Additional Ring Bonded Directly To The Hetero Ring Or To The Polycyclo Ring System Patents (Class 534/764)
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Patent number: 8101731Abstract: The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates necessary for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper. The dyes are of formula (14), (15) or (16) in which R1 represents hydrogen, C1-C4alkyl, C1-C4alkoxy or SO3H, R2 represents SO3H or CO2H, R3 represents hydrogen, C1-C4alkyl, halogen, hydroxy, C1-C4alkoxy, carboxy, NH2 or NHC1-C4alkyl, R3a represents hydrogen or NH2 and A1 and A2, independently of the other, is selected from the group consisting of an acetoacetylated amine, a derivative of barbituric acid, a 2,4,6-triaminopyrimidine derivative, a pyridone derivative, an aminopyrazole or a pyrazolone derivative and a benzoic acid derivative, or A1 and A2, each one independently of the other, represent a certain phenol residue.Type: GrantFiled: March 29, 2010Date of Patent: January 24, 2012Inventors: Michael Lennartz, Adolf Käser, Sandra Weiss
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Patent number: 7723494Abstract: The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates necessary for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.Type: GrantFiled: January 4, 2008Date of Patent: May 25, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Michael Lennartz, Adolf Käser, Sandra Weiss
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Patent number: 7510605Abstract: To provide a dye which has a good hue, which can form an image showing a high fastness under various using conditions and environmental conditions, and which is particularly suited for an ink, the dye is represents by formula (1): wherein R1 and R2 each independently represents a monovalent group, Z represents a nitrogen atom or a carbon atom to which a hydrogen atom or a monovalent group is bonded, and M represents a hydrogen atom or a cation, provided that the dye has two azo groups.Type: GrantFiled: February 3, 2005Date of Patent: March 31, 2009Assignee: Fujifilm CorporationInventors: Toru Harada, Yoshiharu Yabuki, Takashi Ozawa, Keiichi Tateishi
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Publication number: 20030143726Abstract: The present invention provides biosensors which include or are fabricated using optically sensitive moieties. The use of optically sensitive moieties provides advantages in the synthesis of the biosensors. Further the inclusion of optically sensitive moieties in the biosensor membrane provides an increase in the sensitivity of detection.Type: ApplicationFiled: February 5, 2003Publication date: July 31, 2003Applicant: Australian Membrane and Biotechnology Research InstituteInventors: Peter D. Osman, Christopher J. Burns, Alistair S. Martin, Lionel G. King
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Patent number: 5725641Abstract: Aqueous inks are provided for use in vehicles employing from about 10 to about 40 wt % of one or more organic solvents; and optionally up to about 5 wt % of an additive independently selected from the group consisting of surfactant, buffer, biocide, and mixtures thereof. The inks comprise, by weight, from about 1 to about 10 wt % Reactive Black 31 dye in either or both of its hydrolyzed forms, namely vinyl sulfone form and ethyl hydroxy form. Ink-jet inks made using the Pacified Reactive Black 31 provide improved lightfastness across a range of printing media while providing reliable ink-jet pen performance.Type: GrantFiled: October 30, 1996Date of Patent: March 10, 1998Inventor: Cheryl A. MacLeod
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Patent number: 5663309Abstract: Azo dyes of the formula ##STR1## in which R.sub.1 is hydrogen or substituted or unsubstituted phenylamino,R.sub.2 is hydrogen, amino or N-mono- or N,N-di-C.sub.1 -C.sub.4 alkylamino,R.sub.3 is hydrogen or hydroxyl,R.sub.4 is 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 andK is as defined in claim 1,the azo dyes of the formula (1) comprising at least one and not more than two sulfo groups,are particularly suitable for dyeing or printing cellulosic fibre materials or naturally occurring or synthetic polyamide fibre materials with a high dyeing yield, and give dyeings and prints with good fastness properties.Type: GrantFiled: December 5, 1995Date of Patent: September 2, 1997Assignee: Ciba-Geigy CorporationInventor: Rudolf Hurter
