Polyamide Fiber Patents (Class 8/924)
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Patent number: 5814107Abstract: A process for preparing photochemically stable dyed nylon compositions includes providing to a dyebath a shaped article of poly(epsilon-caprolactam) hydrolytically polymerized in the presence of water, a carboxylic acid chain regulator and a hindered piperidine derivative; and in the dyebath, dyeing the shaped article with one or more metalized or nonmetalized acid dyestuffs.Type: GrantFiled: February 21, 1997Date of Patent: September 29, 1998Assignee: BASF CorporationInventors: Dean R. Gadoury, Bobby J. Bailey
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Patent number: 5810890Abstract: A process for dyeing synthetic polyamide fibers, in particular in form of micro fibers, is described comprising the use of polyamide fibers having an amino end group content of at least 60 gram equivalents per 1000 kilograms of polyamide polymer and using a dye composition of water-soluble dyes containing at least one dye having 1 or 2 vinylsulfonyl groups and at least 1 dye having 1 or 2 groups of the general formula (A)--SO.sub.2 --CH.sub.2 --CH.sub.2 --N(R)--V--X (A)(in which R is hydrogen or alkyl of 1 to 4 carbon atoms which may be interrupted by 1 or 2 hetero groups and substituted by sulfo, carboxy, hydroxy, sulfato, phosphato and/or lower alkanoylamino, V is a covalent bond or alkylene of 2 to 4 carbon atoms or a group of the formula --CO--NH--CH.sub.2 --CH.sub.Type: GrantFiled: September 27, 1996Date of Patent: September 22, 1998Assignee: Dystar Textilfarben GmbH & Co. Deutschland KGInventors: Werner Hubert Russ, Mike Elliott, Robert Dewhurst, Charles Richard Langrick, David John Marfell
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Patent number: 5792222Abstract: Process for dyeing natural or synthetic polyamide fiber materials, which comprises dyeing these fiber materials with at least one anionic acid dye of the formula ##STR1## and treating the fiber material mentioned, during or after the dyeing process, with a colorless fixing agent which contains sulfo or sulfato groups and contains at least two fiber-reactive groups, whereR.sub.1 and R.sub.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,X.sub.1 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or naphthyl, or the radical of the formula --N(R.sub.2)--X.sub.1 is a ring, which may contain further heteroatoms,Y.sub.1 is a radical of the formula ##STR2## in which B.sub.1 is a colorless organic bridge member,R.sub.3 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl andR.sub.4 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or naphthyl, andA.sub.Type: GrantFiled: March 3, 1997Date of Patent: August 11, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Marie Adam, Jean-Pierre Bacher, Francine Casi
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Patent number: 5785718Abstract: The novel and known stilbene-azo dyestuffs of the formula (I) ##STR1## in which the substituents X and Y have the meaning given in the description, are outstandingly suitable for dyeing and printing cellulose and/or material containing amide groups and for the preparation of inks.Type: GrantFiled: May 27, 1997Date of Patent: July 28, 1998Assignee: Bayer AktiengesellschaftInventors: Horst Berneth, Uwe Claussen
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Patent number: 5779740Abstract: Process for dichromatic or trichromatic dyeing or printing of natural or synthetic polyamide fibre material, which comprises using at least one blue-dyeing fibre-reactive anthraquinone dye of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.12 alkyl,X.sub.1 is halogen,B.sub.1 is an organic bridge member andV.sub.1 is an aliphatic or aromatic amine containing a fibre-reactive group, together with at least one fibre-reactive sulfo group containing yellow- or orange-dyeing dye or together with at least one fibre-reactive sulfo group containing red-dyeing dye. Level dyeings with good fastness properties are obtained.Type: GrantFiled: November 19, 1996Date of Patent: July 14, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Urs Lehmann, Marcel Frick, Klaus Hannemann
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Patent number: 5769904Abstract: This invention relates to a process for the production of resists or multicolor effects on natural or synthetic polyamide fiber materials, which, to produce resists, comprises locally applying a liquid preparation wet-on-wet before or after treating the textile material with a dyeing liquor or printing paste containing at least one anionic dye, said preparation comprising one or more than one compound of formula ##STR1## wherein R.sub.1 is a straight-chain or branched C.sub.10 -C.sub.24 alkyl or alkenyl radical, R.sub.2 and R.sub.3 are each independently of the other C.sub.1 -C.sub.Type: GrantFiled: May 27, 1997Date of Patent: June 23, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Guy Achilles Alfons Meerschman, Jean-Pierre Troch, Serge Charles Jacques Garing
