Patents by Inventor Herbert Seiler
Herbert Seiler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5298607Abstract: The invention provides reactive dyes of the formula ##STR1## wherein D is a mono- or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazane, dioxazine or stilbene dye which contains sulfo groups, R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.2 is hydrogen, methyl or ethyl, X is a radical of the formula --SO.sub.2 CH.sub.2 CH.sub.2 Cl, --SO.sub.2 CH.dbd.CH.sub.2, --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H, --SO.sub.2 CH.sub.2 CH.sub.2 OPO.sub.3 H or --N(R.sub.3)SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H, and R.sub.3 is hydrogen, methyl or ethyl, and the benzene or naphthalene radical is not further substituted or is further substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.Type: GrantFiled: May 26, 1993Date of Patent: March 29, 1994Assignee: Ciba-Geigy CorporationInventor: Herbert Seiler
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Patent number: 5136028Abstract: Novel reactive dyes of formula ##STR1## wherein Z is a radical of formula ##STR2## and R.sub.1, R.sub.2, R.sub.3, (R.sub.4).sub.2-3, (R.sub.5).sub.1-3, R.sub.7 and (R.sub.8).sub.1-3 are as defined in claim 1, give intense red dyeings and prints of good fastness properties on cellulosic fibres.Type: GrantFiled: November 9, 1990Date of Patent: August 4, 1992Assignee: Ciba-Geigy CorporationInventor: Herbert Seiler
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Patent number: 5023326Abstract: Reactive dyes of the formula ##STR1## in which Y is hydrogen or sulfo, U is --CN, --CONH.sub.2, --SO.sub.3 H, --OH or --OSO.sub.3 H, D is a phenyl or naphthyl radical, which can be substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, carboxyl and sulfo, and which contains at least one reactive radical bound direclty or via a bridge member to a ring carbon atom, or to which a further radical is bound which contains a reactive radical, and u is the number 2, 3, 4 or 5, are suitable in particular for the dyeing or printing of cellulose-containing fiber materials by the exhaust method or by the continuous method and product in combination with a high colorisitc yield dyeings and prints which have good fastness properties.Type: GrantFiled: November 9, 1989Date of Patent: June 11, 1991Assignee: Ciba-Geigy CorporationInventors: Athanassios Tzikas, Herbert Seiler
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Patent number: 4906739Abstract: A fibre-reactive azo dyestuff of the formula ##STR1## in which X is alkyl or alkoxy with 1 to 4 carbon atoms, carboxyl or halogen, n is 1, 2 or 3, m is 0 or 1, p is 0 or 1 and q is 0 or 1 and the benzene or naphthalene rings A, B and B' can contain further substituents in addition to SO.sub.3 H groups. The dyestuffs of the invention are suitable inter alia, for dyeing and printing silk, leather, wool, high molecular weight polyamide fibres and high molecular weight polyurethanes, but especially cellulose-containing materials having a fibrous structure.Type: GrantFiled: June 15, 1989Date of Patent: March 6, 1990Assignee: Ciba-Geigy CorporationInventors: Herbert Seiler, Gert Hegar
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Patent number: 4906737Abstract: Fibre-reactive dyes of the formula ##STR1## wherein X is an alkyl or alkoxy group of 1 to 4 carbon atoms, a carboxy group or a halogen atom, each of R.sub.1 and R.sub.2 is independently a hydrogen atom or an alkyl group of 1 to 4 carbon atoms and D is the radical of an organic dye which contains sulpho groups, and the benzene ring A can contain further substituents apart from X and SO.sub.3 H.Type: GrantFiled: August 17, 1988Date of Patent: March 6, 1990Assignee: Ciba-Geigy CorporationInventors: Herbert Seiler, Gert Hegar, Ester Hegar-Zimmerman
