Aldehyde Patents (Class 8/608)
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Patent number: 8551188Abstract: Composition comprising a hydrophobic dye, a particular organic and/or mineral alkaline agent, a particular compound (I) and a particular organic compound (II), and dyeing use thereof. The present invention relates to a dye composition comprising one or more hydrophobic direct dyes with a log P of greater than or equal to 2, one or more organic alkaline agents, and/or one or more mineral alkaline agents chosen from carbonates, hydrogen carbonates, sodium hydroxide and potassium hydroxide, and mixtures thereof, one or more compounds (I) comprising in their structure a sequence: and one or more organic compounds (II) with a Hansen solubility parameter ?H of less than or equal to 16 MPa1/2 and with a molecular weight of less than 250 g/mol. The invention also relates to a dyeing process that consists in applying such a composition to keratin fibers.Type: GrantFiled: September 1, 2010Date of Patent: October 8, 2013Assignee: L'OrealInventors: Boris Lalleman, Alain Lagrance
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Patent number: 8034125Abstract: The present invention relates to the dyeing of keratin materials using two colorless dye precursors, at least one of which contains a disulfide/thiol unit, said precursors reacting together chemically to form the color in situ. The process according to the invention makes it possible in the context of certain variants to solve the problems caused by the color generated during the process, while at the same time not degrading the efficacy of the coloration, and especially of the lightening effect. The colorations obtained are moreover powerful, chromatic, sparingly selective, and fast with respect to external agents such as sunlight, perspiration and especially shampoo.Type: GrantFiled: September 23, 2008Date of Patent: October 11, 2011Assignee: L'Oreal S.A.Inventors: Andrew Greaves, Nicolas Daubresse
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Patent number: 7799096Abstract: The invention relates to an agent for dying fibers comprising keratin, particularly human hair, the agent comprising at least one compound of the formula: together with at least one CH-acidic compound. The invention also relates to methods for shading oxidation dyed fibers, methods for freshening up fibers, methods for making an agent for dyeing fibers and to various compositions.Type: GrantFiled: November 20, 2007Date of Patent: September 21, 2010Assignee: Henkel AG & Co. KGaAInventors: Wibke Gross, Doris Oberkobusch, Ralph Nemitz
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Patent number: 7678156Abstract: Compositions suitable for treating keratinic fibers, in particular human hair, are disclosed, which compositions comprise: (i) at least one component selected from the group consisting of salt compounds of general formula I, enamine counterparts of salt compounds of general formula I, and mixtures thereof: Where each Me represents a methyl group, R represents a substituent selected from the group consisting of an allyl group, a hydroxy-(C2-6)-alkyl group, a benzyl group, and substituted benzyl groups, and X? represents a physiologically compatible anion; and (ii) at least one aldehyde selected from the group consisting of 4-hydroxy-3-methoxybenzaldehyde, 3,5-dimethoxy-4-hydroxybenzaldehyde, 4-hydroxy-1-naphthaldehyde, 4-hydroxy-2-methoxybenzaldehyde, 3,4-dihydroxy-5-methoxybenzaldehyde, 3,4,5-trihydroxybenzaldehyde, 3,4-dibromo-4-hydroxybenzaldehyde, 4-hydroxy-3-nitrobenzaldehyde, 3-bromo-4-hydroxybenzaldehyde, 4-hydroxy-3-methylbenzaldehyde, 3,5-dimethyl-4-hydroxy-benzaldehyde, 5-bromo-4-hydroxy-3-methoxType: GrantFiled: August 18, 2005Date of Patent: March 16, 2010Assignee: Henkel AG & Co. KGaAInventors: Wibke Gross, Sandra Mausberg, Doris Oberkobusch, Horst Höffkes
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Patent number: 7611547Abstract: A process for dyeing a thermoplastic elastomeric substrate comprising immersing the substrate into a dye system comprising at least one metal complex dye and a solvent system comprising water and an organic solvent. The organic solvent may be soluble, partially miscible with water or insoluble or nearly insoluble in water. In particular, the substrate is an inflated bladder such as an airbag used in athletic shoes.Type: GrantFiled: October 30, 2006Date of Patent: November 3, 2009Assignee: Nike, Inc.Inventors: Anna Bracken, Chang Yihua
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Patent number: 7481848Abstract: A method for producing a colored cellulose fiber, comprising: a step (1) of introducing a carboxylic group or a sulfonic acid group into cellulose fiber, and a step (2) of treating the cellulose fiber having the carboxylic group or the sulfonic acid group introduced with an aromatic derivative having one or more hydroxyl groups and a metal salt simultaneously or separately, and a colored cellulose fiber produced by the same method.Type: GrantFiled: November 8, 2004Date of Patent: January 27, 2009Assignee: Kurashiki Boseki Kabushiki KaishaInventors: Masahiro Nakazaki, Kunihiro Ohshima, Susumu Katsuen, Atsushi Igami
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Patent number: 7476263Abstract: A coloring method of a tangible matter having a polyamide bond, characterized in that the tangible matter having a polyamide bond is treated with an aqueous solution containing an aromatic derivative having one or more hydroxyl groups and a metal salt at a temperature of 40° C. or more, and a polyamide tangible matter colored by such a method.Type: GrantFiled: November 8, 2004Date of Patent: January 13, 2009Assignees: Kurashiki Boseki Kabushiki Kaisha, Fukuoka Prefectural GovernmentInventors: Masahiro Nakazaki, Kunihiro Ohshima, Kiyoshi Donowaki, Kentaro Kawamura