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Patent number: 5766267Abstract: Use of carbohydrate compounds as auxiliaries for dyeing and printing fiber materialsUse of carbohydrate compounds of the formula (1)Z--G--T--R.sup.1.sub.n (1)in whichZ is the radical of a carbohydrate from the series consisting of mono-, di- or oligosaccharides or of a sugar alcohol, the free valency being on a carbon atom;G is a bridge member from the series consisting of --O--, --NR.sup.5 --, --O--CO--, --NR.sup.5 --CO-- and --NR.sup.5 --SO.sub.2 --, in which R.sup.5 is hydrogen or C.sub.1 ---C.sub.4 -alkyl, which can be substituted by 1 to 4 radicals from the series consisting of hydroxyl, sulfo, sulfato or carboxyl;T is a C.sub.4 -C.sub.30 -aliphatic, cycloaliphatic or oiefinic hydrocarbon radical, or is C.sub.6 -C.sub.10 -aryl or is C.sub.6 -C.sub.10 -aryl-C.sub.1 -C.sub.4 alkylene;R.sup.1 is hydroxyl, carboxyl, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, sulfo, C.sub.1 -C.sub.10 -alkylsulfonyl, aminosulfonyl, C.sub.1 -C.sub.10 -alkylaminosulfonyl or C.sub.6 -C.sub.10 -arylaminosulfonyl, C.Type: GrantFiled: May 15, 1996Date of Patent: June 16, 1998Assignee: Hoechst AktiengesellschaftInventors: Christian Schumacher, Brigitte Horsch, Andreas Von Der Eltz, Karl Bredereck, Markus Strauss
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Patent number: 5762653Abstract: Dye mixtures which comprise at least one dye of the formula ##STR1## and at least one dye of the formula ##STR2## in which Y.sub.1 is a radical of the formula ##STR3## and R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, X.sub.1, X.sub.2, X.sub.3, L, W.sub.1, B.sub.1, A.sub.1, and A.sub.3 are as defined in claim 1.The dye mixtures according to the invention are particularly suitable for dyeing or printing natural or synthetic polyamide fibre materials.Type: GrantFiled: March 3, 1997Date of Patent: June 9, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Marie Adam, Jean-Pierre Bacher
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Patent number: 5759212Abstract: A process for coloring a synthetic textile material or fiber blend thereof which comprises applying to the synthetic textile material a dye, which is free from water solubilizing groups, carrying at least one --SO.sub.2 F group provided that the dye is not an azo, bisazo or anthraquinone dye.Type: GrantFiled: August 15, 1996Date of Patent: June 2, 1998Assignee: Zeneca LimitedInventor: Nigel Hall
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Patent number: 5725604Abstract: The present invention relates to a process for dyeing or printing organic material, which comprises applying at last one dye selected from those containing a chromophore radical from the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, nitroaryl, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, naphthoquinone, pyrenequinone or perylenetetracarbamide series which contains an acrylamide, methacrylamide, bromoacrylamide or chloroacrylamide reactive group, at least one colourless cationic compound containing at least one polymerizable double bond, and at least one polymerization initiator and then subjecting it to thermofixation. Further auxiliaries to the organic material may optionally may optionally be included.Type: GrantFiled: March 14, 1996Date of Patent: March 10, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Katharina Fritzsche, Alex Kanzig
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Patent number: 5725606Abstract: Dye mixtures comprising at least one dye of formula ##STR1## together with at least one dye of formula ##STR2## wherein R.sub.1 and R.sub.2 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,R.sub.3 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or sulfo, andY is C.sub.1 -C.sub.4 alkyl or phenyl or naphthyl, each of which is unsubstituted or substituted byC.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or sulfo, which dye mixtures contain at least 10% by weight of one or more than one dye of formula (1), based on the total amount of the dyes of formulae (1) and (2), dye nitrogen-containing or hydroxyl group-containing fiber materials with good properties.Type: GrantFiled: April 22, 1996Date of Patent: March 10, 1998Assignee: Ciba Specialty Chemicals CorporationInventor: Guido Jordine
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Patent number: 5725607Abstract: There has been found1) a method for reducing the toxicity of spent liquors from dyeing with cationic dyes or mixtures thereof, characterized by the step of dyeing with cationic dyes having a computed electrostatic shielding energy (idealized hydration energy) of .gtoreq.50 kcal/mol,2) cationic, generally low toxicity dyes, their preparation and use for dyeing.Type: GrantFiled: June 25, 1996Date of Patent: March 10, 1998Assignee: Bayer AktiengesellschaftInventors: Henry Giera, Felix Reichel, Horst Berneth, Thomas Bocker, Karin Hassenruck, Karl Lange, Karlheinrich Meisel