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Patent number: 4866162Abstract: Azo dyes of the formula ##STR1## wherein D is a disulfonaphthyl-(2) residue, K is a naphtalene or benzene residue, R is hydrogen, and X is hydrogen, are especially suitable for dyeing of cellulosic materials of fibrous structure, they have a good exhaustion capacity and excellent dye fixation.Type: GrantFiled: October 2, 1986Date of Patent: September 12, 1989Assignee: Ciba-Geigy CorporationInventors: Herbert Seiler, Gert Hegar
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Patent number: 4845203Abstract: A fibre-reactive dye of the formula ##STR1## in which R.sub.1 is hydrogen, halogen, C.sub.1-14 -alkyl, C.sub.1-4 -alkoxy, nitro or carboxyl;X.sub.2 is hydrogen, vinylsulfonyl, .beta.-chloroethylsulfonyl, .beta.-sulfatoethylsulfonyl, .beta.-acetoxyethylsulfonyl or a radical of the formulaCl--CH.sub.2 --CH.sub.2 --SO.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --CO--NH-- orCl--CH.sub.2 --CH.sub.2 --SO.sub.2 --CH.sub.2 --CH.sub.2 --NH--CO--;n is 1 to 3;R.sub.2 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; R.sub.3 is hydrogen C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, acetylamino, sulfoacetylamino, ureido or sulfo; andX.sub.1 is a radical of the formula ##STR2## in which Z is the radical of an amine comprising a vinylsulfonyl moiety, subject to the proviso that Z must not be a vinylsulfonylphenylamino or vinylsulfonylnaphtylamino moiety. These dyes are useful for dyeing and printing a wide variety of materials, and in particular cellulose-containing fibre materials.Type: GrantFiled: September 3, 1987Date of Patent: July 4, 1989Assignee: Ciba-Geigy CorporationInventors: Rolf Dietz, Herbert Seiler
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Patent number: 4843148Abstract: A process for the preparation of reactive dyes of the formula ##STR1## in which D, R and Z are as defined in greater detail in the description, which comprises subjecting 2,4,6-trifluoro-s-triazine to a condensation reaction in a strongly acid solution and in the presence of an alkali metal fluoride with an amine of the formulaH--Z (3)and then subjecting the primary condensation product obtained to a condensation reaction with an amino dye of the formula ##STR2## affords reactive dyes of the formula (1) in a high yield and a high state of purity.Type: GrantFiled: December 23, 1986Date of Patent: June 27, 1989Assignee: Ciba-Geigy CorporationInventors: Emil Bonometti, Herbert Seiler
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Patent number: 4808706Abstract: Dyes of the formula ##STR1## wherein D is the radical of an organic dye, R.sub.1 is hydrogen or methyl, R.sub.2 is alkyl of 2 to 4 carbon atoms, and X is hydrogen or methyl.Type: GrantFiled: February 14, 1984Date of Patent: February 28, 1989Assignee: Ciba-Geigy CorporationInventor: Herbert Seiler
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Patent number: 4801694Abstract: Reactive dyes of the formula ##STR1## in which D is the radical of an organic dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthrone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, R is hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl, X is a substituent which is detachable as an anion, B is a radical of the formula ##STR2## R.sub.1 and R.sub.2, independently of each other, are hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl or phenyl, A is a substituted or unsubstituted aliphatic or aromatic bridge member, Y is a --CO--Z or --SO.sub.2 --Z radical, Z is an aliphatic, aromatic or heterocyclic reactive radical, and n is 1 or 2, are suitable for dyeing or printing cellulose-containing and nitrogen-containing materials and in high dyeing yield produce dyeings and prints having good fastness properties.Type: GrantFiled: July 13, 1987Date of Patent: January 31, 1989Assignee: Ciba-Geigy CorporationInventors: Peter Scheibli, Karl Seitz, Herbert Seiler, Athanassios Tzikas