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Patent number: 5510468Abstract: There are described benzophenoneazo dyes of the formula ##STR1## where the ring A can be benzofused and a benzofused ring A can be overbridges,m is 1 or 2,K is the radical of a coupling component,Y is hydrogen or arylazo,one of the two radicals X.sup.1 and X.sup.2 is hydrogen and the other is hydroxysulfonyl,R.sup.1, R.sup.2 and R.sup.3 are independently of the others hydrogen, halogen, C.sub.1 -C.sub.12 -alkyl, cyclohexyl, phenyl, 2-hydroxy-ethylsulfonyl or C.sub.1 -C.sub.4 -alkoxy or, when m is 1 and Y is hydrogen, one of these substituents can also be the radical of the formula ##STR2## where L.sup.1 is a chemical bond or a bridge member, and X.sup.1, X.sup.2, R.sup.4, K and the ring A are each as defined above, andR.sup.4 is hydrogen, halogen or C.sub.1 -C.sub.Type: GrantFiled: July 27, 1994Date of Patent: April 23, 1996Assignee: BASF AktiengesellschaftInventors: Gunther Lamm, Helmut Reichelt, Ortwin Schaffer
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Patent number: 5493011Abstract: Water-insoluble azo colorants, their preparation and use The invention relates to monoazo and disazo compounds of the formula (I) ##STR1## in which D is the radical of a carbocyclic or heterocyclic diazo or bisdiazo component, R.sup.1 and R.sup.2, independently of one another, are each a substituted or unsubstituted aryl or heteroaryl radical, X.sup.1 and X.sup.2, independently of one another, are each ring-forming ether oxygen or a substituted or unsubstituted imide grouping and n has the value 0 or 1, in which rings A and B, independently of one another, can each be additionally substituted and/or carry substituted or unsubstituted fused rings.These new compounds of the formula (I) are obtained by coupling diazotized amines or diamines of the type D--NH.sub.2 or H.sub.2 N--D--NH.sub.2 with (benzoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides.Depending on the presence and length of alkyl chains, the compounds of the formula (I) are suitable for use as pigments, disperse dyes or oil-soluble dyes.Type: GrantFiled: November 6, 1992Date of Patent: February 20, 1996Assignee: Hoechst AGInventors: Rudiger Jung, Reinhold Deubel
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Patent number: 5391720Abstract: Disclosed is an imidazole azo dye of formula (I), which is useful for image formation and as a filter dye, which has a sharp absorption wave and which is fast to light, heat, air, moisture and chemicals. Also disclosed is a thermal transfer dye-donating material containing imidazole azo dye(s) of formula (I) preferably along with aminopyrazole azo dye(s) of formula (II). The material gives a high-density image with good color reproduction, and the image formed has improved storage stability. ##STR1## In (I), B and C independently represent a hydrogen atom or a substituent capable of being substituted in the imidazole ring; A represents an aryl or heterocyclic group; provided that when B is a hydrogen atom, C is not a hydrogen atom nor an alkyl group having from 1 to 3 carbon atoms; provided that when C is a hydrogen atom, B is not a substituted nor unsubstituted alkyl group; provided that C is not a mercapto group or an alkylthio group; and provided that B is not a carboxyl group.Type: GrantFiled: December 3, 1992Date of Patent: February 21, 1995Assignee: Fuji Photo Film Co., Ltd.Inventors: Hisashi Mikoshiba, Tomomi Tateishi
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Patent number: 5380859Abstract: There are described benzophenoneazo dyes of the formula ##STR1## where the ring A can be benzofused and a benzofused ring A can be overbridged,m is 1 or 2,K is the radical of a coupling component,Y is hydrogen or arylazo,one of the two radicals X.sup.1 and X.sup.2 is hydrogen and the other is hydroxysulfonyl,R.sup.1, R.sup.2 and R.sup.3 are independently of the others hydrogen, halogen, C.sub.1 -C.sub.12 -alkyl, cyclohexyl, phenyl, 2-hydroxyethylsulfonyl or C.sub.1 -C.sub.4 -alkoxy or, when m is 1 and Y is hydrogen, one of these substituents can also be the radical of the formula ##STR2## where L.sup.1 is a chemical bond or a bridge member, andX.sup.1, X.sup.2, R.sup.4, K and the ring A are each as defined above, andR.sup.4 is hydrogen, halogen or C.sub.1 -C.sub.Type: GrantFiled: July 16, 1993Date of Patent: January 10, 1995Assignee: Basf AktiengesellschaftInventors: Gunther Lamm, Helmut Beichelt, Ortwin Schaffer
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Patent number: 5328995Abstract: The compounds of the formula ##STR1## where the substituents are as defined in claim 1, are direct dyes for various substrates, in particular cellulosic fibre materials. They are high temperature resistant and therefore are particularly highly suitable for the one-bath, single-stage dyeing of polyester/cotton blend fabrics with a disperse dye for the polyester fibres under the dyeing conditions for polyester fibres.Type: GrantFiled: January 27, 1993Date of Patent: July 12, 1994Assignee: Ciba-Geigy CorporationInventors: Rudolf Schaulin, Urs Lauk