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Patent number: 5718730Abstract: Anthraquinone dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 independently of one another are hydrogen or are substituted or unsubstituted C.sub.1 -C.sub.12 alkyl,X.sub.1 and X.sub.2 independently of one another are chlorine or fluorine,B.sub.1 is a C.sub.2 -C.sub.12 alkylene radical which is unsubstituted or substituted by hydroxyl, sulfo or sulfato and is uninterrupted or is interrupted by oxygen; or is a cyclohexylene radical,C.sub.1 -C.sub.4 alkylene-cyclohexylene radical, cyclohexylene-C.sub.1 -C.sub.4 alkylene radical,C.sub.1 -C.sub.4 alkylene-cyclohexylene-C.sub.1 -C.sub.4 alkylene radical or cyclohexylene-methylene-cyclohexylene radical which is unsubstituted or is substituted in the cyclohexylene ring by C.sub.1 -C.sub.4 alkyl; or is a C.sub.1 -C.sub.4 alkylene-phenylene radical,phenylene-C.sub.1 -C.sub.4 alkylene radical or C.sub.1 -C.sub.4 alkylene-phenylene-C.sub.1 -C.sub.4 alkylene radical which is unsubstituted or is substituted in the phenylene ring by C.Type: GrantFiled: October 31, 1996Date of Patent: February 17, 1998Assignee: Ciba Specialty Chemicals CorporationInventor: Bernhard Muller
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Patent number: 5718732Abstract: A process of dyeing natural or synthetic polyamide fibres in an aqueous exhaustion dyebath comprising an anionic dyestuff, comprising the steps of1. immersing the fibres to be dyed in the aqueous dyebath which has a temperature of from 20.degree.-50.degree. C. and a pH of 7-11 (7-8.5 when the polyamide is wool); and2. raising the temperature to 110.degree. C. maximum and maintaining it there until exhaustion is substantially complete;there being added to the dyebath, either prior to the commencement of temperature raising or after an alkaline migration period at the boil, an ester of a C.sub.2 -C.sub.3 hydroxycarboxylic acid with a C.sub.2 -C.sub.6 glycol and up to 30% by weight of the ester of a tertiary amine which is essentially non-volatile under the process conditions.Type: GrantFiled: July 3, 1996Date of Patent: February 17, 1998Assignee: Clariant Finance (BVI) LimitedInventors: Brian Bennett, deceased, Peter Bennett, administrator
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Method of producing dyed nylon walk-off mats having improved washfastness, and mats produced thereby
Patent number: 5707469Abstract: A method of making a dyed nylon walk-off mat having improved washfastness includes dyeing nylon yarn, or a tufted nylon mat, in a fiber reactive dye solution having a pH in the range of about 0.5 to about 2.5. The yarn is then heated, such as by steam, at a temperature above 200.degree. F., after which the yarn is treated with an alkaline solution followed by a heat treatment. A backing, such as of rubber or vinyl, is applied to the mat at an elevated temperature. The application of the backing at elevated temperature, and the heat treatment subsequent to application of the alkaline solution, may be performed simultaneously.Type: GrantFiled: March 11, 1996Date of Patent: January 13, 1998Assignee: Robert R. HixsonInventors: Robert R. Hixson, David R. Kelly, Hobert C. Sweatman -
Patent number: 5691459Abstract: Azo dyes of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are unsubstituted or hydroxy-, C.sub.1 -C4-alkoxy- or halogen-substituted C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy;unsubstituted or C.sub.1 -C4-alkyl-, C.sub.1 -C4-alkoxy- or halogen-substituted phenyl or phenoxy; ora radical of the formula --N(R.sub.3)R.sub.4, in which R.sub.3 und R.sub.4 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl, or C.sub.2 -C.sub.4 -alkanoyl which is unsubstituted or further substituted in the alkyl part by hydroxyl or C.sub.1 -C.sub.4 -alkoxy,with the proviso that R.sub.1 and R.sub.2 are not simultaneously methyl, produce dyeings with good fastnesses on fibre materials containing nitrogen or containing hydroxyl groups.Type: GrantFiled: July 15, 1996Date of Patent: November 25, 1997Assignee: Ciba-Geigy CorporationInventors: Jean-Marie Adam, Peter Sutter
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Patent number: 5679115Abstract: Process for dyeing or printing organic material, in particular fibre material which comprises applying dyes containing no polymerizable double bond together with at least one colorless cationic compound containing at least one polymerizable double bond and, if desired, one or more colorless nonionic compounds containing at least one polymerizable double bond and, if desired, further auxiliaries to the fibre material and then fixing them by means of ionizing radiation, or applying dyes containing no polymerizable double bond together with at least one colorless cationic compound containing one polymerizable double bond, and if desired, one or more colorless nonionic compounds containing at least one polymerizable double bond and at least one photoinitiator and also, if desired, further auxiliaries to the fibre material and then fixing them by means of UV light.Type: GrantFiled: August 28, 1995Date of Patent: October 21, 1997Assignee: Ciba-Geigy CorporationInventors: Katharina Fritzsche, Peter Aeschlimann, Peter Scheibli
