IY'--B IIwhereinA is the cationic group;Y is a chromophore;Y' is a cationic chromophoreandB is the reactive group, which is suitable for the preparation of a protein adsorbent or precipitant for use in the separation of mixtures of proteins.Type: GrantFiled: July 9, 1987Date of Patent: September 12, 1989Assignee: Imperial Chemical Industries PlcInventors: Cecil V. Stead, Christopher R. Lowe
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Patent number: 4847364Abstract: Methine-azo compounds of the formula ##STR1## in which A is the complement to a heterocyclic 5- or 6-membered ring which has a quaternized N atom as a ring member, which can contain further hetero atoms and which can be substituted or/and be fused with carbocyclic or heterocyclic rings,R is hydrogen, cyano or C.sub.2 --C.sub.3 -alkylene which is bonded to an N atom of ring A to form a 5- or 6-membered ring,B is substituted or unsubstituted phenylene or naphthylene,X.sup..crclbar. is an anion andKK is the radical of an open-chain coupling component which contains active methylene groups, except that, if A is the complement to a pyridinium ring, KK cannot be the radical of acetoacetanilide which is unsubstituted or alkyl-substituted in the aniline ring.They are suitable for use as dyes for dyeing and printing cationically dyeable substrates, in particular paper.Type: GrantFiled: June 16, 1987Date of Patent: July 11, 1989Inventor: Peter Mockli
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Patent number: 4845202Abstract: Water-soluble disazo compounds having useful fiber-reactive dye properties, which conform to the general formula (1) defined hereinafter and dye carboxamido- and/or hydroxy-containing materials in fast shades. Fast dyeings on cellulose fiber materials can also be obtained in a weakly acid to neutral pH range, for example together with disperse dyes for dyeing a polyester fiber portion. ##STR1## in which: A is phenylene which may be substituted by methyl, ethyl, methoxy, chlorine or sulfo, or is a radical of the formula ##STR2## in which G is a direct bond or a group of the formula --CH.dbd.CH-- or --NH--CO--NH-- and R.sup.1 and R.sup.Type: GrantFiled: October 23, 1987Date of Patent: July 4, 1989Assignee: Hoechst AktiengesellschaftInventors: Ludwig Schlafer, Hartmut Springer, Reinhard Hahnle
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Patent number: 4839468Abstract: Triazine compounds which in their betaine form correspond to the formula ##STR1## wherein Y denotes hydrogen or the radical of an azo dye-stuff,R denotes hydrogen or alkyl,Ar denotes arylene,Z denotes halogen, hydroxyl, alkoxy, alkyl, aryl or an amino group which may be monosubstituted or disubstituted,m denotes 0 or 1 andX.sup.(+) denotes an ammonium groupamd whereimthe cyclic and acyclic radicals can carry further substituents,are used for dyeing/coloring natural and synthetic substrates and compositions, in particular paper.Type: GrantFiled: November 13, 1984Date of Patent: June 13, 1989Assignee: Bayer AktiengesellschaftInventors: Horst Nickel, Peter Wild, Frank-Michael Stohr
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Patent number: 4820806Abstract: Metal-free monoazo and disazo compounds of the formulaCH.sub.2 .dbd.CH--SO.sub.2 --W.sub.1 --D--N.dbd.N--K--(W.sub.2 --Z).sub.n,1:1 and 1:2 metal complexes of such metallizable metal-free compounds and acid addition salts of such metal-free compounds and 1:1 and 1:2 metal complexes, whereinD is the radical of a diazo component of the benzene, naphthalene or tetrahydronaphthalene series,K is the radical of a coupling component of the benzene, naphthalene, pyrazol-5-one, pyridine, pyridone, barbituric acid, quinoline, isoquinoline, benzeneazobenzene, benzeneazonaphthalene, naphthaleneazobenzene, naphthaleneazonaphthalene, tetrahydronaphthaleneazobenzene, tetrahydronaphthaleneazonaphthalene or acetoacetamide series,W.sub.1 is a direct bond or a divalent bridging radical,each W.sub.Type: GrantFiled: February 28, 1986Date of Patent: April 11, 1989Assignee: Sandoz, Ltd.Inventors: Werner Baumann, Joseph V. Diest, Herbert Eichenberger, Max Oppliger