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Publication number: 20080244840Abstract: This invention relates to a process for modifying aramid fibers so as to improve their capacity to be dyed, including the following steps: a) a step of treating said fibers so as to reduce the glass transition temperature Tg thereof to a value Tg1, in which Tg1 is lower than Tg; b) a step of contacting said fibers thus treated with a solution including nanoparticles at a temperature above or equal to Tg1.Type: ApplicationFiled: April 2, 2008Publication date: October 9, 2008Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Olivier RACCURT, Bocar Noel Diop, Sephane Roux, Olivier Tillement
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Patent number: 7393367Abstract: An agent for dyeing keratin-containing fibers, especially human hair, is comprised of a cosmetic carrier, and (A) at least one compound of Formula I, wherein each of R1, R2 and R3 is independently a hydrogen atom, a halogen atom, a C1-C6 alkyl group, a C2-C6 alkenyl group, a hydroxyl group, a C1-C6 alkoxy group, a C1-C6 hydroxyalkyl group, a C2-C6 polyhydroxyalkyl group, a hydroxy C1-C6 alkyloxy group, a sulfonyl group, a carboxyl group, a C1-C6 alkoxycarbonyl group, a hydroxy C2-C6 alkyloxycarbonyl group, a sulfonic acid group, a sulfonamido group, a sulfonamide group, a C2-C6 acyl group, a formyl group, a nitro group, a carbamoyl group —C(O)—NR4R5, or a —(CH2)nNR6R7 group wherein each of R4, R5, R6 and R7 is independently a hydrogen atom, a C1-C6 alkyl group or a C2-C6 hydroxyalkyl group; and n is number from 0 to 6, wherein R1 and R2 can form a 5- or 6-membered aromatic or heteroaromatic ring; and (B) at least one CH-acidic compound.Type: GrantFiled: November 8, 2007Date of Patent: July 1, 2008Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Wibke Gross, Horst Hoffkes, Doris Oberkobusch, Helmut Muller, Carsten Brake
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Patent number: 7303591Abstract: A dye composition comprising at least one mixed dye comprising at least two chromophore chosen from azine and (hetero)aromatic nitro compounds, optionally associated with at least one chromophore chosen from methine and carbonyl compounds; a process for dyeing keratin fibers, for example, human keratin fibers, such as the hair, using the composition, a multi-compartment device comprising the composition; and the abovementioned mixed dyes.Type: GrantFiled: February 28, 2005Date of Patent: December 4, 2007Assignee: L'Oreal S.A.Inventors: Andrew Greaves, Hervé David, Henri Samain
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Patent number: 7300471Abstract: Disclosed herein are a dye composition comprising at least one mixed dye comprising at least one chromophore chosen from chromophores of the azo family and the tri(hetero)arylmethane family; and the mixed dyes. Further disclosed herein are a process for dyeing keratin fibers, such as human keratin fibers, using the composition, and a device comprising the composition.Type: GrantFiled: February 28, 2005Date of Patent: November 27, 2007Assignee: L'Oreal S.A.Inventors: Andrew Greaves, Hervé David, Henri Samain
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Patent number: 7288121Abstract: The present invention relates to a dye composition including at least one mixed dye containing at least one chromophore of methine or carbonyl type or their combinations. The invention furthermore relates to a process for dyeing keratin fibers, especially human keratin fibers, such as the hair, using the composition, and also to a suitable kit. The invention also relates to the abovementioned mixed dyes per se.Type: GrantFiled: February 28, 2005Date of Patent: October 30, 2007Assignee: L'Oreal S.A.Inventors: Andrew Greaves, Hervé David, Henri Samain
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Patent number: 7204857Abstract: The present invention relates to the use, for dyeing keratin fibres, of at least one specific compound containing active methylene and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, which makes it possible to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibres.Type: GrantFiled: December 22, 1999Date of Patent: April 17, 2007Assignee: L'Oreal S.A.Inventors: Hervé Andrean, Alain Lagrange
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Patent number: 7201779Abstract: The invention relates to a dye composition comprising a direct dye consisting of different chromophores, the dye having a particular L*a*b* value. The invention also relates to the dyeing process using this composition and to the use of this composition for dyeing keratin fibers. These compositions in particular make it possible to obtain particularly fast colorations.Type: GrantFiled: June 16, 2004Date of Patent: April 10, 2007Assignee: L'Oreal S.A.Inventors: Henri Samain, Grégory Plos, Leila Hercouet, Andrew Greaves
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Patent number: 7132000Abstract: Agent for oxidative dyeing of keratin fibers based on developers and couplers and containing at least one aldehyde of general formula (I) or (II) as well as the use of the aldehydes of formula (I) or (II) for increasing the color intensity of oxidative colorants and/or for shortening the time of exposure to oxidative colorants.Type: GrantFiled: December 12, 2002Date of Patent: November 7, 2006Assignee: Wella AGInventors: Hansruedi Muerner, Manuela Javet, Dominique Le Cruer