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Patent number: 5667534Abstract: Dye mixtures which comprise at least one 1:2 chromium complex dye of the formula (1) ##STR1## together with at least one 1:2 chromium or 1:2 cobalt complex dye of two identical or two different azo compounds from the group consisting of compounds of the formulae (2), (3) and (4) or together with at least one 1:2 cobalt complex dye of the formazan compound of the formula (5) or together with at least one anthraquinone dye of the formula (6). The dyes of formulae (1) are defined herein.Type: GrantFiled: December 20, 1995Date of Patent: September 16, 1997Assignee: Ciba-Geigy CorporationInventors: Urs Lehmann, Marcel Frick
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Patent number: 5665124Abstract: Dyeings having improved properties are obtained with a dyestuff of the following formula ##STR1## wherein the substituents have the meaning given in the description.Type: GrantFiled: October 20, 1995Date of Patent: September 9, 1997Assignee: Bayer AktiengesellschaftInventors: Horst Jager, Joachim Wolff
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Patent number: 5660598Abstract: A dye of Formula (1): ##STR1## wherein: D is a group of Formula (2): ##STR2## or a group of Formula (3): ##STR3## or a group of Formula (4): ##STR4## The variables are defined in the specification. The dyes and dye mixtures produce blue to green shades on synthetic textile materials such as polyester which have good build up and good light- and wet-fastness.Type: GrantFiled: May 3, 1995Date of Patent: August 26, 1997Assignee: Zeneca LimitedInventors: Denise Cavanagh, Mark Robert James, Barry Huston Meyrick, Paul Wight
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Patent number: 5650497Abstract: Azo dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 independently of one another are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen,R.sub.6 is hydrogen or C.sub.1 -C.sub.4 Alkyl,X is --C.sub.1 -C.sub.4 alkylene-O--C.sub.1 -C.sub.4 alkyl andY is hydrogen; unsubstituted or hydroxy- or C.sub.1 -C.sub.4 alkoxy-substituted C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.4 -alkonoyl or C.sub.1 -C.sub.4 alkoxycarbonyl; a radical of the formula --CH.sub.2 --CH.dbd.CH.sub.2 ;C.sub.1 -C.sub.4 alkylsulfonyl; or unsubstituted or C.sub.1 -C.sub.4 alkyl-, C.sub.1 -C.sub.4 alkoxy- or halogen-substituted phenylsulfonyl, produce dyeings with good fastness properties on fibre materials containing nitrogen or containing hydroxyl groups.Type: GrantFiled: July 15, 1996Date of Patent: July 22, 1997Assignee: Ciba-Geigy CorporationInventors: Jean-Marie Adam, Peter Sutter
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Patent number: 5630851Abstract: A process for dyeing or printing polyamide material by the trichromatic technique using a dye mixture which contains least two yellow- or orange-dyeing dyes of formula (1) ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, and X is hydrogen or C.sub.1 -C.sub.4 alkyl; together with at least one red-dyeing dye of formulae (2) and (3) ##STR2## wherein R.sub.2 is C.sub.1 -C.sub.6 alkyl, phenyl or cyclohexyl and R.sub.3 is C.sub.1 -C.sub.6 alkyl, or wherein R.sub.2 and R.sub.3, together with the linking nitrogen atom, form an azepinyl ring, and R.sub.4 is hydrogen, C.sub.2 -C.sub.4 alkanoylamino or halogen; and together with at least one of the blue-dyeing dyes of formulae (4) and (5) ##STR3## wherein R.sub.5 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.6 is C.sub.1 -C.sub.4 alkyl or amino, R.sub.7 is hydrogen or methyl, and R.sub.8 is a C.sub.2-4 hydroxyalkylsulfamoyl radical, is disclosed.Type: GrantFiled: March 1, 1996Date of Patent: May 20, 1997Assignee: Ciba-Geigy CorporationInventors: Guido Jordine, Jean-Marie Adam
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Patent number: 5626632Abstract: A continuous dyeing, space dyeing or printing process for dyeing cationic dyeable polyamide fibers comprising the steps of applying a premetalized acid or acid dye to the fiber at a pH of 2.5 and below, and the dyed polyamide fiber resulting therefrom. The dyeing process generates cationic dyeable polyamide fiber dyed or printed in light to deep shades without bleeding and without producing badly contaminated dye water effluent.Type: GrantFiled: June 6, 1995Date of Patent: May 6, 1997Assignee: Ronile, Inc.Inventor: Geoffrey Boyes
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Patent number: 5613986Abstract: The invention is a method of producing a melt spun synthetic polymeric filament which has the superior deep dyeability thereof. The method includes the steps of application of a dye dispersed in water to the filaments during the drawing of the filament, and heat setting the surface dyed filaments to uniformly diffuse the dye throughout the total cross section of the filaments.Type: GrantFiled: May 22, 1996Date of Patent: March 25, 1997Assignee: Hoechst Celanese CorporationInventors: William E. Bessey, Joseph DaSilva