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Patent number: 4777247Abstract: A dyestuff which, in the form of its free acid, corresponds to the formula ##STR1## wherein W=a direct bond or a bridge member to a C atom of the naphthalene nucleus C or the benzene nucleus A, wherein the bridge member is ##STR2## wherein R=H or C.sub.1 -C.sub.4 -alkyl,alkylene=C.sub.2 -C.sub.5 -alkylene andarylene=unsubstituted or substituted phenylene,R.sub.1, R.sub.2 and R.sub.3 =H--, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, hydroxyl, halogen, carboxyl, sulphonamido, nitro, alkyl or arylcarbonylamino, --SO.sub.3 H, --SO.sub.2 --CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 --CH.sub.2 --Z,whereinZ=--OSO.sub.3 H, --SSO.sub.3 H, OPO.sub.3 H.sub.2, --OCOCH.sub.3, dialkylamino, or quaternary ammoniumR.sub.4 =H or C.sub.1 -C.sub.4 -alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkoxy, --OSO.sub.3 H, --SO.sub.3 H, --COOH or hydroxyl.X=a fibre-reactive radical,p=1 or 2,q=0 or 1,l, m and n=0 or 1,k=1 or 2 andMe=Cu.Type: GrantFiled: April 6, 1987Date of Patent: October 11, 1988Assignee: Bayer AktiengesellschaftInventor: Hermann Henk
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Patent number: 4764599Abstract: Sulfo-free compounds of the formula ##STR1## where R is hydrogen or C.sub.1 -C.sub.4 -alkyl andK.sup.1 and K.sup.2 independently of one another are a radical of a coupling component, and the rings A and B may furthermore be monosubstituted or polysubstituted by fluorine, chlorine, bromine, nitro, methyl, trifluoromethyl, ethyl, acetyl, benzoyl, a carboxylic ester group, unsubstituted or substituted carbamyl or sulfamyl, an aryl sulfonate group, C.sub.1 -C.sub.4 -alkylsulfonyl, unsubstituted or substituted phenylsulfonyl, cyano or acylamino or a fused ring, are very useful as pigments for coloring printing inks, surface coatings or plastics.Type: GrantFiled: September 30, 1986Date of Patent: August 16, 1988Assignee: BASF AktiengesellschaftInventors: Horst Colberg, Erwin Hahn
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Patent number: 4754024Abstract: The invention relates to reactive dyes of the formula ##STR1## wherein D is the radical of a diazo component, R.sub.1 and R.sub.2 are each independently an unsubstituted or substituted alkyl or alkenyl group, Y is a --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --X radical in which X is a fibre-reactive radical, and the benzene ring A may be further substituted. These dyes are suitable for dyeing and printing textile fibre material and yield dyeings and prints of good fastness properties.Type: GrantFiled: August 25, 1986Date of Patent: June 28, 1988Inventor: Hansrudolf Schwander
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Patent number: 4754021Abstract: Methine-azo compounds of the formulae ##STR1## in which A is the complement to a heterocyclic 5- or 6-membered ring which has a quaternized N atom as a ring member, which can contain further hetero atoms and which can be substituted and/or be fused with carbocyclic or heterocyclic rings,R is hydrogen, cyano or C.sub.2 -C.sub.3 -alkylene which is bonded to an N atom of ring A to form a 5- or 6-membered ring,B is substituted or unsubstituted phenylene or naphthylene,m and n independently of each other are the numbers 1 or 2, in the formula (I) at least one of the two symbols m and n being the number 2 and where in the case m=2 the two B's are identical or different,KK is the radical of a coupling componentX.sup..crclbar. is an anion and Y is a bridge member. These compounds can be used for dyeing and printing in particular polyacrylonitrile, acid-modified polyester and especially paper.Type: GrantFiled: August 21, 1985Date of Patent: June 28, 1988Assignee: Ciba-Geigy CorporationInventor: Peter Mockli
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Patent number: 4742160Abstract: Metal-free compounds of the formula ##STR1## and 1:1 and 1:2 metal complexes thereof, and salts of the metal-free compounds and 1:1 and 1:2 metal complexes, whereR is hydrogen, --SO.sub.3 H or --NR.sub.5 R.sub.6 ;R.sub.a is hydrogen or --NR.sub.5 R.sub.6 ;R.sub.1 is hydrogen, halogen, --OH, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or --SO.sub.3 H;R.sub.3 is hydrogen or C.sub.1-4 alkyl;R.sub.4 is halogen, --OH, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, phenyl, --NH.sub.2, an aliphatic, cycloaliphatic or aromatic amino group, a heterocyclic amino group containing 1 to 3 hereto atoms or a hydrazino group,R.sub.5 is hydrogen or C.sub.1-4 alkyl; andR.sub.6 is an organic radical, are useful as cationic dyes for dyeing and printing fibers, threads and textile materials comprising, for example, a natural or regenerated cellulosic material such as cotton, a modified synthetic polyamide or polyester, and a homo- or co-polymer of acrylonitrile or 1,1-dicyanoethylene, bast fibers such as hemp and particularly paper and leather.Type: GrantFiled: February 28, 1986Date of Patent: May 3, 1988Assignee: Sandoz Ltd.Inventors: Jacky Dore, Reinhard Pedrazzi