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Patent number: 5288858Abstract: The invention relates to azo dyes of the formula ##STR1## in which R, R.sub.1 and R.sub.2, independently of one another, are hydrogen, substituted or unsubstituted C.sub.1 -C.sub.8 alkyl or phenyl, R.sub.3 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl or phenyl and the benzene rings I and II may be further substituted.The azo dyes are suitable for the dyeing or printing of natural or synthetic polyamide fibre materials, in particular in combination with other dyes and in particular from short liquors. The azo dyes are distinguished by generally good properties, in particular good affinity.Type: GrantFiled: July 14, 1992Date of Patent: February 22, 1994Assignee: Ciba-Geigy CorporationInventor: Jurgen Schaetzer
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Patent number: 5262330Abstract: A chromogenic compound found to be especially selective in the determination of calcium in blood of the general formula (I): ##STR1## where: R is hydrogen or lower alkyl;X is CH.sub.2, CH.sub.2 CH.sub.2, CH.dbd.CH, O, S, SO.sub.2, S--S, or NR;X is CH, C--OH or N;M is p-nitrophenylazo, 2,4-dinitrophenylazo, 2,4,6-trinitrophenylazo, p-nitrostyryl, p-benzoquinoneimino, bis-(4-dimethylaminophenyl) hydroxymethyl, 3-phenylisothiazolyl-5-azo, thiazolyl-5-azo, or isothiazolyl-5-azo;k is 1;l is 0 or 1; andn is 0 or 1.Type: GrantFiled: February 27, 1992Date of Patent: November 16, 1993Assignee: Miles Inc.Inventors: Eddy Chapoteau, Bronislaw P. Czech, Wolodymyr I. Zazulak
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Patent number: 5196520Abstract: The invention relates to azo dyes of formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.2 is C.sub.2 -C.sub.4 alkyl, R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or unsubstituted or substituted C.sub.5 -C.sub.7 cycloalkyl or phenyl, and the benzene rings I and II are unsubstituted or substituted.The azo dyes are suitable for dyeing or printing synthetic polyamide materials, especially in conjunction with other dyes and, preferably, from short liquors. The azo dyes have good allround properties, in particular good affinity.Type: GrantFiled: January 18, 1991Date of Patent: March 23, 1993Assignee: Ciba-Geigy CorporationInventors: Jurgen Schaetzer, Jean-Marie Adam
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Patent number: 4965345Abstract: Solvent dyes of the formula ##STR1## where ##STR2## R.sup.1 and R.sup.2 are each, independently of the other, hydrogen, methyl, ethyl, methoxy or ethoxy,n is 0 or 1 andk, if n is 0, is the radical of a coupling component of the pyrazolone series or, if n is 1, is the radical of a coupling component of the pyrazolone, 2-naphthol, hydroxyquinoline, aniline, naphthylamine, pyridone or 2,6-diaminopyridine series,R.sup.3 and R.sup.4 each independently of the other being C.sub.1 -C.sub.22 -alkyl which may be substituted or interrupted by oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, subject to the proviso that COR has more than 8 carbon atoms, are very highly suitable for coloring organic substrates.Type: GrantFiled: October 2, 1987Date of Patent: October 23, 1990Assignee: BASF AktiengesellschaftInventor: Hermann Loeffler
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Patent number: 4833235Abstract: Disazo compounds of the formula ##STR1## and salt thereof, D is the radical of a diazo component of the benzene or naphthalene series.K is the radical of a heterocyclic coupling component of the aminopyrazole-, pyridone- or barbituric acid-series, n is 1 to 4,R.sub.1 is hydrogen, C.sub.1-4 alkyl or substituted C.sub.1-4 alkyl,each of R.sub.2 and R.sub.3 is independently hydrogen, halo, C.sub.1-4 alkyl, substituted C.sub.1-4 alkyl, C.sub.1-4 alkoxy, substituted C.sub.1-4 alkoxy, --NHCO--Rhd 5, amino, substituted amino or a quaternary ammonium group, wherein R.sub.5 is C.sub.1-4 alkyl, substituted C.sub.1-4 alkyl, C.sub.1-4 alkoxy or amino,R.sub.4 is hydrogen, C.sub.1-4 alkyl, C.sub.Type: GrantFiled: October 7, 1987Date of Patent: May 23, 1989Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