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Patent number: 5607483Abstract: A method is provide for dyeing a non-cellulosic organic material with a dye, preferably a vat dye, comprising (a) treating the material with a dye in the presence of a reducing agent and an alkali and (b) oxidising the treated material produced in step (a) characterised in that the concentration of reducing agent used in step (a) is increased above that used for conventional vat dyeing such that the resultant dyed material has a lightfastness of 5 or more by BS1006 B01 and B02 (1978) and/or has a washfastness of 5 or more by British Standard Test BS1006 CO6.C2 (1981). Preferably the step (a) is carried out in the presence of an alkali in concentration of greater than 0.1 molar, more preferably a concentration of 0.2 molar or more and most preferably greater than 1 molar.The method provides vat dyed non-cellulosic organic materials having a reflectance of infra-red light of wavelength 400 nm to 680 nm of less than 15%.Type: GrantFiled: April 4, 1995Date of Patent: March 4, 1997Assignee: The Secretary of State for Defence in her Britannic Majesty's Government of the U.K. of Great Britain & Northern IrelandInventors: Stephen M. Burkinshaw, Philip J. Brown
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Patent number: 5607481Abstract: Fiber-reactive anthraquinone dyes Anthraquinone dyes of the formula (1) ##STR1## in which the variables are defined in the disclosure, exhibit excellent fastness properties, in particular chlorine fastness, light fastness and wash fastness, and give good fixation yields.Type: GrantFiled: February 13, 1996Date of Patent: March 4, 1997Assignee: Hoechst AktiengesellschaftInventors: Werner H. Russ, Christian Schumacher
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Patent number: 5608041Abstract: Triazolopyridine azo dyestuffs of the formula ##STR1## where one of the two radicals A and E is nitrogen and the other is a radical of the formula C--R.sup.1, where R.sup.1 is unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl, unsubstituted or substituted phenyl or unsubstituted or substituted mercapto,one of the two radicals R.sup.2 and R.sup.4 is cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl and the other is a radical of the formula D--N.dbd.N--, where D is the radical of a diazo component from the aniline series,R.sup.3 is unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl or phenyl, andR.sup.5 is hydroxyl, mercapto, unsubstituted or substituted amino or the radical of a CH-acidic compound,and their use for dyeing or printing textile materials are described.Type: GrantFiled: February 14, 1996Date of Patent: March 4, 1997Assignee: BASF AktiengesellschaftInventors: Ernst Schefczik, Volker Bach, Helmut Reichelt, Clemens Grund
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Patent number: 5575821Abstract: A process for the dyeing of fiber materials with water-soluble anionic dyes, in particular those having a fiber-reactive group, is described, according to which dyeing is carried out using low-electrolyte or entirely electrolyte-free and/or low-alkali or entirely alkali-free dye solutions (dye liquors, printing pastes) and in which a fiber material is used which was modified by means of a saturated straight-chain or branched aliphatic or cycloaliphatic compound which is unsubstituted or substituted by one or more hydroxy groups and contains at least one primary, secondary or tertiary amino group or quaternary ammonium group and at least one hydrolyzable ester group, it also being possible for the aliphatic radical in this compound to be interrupted by one or more hetero groups.Type: GrantFiled: June 7, 1995Date of Patent: November 19, 1996Assignee: Hoechst AGInventors: Andreas Schrell, Werner H. Russ, Thomas Riehm
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Patent number: 5571290Abstract: Stain-resistant nylon, especially cationic-dyeable carpet nylon, is prepared by dyeing and/or printing cationic-dyeable nylon fibers with acid or premetallized dye. Lightfastness and depth of shade of an apparent value equal to acid dyeable nylons is obtained with superior stain resistance equal to commercially available solution dyed nylon carpeting.Type: GrantFiled: September 25, 1995Date of Patent: November 5, 1996Assignee: Burlington Industries, Inc.Inventor: William G. Jenkins
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Patent number: 5571898Abstract: There are described dyes of the formula ##STR1## where the ring A may be benzofused, R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.8 -alkanoyl, substituted or unsubstituted benzoyl, substituted C.sub.2 -C.sub.4 -alkanoyl, or substituted diaminotriazinyl,R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl or R.sup.1 and R.sup.2 together with the nitrogen atom joining them together are a heterocyclic radical,R.sup.3 and R.sup.4 are each substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, substituted or unsubstituted C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted piperidinyl and R.sup.3 may also be hydrogen,R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.2 -C.sub.5 -alkanoylamino, halogen, nitro, cyano, substituted or unsubstituted phenylazo, C.sub.2 -C.sub.4 -alkanoylamino substituted by a quaternizable or quaternary group, or C.sub.2 -C.sub.4 -alkoxy, C.sub.2 -C.sub.4 -alkoxycarbonyl or C.sub.2 -C.Type: GrantFiled: July 11, 1995Date of Patent: November 5, 1996Assignee: BASF AktiengesellschaftInventors: Ulrike Schloesser, Udo Mayer