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Patent number: 4736021Abstract: There are described azo compounds of the formula ##STR1## wherein K is an optionally quaternized basic group,X is the radical COOR, in which R is an alkyl group or a substituted or unsubstituted phenyl group, or X is the radical CONHR', in which R' is an alkyl group or a substituted or unsubstituted phenyl group; and wherein the benzene rings B and/or D can be further substituted;and the use thereof as dyes for the dyeing of textile materials, and particularly for the dyeing of paper of all types, especially bleached, lignin-free, unsized paper.Type: GrantFiled: September 13, 1982Date of Patent: April 5, 1988Assignee: Ciba-Geigy CorporationInventors: Jean-Marie Adam, Pierre Galafassi
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Patent number: 4694075Abstract: The compounds of the formula ##STR1## where Y is hydrogen, chlorine, bromine or nitro, Z is hydrogen, chlorine, bromine, a sulfonic ester group or unsubstituted or substituted sulfamyl, X is --O-- or ##STR2## R is alkylene which may or may not be interrupted by oxygen or ##STR3## m is 0 or 1, p is 1 or 2, R.sup.1 and R.sup.2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, or aryl, or R.sup.1 and R.sup.2 together with the nitrogen form a heterocyclic structure, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, R.sup.6 and R.sup.7 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkoxy or acylamino, K is a radical of a coupling component, A.crclbar. is an anion, R.sup.4 is unsubtituted or substituted alkyl and R.sup.5 is hydrogen or C.sub.1 -C.sub.Type: GrantFiled: January 21, 1986Date of Patent: September 15, 1987Assignee: BASF AktiengesellschaftInventors: Horst Colberg, Erwin Hahn
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Patent number: 4675388Abstract: Polymers comprising two the more recurring units of formula ##STR1## wherein A.sub.1 is an aromatic bridging groupeach K.sub.1 is independently the radical of a coupling component,E is an aliphatic, aromatic or aromatic heterocyclic bridging radical,each R.sub.1 and R.sub.2 is independently C.sub.1-4 alkyl substituted C.sub.1-4 alkyl, C.sub.3-6 alkenyl or substituted C.sub.3-6 alkenyl orboth R.sub.1 's together with the nitrogen atom to which they are attached and/or both R.sub.2 3 s together with the nitrogen atom to which they are attached form a morpholinium, piperidinium or pyrrolidinium group, andeach A.sup..crclbar. is independently a non-chromophoric anion, are useful as dyes, particularly for dyeing paper and leather.Type: GrantFiled: November 13, 1984Date of Patent: June 23, 1987Assignee: Sandoz Ltd.Inventors: Manfred Greve, Emil J. Moriconi, Helmut Moser
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Patent number: 4673735Abstract: A compound of formula I ##STR1## in metal-free; 1:1 or 1:2 metal complex form and, when an acid group is present, in free acid or acid addition salt form, in which R.sub.1 is hydrogen or --N.dbd.N--D where D is a diazo component and R, T and B are organic radicals defined in the text.Type: GrantFiled: April 9, 1984Date of Patent: June 16, 1987Assignee: Sandoz Ltd.Inventors: Helmut Moser, Manfred Greve, Reinhard Pedrazzi, Roland Wald
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Patent number: 4670546Abstract: Compounds of the formula ##STR1## in metal-free, 1:1 or 1:2 metal complex form, or in acid addition salt form, where the symbols are defined in the specification, useful as dyes for, for example, regenerated cellulose, cotton, synthetic polyamides and polyesters modified to contain acid groups and polymers and copolymers of acrylonitrile and 1,1-dicyanoethylene.Type: GrantFiled: June 28, 1984Date of Patent: June 2, 1987Assignee: Sandoz Ltd.Inventors: Jacky Dore, Reinhard Pedrazzi