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Patent number: 4780532Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H,R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H, orR.sup.1 & R.sup.2 together with the nitrogen atom form a morpholine ringa & b are different and from 1 to 8m is from 1 to 10;n is from 0 to 9;q is 1/2 or 1p is 1 or 2L is a transition metal capable of complexing with a dyeM is H, ammonium, or a monovalent metal;B, D, F & E are H or substituents;X is NR.sup.1 R.sup.2, NR.sup.3 R.sup.4, --NR.sup.3 --Z--NR.sup.4 --, OR.sup.3, or the residue of a mono- or dis-azo chromophore comprising benzene, naphthalene or hetero-mono- or bi-cyclic diazo and coupling components, linked to the triazine nucleus through a primary or secondary amino linking group in which R.sup.3 and R.sup.Type: GrantFiled: August 12, 1985Date of Patent: October 25, 1988Assignee: Imperial Chemical Industries PLCInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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Patent number: 4772687Abstract: Metal complex dyestuffs which in the form of the free acid correspond to the formula ##STR1## in which the substituents have the meaning given in the description are, depending on the meanings of the substituents, suitable for use as reactive dyestuffs for cotton, wool or polyamide, as direct dyestuffs for cotton or as pigment dyestuffs. Dyeings are obtained which have good fastness properties, in particular good wet-, light- and chlorine fastness.Type: GrantFiled: May 1, 1986Date of Patent: September 20, 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: 4746733Abstract: A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R.sup.1 is --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H;R.sup.2 is H or --(C.sub.a H.sub.2a O).sub.m (C.sub.b H.sub.2b O).sub.n H; orR.sup.1 & R.sup.2 together with the nitrogen atom form a morpholine ring;a & b are different and from 1 to 8;m is from 1 to 10;n is from 0 to 9;Y is a triphendioxazinylene (TPD) group;M is H, ammonium, or a metal;X is NR.sup.1 R.sup.2, alkoxy, NR.sup.3 R.sup.4 in which R.sup.3 and R.sup.4 are each independently selected from H, alkyl, aryl and heteroaryl, or the residue of a mono- or dis-azo chromophore comprising benzene, naphthalene or mono- or bi-cyclic heteroaryl diazo and coupling components, linked to the triazine nucleus through a primary or secondary amine linking group;andZ is an alkylene, arylene or aralkylene group,suitable for the preparation of a printing ink, especially for ink jet printing.Type: GrantFiled: August 12, 1985Date of Patent: May 24, 1988Assignee: Imperial Chemical Industries PLCInventors: Anthony G. W. Baxter, Stephen B. Bostock, David Greenwood
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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: 4686285Abstract: (i) Metal-free compounds of the formula ##STR1## (ii) tautomers thereof, (iii) 1:1 and 1:2 metal complexes of (i) and (ii),(iv) salts of (i), (ii), and (iii), and(v) mixtures of (i), (ii), (iii), and (iv),wherein the symbols are as defined in the Specification, are useful as dyes for, for example, polymers and copolymers of acrylonitrile, polyesters modified to contain acid groups, polyamides such as wool, leather, cotton, bast fibers such as hemp, flax, sisal jute, coir and straw, regenerated cellulose, glass fibers and paper (those wherein R.sub.o is other than hydrogen) or as intermediates for the synthesis of dyes.Type: GrantFiled: February 8, 1985Date of Patent: August 11, 1987Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
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Patent number: 4667020Abstract: Compounds of the formula ##STR1## where X is a 5-membered heterocyclic structure from the oxazole, oxadiazole, thiazole, thiadiazole, imidazole or triazole series, Y is a radical of the formula ##STR2## the rings A, B and C can be further substituted and can be fused to a benzene ring, R.sup.1 and R.sup.2 are each hydrogen or unsubstituted or substituted alkyl, aralkyl or cycloalkyl, or R.sup.1 and R.sup.2 together with the nitrogen are piperidino, pyrrolidino or morpholino, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aralkyl, acyl, alkoxycarbonyl, aryloxycarbonyl or arylsulfonyl, and R.sup.4 is hydrogen, alkyl or cycloalkyl, are particularly useful as dyes in liquid-crystalline media.Type: GrantFiled: February 20, 1985Date of Patent: May 19, 1987Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Christos Vamvakaris