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Patent number: 4754023Abstract: A reactive dye of the formula ##STR1## in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO.sub.3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxazine dyes and nitroaryl dyes,R is hydrogen, C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted with --COOH or --SO.sub.3 H, cyanoethyl, or hydroxyethyl,X is fluorine, chlorine, bromine, --SO.sub.3 H, phenylsulfonyl or C.sub.1 -C.sub.4 -alkylsulfonyl,p is 1 or 2 andA is a radical of the formula ##STR2## in which: Y is chlorine, bromine, fluorine, --OH, --OSO.sub.3 H, --O-acyl, --CN, --COOH, --COO--C.sub.1 -C.sub.4 -alkyl, --CONH.sub.2 or --SO.sub.2 --Z,the group designated "alk" is a straight or branched polymethylene radical having 2 to 6 carbon atoms,V is ##STR3## hydrogen or C.sub.1 -C.sub.4 -alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.2 -alkoxy, carboxyl, sulfo, halogen or hydroxy,Z is .beta.Type: GrantFiled: January 23, 1986Date of Patent: June 28, 1988Assignee: Ciba-Geigy CorporationInventors: Athanassios Tzikas, Herbert Seiler, Peter Scheibli
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Patent number: 4631065Abstract: The invention relates to reactive dyes of the formula ##STR1## wherein D is the radical of a dye of the monoazo or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, each of R.sub.1 and R.sub.2 independently is hydrogen or an unsubstituted or substituted C.sub.1 -C.sub.4 alkyl radical, X.sub.1 is an unsubstituted or substituted aminofluoro-s-triazine radical, and X.sub.2 is a heterocyclic reactive radical which is attached direct to the radical D through the --N(R.sub.2) bridge member, excepting an unsubstituted or substituted aminofluoro-s-triazine.These dyes are particularly suitable for dyeing and printing cellulosic fibre material by the cold pad-batch method and give dyeings and prints of good fastness properties and high tinctorial strength.Type: GrantFiled: August 20, 1985Date of Patent: December 23, 1986Assignee: Ciba-Geigy CorporationInventors: Karl Seitz, Peter Scheibli, Herbert Seiler
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Patent number: 4614818Abstract: A process for the preparation of dyes of the formula ##STR1## in which D is a dye radical and R.sub.1 and R.sub.2 independently of one another is hydrogen or C.sub.1-4 -alkyl, which comprises reacting cyanuric fluoride of the formula ##STR2## simultaneously with a dye of the formula ##STR3## and with an ammonium salt of an amine of the formulaH.sub.2 N--R.sub.2 (4)in a neutral to alkaline medium, to give dyes of the formula (1) as single compounds in good yields in one operation. The novel process has the advantage of being able to be carried out as a "one-pot process" in a closed reaction vessel so that the apparatus is simple and immission by cyanuric fluoride is excluded.Type: GrantFiled: January 18, 1983Date of Patent: September 30, 1986Assignee: Ciba Geigy CorporationInventors: Rolf Deitz, Herbert Seiler
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Patent number: 4578457Abstract: The invention relates to novel reactive dyes of the formula ##STR1## wherein Z is --NH.sub.2, C.sub.1 -C.sub.6 alkylamino, N,N--di(C.sub.1 -C.sub.6)alkylamino, cyclohexylamino, N--(C.sub.1 -C.sub.6)alkyl-N-cyclohexylamino, N,N-dicyclohexylamino, phenyl(C.sub.1 -C.sub.2)alkylamino, N--(C.sub.2 -C.sub.4)alkyl-N-phenylamino, naphthylamino, a heterocyclic radical which is bound through an amino group and which may contain further fused carbocyclic rings, or a radical which is bound through the nitrogen atom of an N-heterocyclic ring and which may contain further hetero-atoms, and wherein the alkyl and cyclohexyl moieties, phenyl and naphthyl rings and heterocyclic radicals may be further substituted, and one Y is hydrogen and the other is sulfo. Strong red dyeings and prints are obtained with these dyes on cellulose fibres.Type: GrantFiled: August 29, 1984Date of Patent: March 25, 1986Assignee: Ciba-Geigy AGInventor: Herbert Seiler
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Patent number: 4556706Abstract: Dyes of formula ##STR1## wherein D is the radical of a formazane dye of formula ##STR2## X is a group which is capable of complex formation, Z is a --NH.sub.2 group, a substituted or unsubstituted aliphatic or aromatic amino group, n is 1 or 2 and m is an integer from 2 to 5, and the benzene rings A, B and C can contain further substituents in addition to the --SO.sub.Type: GrantFiled: April 28, 1980Date of Patent: December 3, 1985Assignee: Ciba Geigy CorporationInventors: Gert Hegar, Herbert Seiler