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Patent number: 4667021Abstract: A chromium complex compound represented as the free acid form by the formula (I): ##STR1## wherein X.sup.1 represents a hydrogen atom, a methyl group, a methoxy group or a sulfonic acid group; X.sup.2, X.sup.3 and X.sup.4 represent independently a hydrogen atom, a chlorine atom, a methyl gorup, a methoxy group, a carboxyl group or a sulfonic acid group; Y represents a hydrogen atom or a sulfonic acid group; Z represents a chlorine atom, a fluorine atom or --N.sup.30 (R).sub.3 (R represents a C.sub.1 to C.sub.4 -alkyl group), ##STR2## and M represents a hydrogen atom or an alkali metal, a process for producing the chromium complex compound (I) and a method for dyeing cellulosic fibers with the same. The chromium complex compound represented by formula (I) is excellent in affinity to cellulosic fibers and in color-yield, build-up properties and fastness properties. These compounds are dyes for cellulosic fibers.Type: GrantFiled: September 26, 1984Date of Patent: May 19, 1987Assignee: Nippon Kayaku Kabushiki KaishaInventors: Junji Toda, Eiichi Ogawa
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Patent number: 4665162Abstract: Metal-free azo compounds of the formula ##STR1## wherein Ra is an aromatic group or an active methylene coupling component radical as defined in the specification,R.sub.t is an arylazo group or a group of the formula --Y--Z,whereinY is a direct bond or a bridging radical, andZ is a basic amino or quaternary ammonium group, ##STR2## wherein each of the variables is as defined above or below, x is a direct bond or a bridging radical,x is hydrogen, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, amino or carboxy,ring B is further unsubstituted or further substituted,d is 0, 1 or 2, andn is 0 or 1,with the provisos that (i) the compounds contain an average of at least 1.3 basic water-solubilizing groups, and (ii) the compounds are free of sulfo groups, and 1:1 and 1:2 metal complexes thereof, which metal-free compounds and metal complexes are useful as dyes for leather and paper.Type: GrantFiled: June 18, 1985Date of Patent: May 12, 1987Assignee: Sandoz Ltd.Inventors: Paul Doswald, Emil Moriconi, Helmut Moser, Horst Schmid
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Patent number: 4656256Abstract: Compounds of the formula ##STR1## where Y is chlorine or bromine, Z is hydrogen, chlorine, bromine, a sulfonic ester group, nitro or unsubstituted or substituted sulfamyl, X is --O-- or ##STR2## R is alkylene which may or may not be interrupted by oxygen, ##STR3## m is 1 or 2, n is 0 or 1, p is 0, 1 or 2, q is 1 or 2, R.sup.1 and R.sup.2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl or aryl, or R.sup.1 and R.sup.2, together with the nitrogen atom, form a heterocyclic structure, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, B is hydrogen or C.sub.1 -C.sub.4 -alkyl, B.sup.1 is hydrogen, hydroxyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkyl, A.sup.- is an anion, R.sup.4 is unsubstituted or substituted alkyl, R.sub.5 is hydrogen or C.sub.1 -C.sub.Type: GrantFiled: May 16, 1985Date of Patent: April 7, 1987Assignee: BASF AktiengesellschaftInventors: Horst Colberg, Hans-Juergen Degen, Johannes P. Dix
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Patent number: 4654384Abstract: Novel water-soluble triazine compounds of the formula ##STR1## in which D and D.sub.1 independently of one another are radicals of diazo components, R and R.sub.1 independently of one another are hydrogen or C.sub.1 -C.sub.4 -aklyl, X is a monosubstituted or disubstituted amino group, a C.sub.1 -C.sub.4 -alkoxy group or an aryloxy group, the symbols Y are basic or cationic groups, which can be identical or different, l is 2, 3, 4, 5 or 6 and n is 0 or 1, and the number of basic and/or cationic groups Y in the molecule must be equal to or greater than the number of SO.sub.3 H groups are useful as dyes for dyeing and printing textile materials, leather and in particular, paper. The dyeings have good general fastness properties and the effluents remain colorless.Type: GrantFiled: January 12, 1984Date of Patent: March 31, 1987Assignee: Ciba-Geigy CorporationInventors: Visvanathan Ramanathan, Peter Mockli