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Patent number: 4623720Abstract: 1:1 and 1:2 metal complexes comprising the unit of the formula ##STR1## wherein A and B, independently, are radicals of diazo or coupling components, with the proviso that when one of A and B is a radical of a diazo component, the other is a radical of a coupling component,T is --SO.sub.2 N(R.sub.1)-- or --N(R.sub.1)SO.sub.2 --, wherein R.sub.1 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkyl substituted by phenyl or carboxy or C.sub.2-4 alkyl substituted in the .beta.--, .gamma.-- or .delta.--position by phenoxy, C.sub.1-4 alkyl, chloro or hydroxy, with the proviso that T is --N(R.sub.1)SO.sub.2 -- when A is the radical of a diazo component and T is --SO.sub.2 N(R.sub.Type: GrantFiled: June 4, 1981Date of Patent: November 18, 1986Assignee: Sandoz Ltd.Inventor: Herbert Holliger
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Patent number: 4623719Abstract: This invention relates to disazo dyestuffs for cellulose or cellulose-containing fibers represented by the formula: ##STR1## wherein R.sup.1 represents a hydrogen atom, a nitro group, a halogen atom, an alkyl group of 1 or 2 carbon atoms or an acetylamino group; R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group of 1 or 2 carbon atoms, and alkoxy group or an acetylamino group; Y.sup.1 and Y.sup.2 each represents a hydrogen atom or an alkyl group, and alkenyl group, a cyclohexyl group, an aryl group or an aralkyl group which group ma optionally be substituted by cyano, hydroxyl, lower alkoxy or dialkylamino, or NY.sup.1 Y.sup.2 represents a 5-membered or 6-membered nitrogen-containing heretocyclic ring formed by combination of Y.sup.1 and Y.sup.2, and the total carbon atoms in Y.sup.1 and Y.sup.2 is 18 or less.Type: GrantFiled: March 24, 1986Date of Patent: November 18, 1986Assignee: Mitsubishi Chemical Industries LimitedInventors: Toshio Niwa, Kiyoshi Himeno, Toshio Hihara
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Patent number: 4593087Abstract: Disclosed are azo dyes containing diazonium moieties from aminothiazoles, aminoisothiazoles, or aminothiadiazoles (1,2,4- or 1,3,4-), and certain coupler moieties from aniline, tetrahydroquinoline, and benzomorpholine type compounds, wherein the diazonium moieties have at least one cinnamoyl group, and wherein a wide variety of groups, e.g., one or more water-solubilizing substituents such as sulfonic acid groups or their metal or amine salts may be present in the dye molecule. These dyes are useful for dyeing materials selected from polyamide, cellulose ester, polyester, wool and other natural and synthetic fibers and generally exhibit improvements in dyeability and fastness properties.Type: GrantFiled: January 23, 1984Date of Patent: June 3, 1986Assignee: Eastman Kodak CompanyInventor: Robert N. Gourley
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Patent number: 4562249Abstract: There are described novel yellow to red azo compounds of the formula I ##STR1## wherein each D independently of the other is the radical of an aromatic or heterocyclic diazo component, each Z independently of the other is hydrogen or a C.sub.1 -C.sub.4 -alkyl group or an acylamino group, Y is hydrogen or an unsubstituted or substituted C.sub.1 -C.sub.6 -alkyl group, X is either the direct bond or C.sub.1 -C.sub.6 -alkylene, ##STR2## and n is a number from 2 to 6, preferably 2; and the substituent Y, in the case of an unsubstituted or substituted C.sub.1 -C.sub.6 -alkyl group, can also be bonded to the o-position relative to the N atom of the phenylene group to form a six-membered ring, or both Y substituents can be linked together to form a C.sub.1 -C.sub.Type: GrantFiled: March 5, 1985Date of Patent: December 31, 1985Assignee: Ciba-Geigy CorporationInventors: Hansrudolf Schwander, Rudolf Hurter
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Patent number: 4483795Abstract: Compounds of the general formula I ##STR1## where D is the radical of a diazo component,R is hydrogen, hydroxy or unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, phenyl or heterocyclic ring,R.sup.1 and R.sup.2 independently of one another are hydrogen or unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl, orR.sup.1 and R.sup.2 together with the nitrogen are a saturated heterocyclic 5-membered to 7-membered ring,X is hydrogen, chlorine, bromine, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, allyloxy, .beta.-cyanoethoxy, benzyloxy, phenoxy, .beta.-alkoxycarbonylethoxy, where alkoxy is of 1 to 4 carbon atoms, alkylmercapto of 1 to 4 carbon atoms, phenylmercapto or alkanoylamino of 1 to 4 carbon atoms, andY is chlorine, alkyl of 1 to 4 carbon atoms, allyloxy, alkoxy of 1 to 4 carbon atoms or .beta.-cyanoethoxy, orX and Y together are a fused benzene ring which is unsubstituted or substituted by alkyl alkoxy chlorine or bromine.Type: GrantFiled: October 13, 1982Date of Patent: November 20, 1984Assignee: BASF AktiengesellschaftInventors: Heinz Eilingsfeld, Guenter Hansen, Guenther Seybold, Georg Zeidler