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Patent number: 4545785Abstract: Reactive dyes of the formula ##STR1## wherein K is the radical of a naphtholsulfonic acid or N-acylated aminonaphtholsulfonic acid, n is 1 or 2 and the benzene ring A may contain further substituents, are suitable for dyeing or printing cellulosic fibre materials and afford dyeings or prints with good fastness properties.Type: GrantFiled: April 10, 1984Date of Patent: October 8, 1985Assignee: Ciba-Geigy CorporationInventor: Herbert Seiler
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Patent number: 4507236Abstract: Fibre-reactive dyes of the formula ##STR1## wherein D is the radical of a benzene or naphthalene azo dye which contains sulpho groups, each of R.sub.1, R.sub.2 and R.sub.3 is a hydrogen atom, B is an arylene group and A is an amino group.Type: GrantFiled: December 27, 1982Date of Patent: March 26, 1985Assignee: Ciba-Geigy CorporationInventors: Herbert Seiler, Gert Hegar
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Patent number: 4261889Abstract: Dyestuffs of the formula ##STR1## wherein R.sub.1 is hydrogen or a low-molecular alkyl group, R.sub.2 is hydrogen, a low-molecular alkyl group, an aryl radical or the radical of an organic dyestuff containing sulpho groups, and R.sub.1 and R.sub.2 together with the nitrogen atom can form a ring, X.sub.1 and X.sub.2 are hydrogen, a sulpho group or the --N.dbd.N--K radical, wherein K is the radical of a coupling component and, if one X is the --N.dbd.N--K radical, the other X is a sulpho group, and the benzene ring A can contain further substituents.Type: GrantFiled: October 19, 1978Date of Patent: April 14, 1981Assignee: Ciba-Geigy Corp.Inventors: Herbert Seiler, Gert Hegar
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Patent number: 4246670Abstract: A process for improving the color yield and the wetfastness properties of dyeings produced on cellulose fibre material with anionic dyes, which process comprises treating the cellulose material before, during or after dyeing, with a cationic fibre-reactive compound of the formula ##STR1## wherein B represents a mono- or polynuclear heterocyclic radical,Hal represents a reactive halogen atom,X represents halogen, lower alkoxy, lower alkylthio, phenoxy, phenylthio, --NH.sub.2, ##STR2## or the group of the formula ##STR3## each of W.sub.1 and W.sub.2 independently represents the direct bond, ##STR4## Z represents hydrogen, lower alkyl or hydroxy-lower alkyl, each of Q.sub.1 and Q.sub.2 independently represents an aliphatic or cycloaliphatic radical,each of R.sub.1, R.sub.2, V.sub.1, V.sub.2, Y.sub.1 and Y.sub.2 independently represents lower alkyl, or lower alkyl or benzyl each of which is substituted by halogen, hydroxy or cyano, oreach of the pair of substituents R.sub.1 and R.sub.2 and Y.sub.1 and Y.sub.Type: GrantFiled: July 16, 1979Date of Patent: January 27, 1981Assignee: Ciba-Geigy CorporationInventors: Pierre Perrin, Gert Hegar, Gerald Siegrist, Herbert Seiler, Ulrich Horn
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Patent number: 4189570Abstract: Process for producing compounds of the formula ##STR1## wherein R is hydrogen, methyl or ethyl, and n is 1 or 2, which process comprises condensing aminohydroxynaphthalenesulphonic acids of the formula ##STR2## with 2,4,6-trifluoro-s-triazine, in an aqueous solution or suspension, within a pH range which is defined bypK.sub.N(R)H .ltoreq.pH.ltoreq.(pK.sub.OH -2)wherein pK.sub.N(R)H and pK.sub.OH are the pK values respectively of the amino group and hydroxyl group of the aminohydroxynaphthalenesulphonic acid and pH is the hydrogen exponent, to give compounds of the formula (1).Type: GrantFiled: October 13, 1977Date of Patent: February 19, 1980Assignee: Ciba-Geigy CorporationInventors: Emil Bonometti, Herbert Seiler