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Patent number: 4626589Abstract: A compound of the formula, ##STR1## wherein D is an organic dye moiety, R.sub.1 and R.sub.2 are independently hydrogen or a substituted or unsubstituted lower alkyl group, R.sub.3 is hydrogen or a substituted or unsubstituted lower alkyl, phenyl or naphthyl group, X.sub.1 and X.sub.2 are independently hydrogen, halogen or a lower alkyl, cyano, carbamoyl, vinyl, .beta.-hydroxyethyl, .beta.-sulfoethyl, .beta.-sulfatoethyl, carboxyl, carboxylic acid ester or sulfonic acid group, and Z is appended to the above-defined D or R.sub.3 and stands for --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Y, in which Y is a group capable of being split by the action of an alkali, which is useful for dyeing hydroxyl or amido group-containing fiber materials with excellent build-up properties, thereby giving dyed products having excellent various fastness properties.Type: GrantFiled: February 7, 1985Date of Patent: December 2, 1986Assignee: Sumitomo Chemical Company, LimitedInventors: Takashi Omura, Yutaka Kayane, Mikoto Takahashi, Tetsuya Miyamoto, Akira Takeshita, Naoki Harada, Katsumasa Otake
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Patent number: 4594410Abstract: Azo dyes of the formula ##STR1## and external salts thereof, wherein F is the residue of a monoazo or disazo compound in 1:1 metal complex form or of a trisazo, disazoazoxy or tetrakisazo compound in metal-free or 1:1 metal complex form,each X is independently --NR.sub.2 --Q--NR.sub.3 R.sub.4 or --NR.sub.2 --Q--N.sup..sym. R.sub.5 R.sub.6 R.sub.7,whereinQ is linear or branched C.sub.2-6 alkylene or --NH--CO--CH.sub.2 --,R.sub.2 is hydrogen or C.sub.1-4 alkyl,each of R.sub.3 and R.sub.4 is independently hydrogen; C.sub.1-6 alkyl; C.sub.2-6 alkyl monosubstituted by cyano or hydroxy in the 2-, 3-, 4-, 5- or 6-position; phenyl(C.sub.1-3 alkyl); phenyl(C.sub.1-3 alkyl) having, on the phenyl ring, 1, 2 or 3 substituents selected from chloro, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; C.sub.5-6 cycloalkyl or C.sub.5-6 cycloalkyl substituted by 1, 2 or 3 C.sub.1-4 alkyl groups or --NR.sub.3 R.sub.Type: GrantFiled: August 18, 1982Date of Patent: June 10, 1986Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
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Patent number: 4591635Abstract: Metal-free compounds and 1:1 and 1:2 metal complexes of the formula ##STR1## or a 1:2 metal complex of a metal-free compound of said formula and a metallizable azo compound not of said formula, whereineach K is independently a coupling component radical of the pyrazolone-5, 5-aminopyrazole, pyridone, 2,6-diaminopyridine, .beta.-naphthol, acetic acid ester, acetic acid amide or N-substituted N,N-disubstituted aniline series,each K.sub.1 is independently ##STR2## wherein R.sub.3 is hydrogen, C.sub.1-4 alkyl, phenyl or benzyl,R.sub.4 is C.sub.1-4 alkyl, (C.sub.1-4 alkoxy)-carbonyl or --CO--N(R.sub.8).sub.2, wherein each R.sub.8 is independently hydrogen or C.sub.1-4 alkyl,R.sub.5 is amino or hydroxy,R.sub.5a is hydroxy,T is hydrogen, cyano, ##STR3## or (C.sub.1-4 alkyl)carbonyl, wherein R.sub.7, R.sub.10, R.sub.12, Z.sub.a and A.crclbar. are as defined in the specification,each R.sub.1 is independently hydrogen, halo, hydroxy, C.sub.1-4 alkoxy or C.sub.1-4 alkyl, orR.sub.1 and R.sub.Type: GrantFiled: November 10, 1983Date of Patent: May 27, 1986Assignee: Sandoz Ltd.Inventors: Manfred Greve, Helmut Moser
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Patent number: 4587292Abstract: Metal-free azo compounds of the formula ##STR1## wherein Ra is an aromatic group or an active methylene coupling component radical as defined in the specification,R.sub.t is an arylazo group or a group of the formula --Y--Z, whereinY is a direct bond or a bridging radical, andZ is a basic amino or quaternary ammonium group,R is ##STR2## wherein each of the variables is as defined above or below, X is a direct bond or a bridging radical,x is hydrogen, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, amino or carboxy,ring B is further unsubstituted or further substituted,d is 0, 1 or 2, andn is 0 or 1,with the provisos that (i) the compounds contain an average of at least 1.3 basic water-solubilizing groups, and (ii) the compounds are free of sulfo groups, and 1:1 and 1:2 metal complexes thereof, which metal-free compounds and metal complexes are useful as dyes for leather and paper.Type: GrantFiled: August 18, 1982Date of Patent: May 6, 1986Assignee: Sandoz Ltd.Inventors: Paul Doswald, Emil Moriconi, Helmut Moser, Horst Schmid