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Patent number: 5563249Abstract: Acidic monoazo dyestuffs of formula I ##STR1## and their salts wherein the symbols R.sub.1 to R.sub.6, which possess the significances given in claim 1. These dyestuffs are suitable for dyeing or printing textile material consisting of natural or synthetic polyamides.Type: GrantFiled: June 21, 1995Date of Patent: October 8, 1996Assignee: Sandoz Ltd.Inventor: Jacky Dore
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Patent number: 5540739Abstract: A process for dyeing textile materials of naturally occurring and synthetic polyamide fibres, in which dyeing is carried out at the boiling point of the dyebath during a short dyeing time which is therefore gentle on the fibres, and level dyeings having good fastness properties are obtained (high temperature rapid dyeing process).The dyeing process is carried out with dyebaths with comprise specific surfactants. A high degree of exhaustion of the dye liquors is achieved, and dyeing from static baths is thus rendered possible.Type: GrantFiled: July 13, 1994Date of Patent: July 30, 1996Assignee: Ciba-Geigy CorporationInventors: Klaus Hannemann, Franz Gruner, Martin Jollenbeck, Jorg Binz
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Patent number: 5536819Abstract: A trisazo compound represented by the following formula (I) in the free acid form: ##STR1## wherein Q is an phenyl or naphthyl group both of which may be unsubstituted or substituted; one of the A and B is hydroxy group and the other is amino group; K is 1 or 2; and one of m and n is 1 and the other is 0; a method for dyeing fiber materials, paper or leather by using the trisazo compounds and an ink containing the trisazo compounds, and the trisazo compound is excellent in solubility, and good in storage stability and free from clogging of nozzle caused by deposition. The ink using the trisazo compound gives a deep black-colored image excellent in clarity, water-durability and durability to light.Type: GrantFiled: May 20, 1994Date of Patent: July 16, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Yuriko Tamura, Kazuya Ogino, Mahito Fujita, Takashi Omura, Hideo Kawashita, Koji Aburada
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Patent number: 5530130Abstract: Phthaloperinone dyestuffs of the general formula (I) ##STR1## wherein Z denotes SO.sub.2 or CO,A represents optionally substituted alkyl or aryl,and the other substituents have the meanings given in the description, are prepared by condensation of corresponding phthalic acids or functional derivatives thereof and optionally substituted 1,8-naphthalene-diamines.The dyestuffs according to the invention have very good fastnesses and are employed in processes for bulk dyeing plastics.Type: GrantFiled: August 12, 1994Date of Patent: June 25, 1996Assignee: Bayer AktiengesellschaftInventors: Peter Roschger, Volker Hederich, Stephan Michaelis
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Patent number: 5527887Abstract: Disazo acid dyestuff with the following general formula: ##STR1## wherein R represents H, C.sub.n H.sub.2n+1 wherein n is a natural number between 1 and 4, or (CH.sub.2).sub.m OR' wherein m is a natural number between 1 and 4 and R' represents C.sub.p H.sub.2p+1 wherein p is an integral number between 0 and 4; wherein R" represents H, CN or COOR wherein R has the same definition as above. The sulfo group may be at any position of the benzene ring.Type: GrantFiled: January 12, 1995Date of Patent: June 18, 1996Assignee: Allied Industrial Corp., Ltd.Inventors: Hsien-Chyang Tsien, Chen-Kung Chi, Hung Chang
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Patent number: 5527889Abstract: Azo dyes of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, unsubstituted C.sub.2 -C.sub.4 alkanoylamino or C.sub.2 -C.sub.4 alkanoylamino which is substituted by hydroxy, sulfo or sulfato, or are halogen or sulfo,R.sub.3, R.sub.4 and R.sub.5 are each independently of one another hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen or sulfo,R.sub.6 is hydrogen, C.sub.1 -C.sub.4 alkyl, halogen, sulfo, unsubstituted C.sub.2 -C.sub.4 alkanoylamino or C.sub.2 -C.sub.4 alkanoylamino which is substituted by hydroxy, sulfo or sulfato, or is a radical of formula --O--Y, wherein Y is hydrogen, C.sub.1 -C.sub.8 alkyl or C.sub.1 -C.sub.8 alkyl which is substituted by hydroxy, C.sub.1 -C.sub.4 alkoxy, sulfo or sulfato,R.sub.7 is hydrogen, C.sub.1 -C.sub.8 alkyl or hydroxy-substituted C.sub.1 -C.sub.8 alkyl, or C.sub.2 -C.sub.8 alkyl which is interrupted in the chain by the group --O-- or ##STR2## and X is C.sub.1 -C.Type: GrantFiled: April 17, 1995Date of Patent: June 18, 1996Assignee: Ciba-Geigy CorporationInventors: Jurgen Schaetzer, James C. Posey