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Patent number: 4562247Abstract: There are described azo compounds of the formula ##STR1## wherein D.sub.1 and D.sub.2 are each the radical of a diazo component, R is C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 alkyl substituted by C.sub.1 -C.sub.4 -alkoxy or halogen or is phenyl or phenyl substituted by C.sub.1 -C.sub.4 -alkyl, halogen or C.sub.1 -C.sub.4 alkoxy, and Y is a basic or cationic group. These azo compounds can be used as dyes for dyeing and printing natural and synthetic, cationically dyeing substrates, particularly textile materials and paper.Type: GrantFiled: May 29, 1984Date of Patent: December 31, 1985Assignee: Ciba Geigy CorporationInventor: Visvanathan Ramanathan
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Patent number: 4550158Abstract: Metal-free azo compounds of the formula ##STR1## wherein Ra is an aromatic group or an active methylene coupling component radical as defined in the specification,R.sub.t is an arylazo group or a group of the formula -Y-Z,whereinY is a direct bond or a bridging radical, andZ is a basic amino or quaternary ammonium group, ##STR2## wherein each of the variables is as defined above or below, X is a direct bond or a bridging radical,x is hydrogen, hydroxy C.sub.1-4 alkyl, C.sub.1-4 alkoxy, amino or carboxy,ring B is further unsubstituted or further substituted,d is 0, 1 or 2, andn is 0 or 1,with the provisos that (i) the compounds contain an average of at least 1.3 basic water-solubilizing groups, and (ii) the compounds are free of sulfo groups,and 1:1 and 1:2 metal complexes thereof,which metal-free compounds and metal complexes are useful as dyes for leather and paper.Type: GrantFiled: August 18, 1982Date of Patent: October 29, 1985Assignee: Sandoz Ltd.Inventors: Paul Doswald, Emil Moriconi, Helmut Moser, Horst Schmid
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Patent number: 4544737Abstract: Water-soluble triazine compounds which, in their betaine form correspond to the formula ##STR1## wherein R.sub.1 denotes hydrogen or alkyl,R.sub.2 and R.sub.3 independently of one another denote hydrogen, alkyl, alkenyl or aralkyl,X denotes halogen, hydroxyl, alkoxy, alkyl, aryl or an optionally monosubstituted or disubstituted amino group, the substituents of which can be involved--optionally via a hetero-atom--in cyclization, andY denotes hydrogen or the radical of an azo dyestuff,and whereinthe cyclic and acyclic radicals can carry further substituents,are used--when Y represents the radical of an azo dyestuff--for dyeing synthetic and natural materials, in particular paper, and--when Y represents hydrogen--for the preparation of azo dyestuffs.Type: GrantFiled: March 9, 1984Date of Patent: October 1, 1985Assignee: Bayer AktiengesellschaftInventors: Frank-Michael Stohr, Horst Nickel
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Patent number: 4517357Abstract: Dyestuffs of the formula ##STR1## wherein U and W independently of each other are radicals of the formulae ##STR2## A is a bifunctional aromatic radical which is free of anionic groups, Q is a direct bond or a bridge member,X is a radical of the formula --COCH.sub.3, --CN, --COOCH.sub.3, --COOC.sub.2 H.sub.5, --CONH.sub.2, --COC.sub.6 H.sub.5 or --CON(R.sub.3)--Y--N(R.sub.5 R.sub.6 R.sub.7) .sup.(+) An .sup.(-),Y is a divalent bridge member or a direct bond,R.sub.1 and R.sub.2 independently of each other are hydrogen or a nonionic substituent,R.sub.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl or .beta.- or .gamma.-C.sub.2 -C.sub.4 -hydroxyalkyl,R.sub.5 -R.sub.7 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkyl which is substituted by hydroxyl, amino, C.sub.1 -C.sub.4 -alkylamino, di-C.sub.1 -C.sub.4 -alkylamino or tri-C.sub.1 -C.sub.4 -alkylammonium, phenyl or benzyl orR.sub.5 and R.sub.Type: GrantFiled: August 30, 1982Date of Patent: May 14, 1985Assignee: Bayer AktiengesellschaftInventors: Klaus Kunde, Frank-Michael Stohr