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Patent number: 5525125Abstract: A process for fixing dyes impregnated in fine-dimensional synthetic textile substrates in an environmentally safe manner. The process comprises contacting the dyed synthetic substrates with an aqueous solution of a phenol- and formaldehyde-free dye-fixative composition containing a copolymer ofa) 1.0 to about 20 percent by weight of vinyl sulfonic acid residues;b) 5 to 20 percent by weight of nonpolar or hydrophobic monomer residues; andc) 60 to about 94 percent by weight of hydrophilic ethylenically unsaturated carboxylic acid residues, the copolymers having a weight average molecular weight of from about 1,500 to about 15,000. The contacting step is for a time sufficient so that the dye-fixative composition is absorbed by the fabric.Type: GrantFiled: May 8, 1995Date of Patent: June 11, 1996Assignee: Henkel CorporationInventors: Arthur H. Cole, Susan C. Glenn, Grannis S. Johnson
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Patent number: 5519121Abstract: Novel dyestuffs of the formula (I) ##STR1## in which DK denotes a radical of the formula ##STR2## where m is 1 or 2 and DK' denotes a radical of the formula ##STR3## where n is 1 or 2 R.sub.1 represents hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkyl,R.sub.2 represents hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,R.sub.3 represents substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -acylamino andR.sub.4 represents substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl.have now been found.The invention also relates to a process for their preparation and to their use for dyeing/coloring and printing textiles and paper, in particular in printing inks containing these dyestuffs.Type: GrantFiled: February 24, 1995Date of Patent: May 21, 1996Assignee: Bayer AktiengesellschaftInventors: Gerd-Friedrich Renner, Peter Wild, Karin Hassenruck
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Patent number: 5512064Abstract: Fiber materials are modified with a polyalkyleneimine polymer at crosslinking agent, preferably glyoxal, and optionally dyed with water-soluble, anionic dyes, preferably reactive dyes. The dyeing process with fiber materials modified according to the invention can be carried out low-salt or completely without salt and also alkali-free or using only minimal amounts of alkali.Type: GrantFiled: July 28, 1994Date of Patent: April 30, 1996Assignee: Hoechst AGInventors: Andreas von der Eltz, Joachim Clauss, Andreas Schrell
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Patent number: 5512059Abstract: A dyed union knit fabric comprised of at least a polyurethane elastic fiber containing a chlorine-induced degradation inhibitor in a proportion of 0.5-4.5 weight % relative to the weight of the fiber, and a polyamide fiber and/or a cation dyeable polyester fiber, which has been dyed with mixed dyes of acid dyes, dispersion dyes, metal-complex dyes, reactive dyes and direct dyes, and markedly improved in resistance to chlorine-induced change in shade by allowing to contain at least one compound having a reaction amount of chlorine of 50 milliequivalent per gram or more, specifically one member of mono- and/or polyhydroxybenzene derivatives in a proportion of 0.1-20% relative to the weight of the fiber; and a method for manufacturing same. According to the present invention, excellent resistance to chlorine-induced change in shade as well as chlorine-induced degradation can be afforded to the dyed union knit fabric.Type: GrantFiled: October 14, 1994Date of Patent: April 30, 1996Assignee: Toyo Boseki Kabushiki KaishaInventors: Yoshinori Ido, Shuji Chiba, Yoshikazu Arimatsu, Hajime Suzuki, Takehiko Shimizu
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Patent number: 5509940Abstract: The present invention provides a process for dyeing hydrophobic polymer fibers, including the step of contacting the goods with an amount of a dyeing solution effective to dye the goods, wherein the solution comprises an amount of a terpene/terpenoid solvent and a dyestuff. The present invention also provides a composition for dissolving and dispersing a dyestuff for dyeing hydrophobic polymer fibers, including effective amounts of a terpene/terpenoid solvent for dissolving the dyestuff.Type: GrantFiled: October 27, 1994Date of Patent: April 23, 1996Assignee: Arrow Engineering, Inc.Inventors: Jack J. Zbar, Robert B. Collier, Philip G. Carlson
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Patent number: 5500023Abstract: Disclosed herein is an ink-jet printing process comprising at least the steps of:(a) successively applying, as ink droplets, at least two inks of different colors to a cloth to form a color-mixed portion;(b) subjecting the cloth to a heat treatment to fix dyes contained in the inks to the cloth; and(c) washing the cloth to remove unfixed dyes from the cloth,wherein the inks comprise water, an organic solvent and individual reactive dyes different from each other in reaction rate, and the volume of a droplet of the ink containing a slower-reacting dye is made smaller upon the application of the inks.Type: GrantFiled: April 18, 1994Date of Patent: March 19, 1996Assignee: Canon Kabushiki KaishaInventors: Shoji Koike, Masahiro Haruta, Koromo Shirota, Tomoya Yamamoto, Mariko Suzuki
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Patent number: 5496381Abstract: Novel dye mixture comprising three to seven fiber-reactive dyes selected from dyes of the below-indicated and defined formulae (1) to (7) with the proviso that the dye mixture contain at least one representative of the formulae (1) and/or (2), at least one representative of the formulae (3) and/or (4) and at least one representative of the formulae (5) and/or (6) and/or (7): ##STR1##Type: GrantFiled: September 19, 1994Date of Patent: March 5, 1996Assignee: Hoechst AGInventors: Werner H. Russ, Kurt Hussong
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Patent number: 5493036Abstract: The invention relates to fibre-reactive anthraquinone dyes of formula ##STR1## wherein R.sub.1, R.sub.2, B, U, R and n are as defined in claim 1. The anthraquinone dyes of formula (1) are suitable for dyeing or printing hydroxyl group containing or nitrogen-containing fibre materials and give dyeings or prints of good allround fastness properties.Type: GrantFiled: September 19, 1994Date of Patent: February 20, 1996Assignee: Ciba-Geigy CorporationInventor: Jean-Marie Adam
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Patent number: 5487856Abstract: Described is a process for the manufacture of polyamide fibers having improved dye washfastness and heat stability by melt mixing a fiber forming polyamide with an additive such as water, an alcohol, an amine and a heat stabilizer such as a phenolic compound or a phosphite containing aryl groups or a mixture thereof to form a homogeneous mixture, melt spinning polyamide fibers, quenching, drawing and taking up the polyamide fibers.Type: GrantFiled: October 11, 1994Date of Patent: January 30, 1996Assignee: BASF CorporationInventor: Anil W. Saraf
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Patent number: 5488101Abstract: Herein is provided a trisazo compound represented by formula (I) in the free acid form: ##STR1## wherein Q.sub.1 is an unsubstituted or substituted phenylene or naphthylene group, Q.sub.2 is an unsubstituted or substituted phenyl or naphthyl group, Z is --SO.sub.2 CH.sub.2 CH.sub.2 OH or --SO.sub.2 CH.sub.2 CH.sub.2 SO.sub.3 H group, and L is 0 or 1. The trisazo compound provided herein is excellent in solubility and gives deep colored dyed product or image when used in dyeing or printing, so that it is useful as a dye and an ink. Herein are also provided a method for dyeing fiber materials, paper or leather by using said trisazo compound, and an ink containing said trisazo compound.Type: GrantFiled: June 5, 1992Date of Patent: January 30, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuya Ogino, Kingo Akahori, Naoki Harada, Yutaka Kayane, Hideo Kawashita, Mituhiro Ohta
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Patent number: 5484458Abstract: Triphendioxazine compounds corresponding to the formula ##STR1## which are suitable as fiber-reactive dyestuffs for dyeing and printing material, in particular fiber material, containing hydroxy and/or carboxamide groups, such as wool and synthetic polyamide fibers, and especially cellulose fibers, such as cotton, are described. In formula (1), M is hydrogen or an alkali metal and Z is a radical of the formula (2) ##STR2## in which R is hydrogen, sulfo, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, nitro or cyano, W is alkylene having 3 to 6 carbon atoms and the group --SO.sub.2 --Y is a fiber-reactive group of the vinyl sulfone series.Type: GrantFiled: May 16, 1994Date of Patent: January 16, 1996Assignee: Hoechst AktiengesellschaftInventors: Werner H. Russ, Horst Tappe, Christian Schumacher
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Patent number: 5484455Abstract: A process for dyeing cationic polyamide with a vinyl sulfone dye wherein said vinyl sulfone dyed polyamide is color stable. The vinyl sulfone dyed cationic polyamide may be overdyed with acid without staining the dyed cationic nylon.Type: GrantFiled: May 26, 1994Date of Patent: January 16, 1996Assignee: Hoechst Celanese CorporationInventor: Larry C. Kelley
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Patent number: 5466527Abstract: Stain-resistant nylon, especially cationic-dyeable carpet nylon, is prepared by dyeing cationic-dyeable nylon fibers with acid or premetallized dye. Lightfastness and depth of shade of an apparent value equal to acid dyeable nylons is obtained with superior stain resistance equal to commercially available solution dyed nylon carpeting.Type: GrantFiled: November 3, 1994Date of Patent: November 14, 1995Assignee: Burlington IndustriesInventor: William G. Jenkins
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Patent number: 5466805Abstract: 1,2-Naphthaloperinone dyestuffs of the formula (I) ##STR1## wherein Z denotes the radical for completion of a 1,2-naphthylene system and X, Y, n and m have the meaning given in the description, are prepared by condensation of substituted or unsubstituted naphthalene-1,2-dicarboxylic acids with substituted or unsubstituted naphthalene-1,8-diamines.The dyestuffs according to the invention have very good fastness properties and are employed in processes for bulk dyeing of plastics, preferably of vinyl polymers and polyesters.Type: GrantFiled: December 1, 1994Date of Patent: November 14, 1995Assignee: Bayer AktiengesellschaftInventor: Peter Roschger