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Patent number: 7105032Abstract: A composition for dyeing keratin-containing fibers, particularly human hair, comprising 1,2-dihydropyrimidinium derivatives in combination with reactive carbonyl compounds and methods of employing this combination for dyeing keratin-containing fibers, for color restoration or shading keratin-containing fibers that are already dyed.Type: GrantFiled: March 1, 2005Date of Patent: September 12, 2006Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)Inventors: Wibke Gross, Sandra Mausberg, Horst Hoeffkes, Doris Oberkobusch
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Patent number: 7060109Abstract: Compositions and method for coloring keratin fibers consisting of derivatives of benzo[b]furan-3-one and/or benzo-[b]-thiophen-3-one compounds with special reactive components. These compositions form intensely colored compounds when applied to keratin fibers. The compositions may also be used with substantive dyes and/or oxidation colorants.Type: GrantFiled: September 11, 2001Date of Patent: June 13, 2006Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGa A)Inventors: Horst Hoeffkes, Karin Nelles, Hinrich Moeller
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Patent number: 7056348Abstract: A method for the synthesis of 5-aryl-1,3,3,-trimethyl-2-methylene-indoline derivatives of Formula (I) or its salts of Formula (Ia) wherein 1 mole of a 5-aryl-2,3,3-trimethyl-3H-indole derivative of Formula (VII) is reacted for 1 to 44 hours at a temperature of 20° to 180° C. in an apolar, aprotic or polar, protic or polar aprotic solvent with 1 to 50 moles of a compound of Formula R1-A; new compounds of Formulas (I)/(Ia) and (V), obtainable by this method as well as an agent containing at least one compound of Formula (I)/(Ia) and a carbonyl/imine compound for dyeing keratinic fibers and a method for temporarily dyeing keratin fibers, for which the keratin fiber is dyed with the aforementioned agent and the dyeing, so obtained, is removed again at any later time by a sulfite preparation.Type: GrantFiled: January 24, 2002Date of Patent: June 6, 2006Assignee: Wella AGInventors: Guido Sauter, Hans-Juergen Braun, Nadia Reichlin
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Patent number: 6790239Abstract: A coloring composition and a method of coloring keratin-containing fibers are provided. The coloring composition contains a mixture of and/or a reaction product of at least one aromatic aldehyde or ketone and at least one CH-active compound. In the method of the present invention, the aromatic aldehyde or ketone and the CH-active compound may be applied to keratin-containing fibers simultaneously or successively.Type: GrantFiled: April 18, 2002Date of Patent: September 14, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hinrich Moeller, Doris Oberkobusch, Horst Hoeffkes
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Patent number: 6770102Abstract: A coloring composition and a method of coloring keratin-containing fibers are provided. The coloring composition contains a mixture of and/or a reaction product of at least one aromatic aldehyde or ketone and at least one CH-active compound. In the method of the present invention, the aromatic aldehyde or ketone and the CH-active compound may be applied to keratin-containing fibers simultaneously or successively.Type: GrantFiled: May 3, 2002Date of Patent: August 3, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hinrich Moeller, Doris Oberkobusch, Horst Hoeffkes
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Patent number: 6755872Abstract: A coloring composition and a method of coloring keratin-containing fibers are provided. The coloring composition contains a mixture of and/or a reaction product of at least one heteroaromatic aldehyde or ketone and at least one aromatic and/or heteroaromatic nitroamine. In the method of the present invention, the heteroaromatic aldehyde or ketone and the nitroamine may be applied to keratin-containing fibers simultaneously or successively.Type: GrantFiled: May 21, 2002Date of Patent: June 29, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hinrich Moeller, Doris Oberkobusch, Horst Hoeffkes
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Patent number: 6740128Abstract: The object of the invention is a preparation for dyeing fibers, especially hair, which is prepared before use by mixing an acidic component (A1), containing at least an enamine of formula (I) or its acid addition salt of Formula (Ia) with an alkaline component (A2), containing at least one carbonyl compound and at least one primary amine, as well as a method for temporarily dyeing fibers, by means of which the coloration, obtained with the aforementioned dyeing preparation, is removed once again at any later time by a sulfite-containing decolorizing agent.Type: GrantFiled: December 20, 2001Date of Patent: May 25, 2004Assignee: Wella AktiengesellschaftInventors: Manuela Javet, Catherine Mueller
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Patent number: 6652601Abstract: The object of the present invention is an agent for dyeing fibers obtained by mixing two components and characterized in that one component (component A2) contains at least one carbonyl compound and the other component (component A1) contains at least one indoline derivative of formula (I) or a 3H-indoline derivative of formula (Ia) as well as a multicomponent kit for dyeing and later decolorizing fibers, said kit containing both an agent according to the invention for producing a coloration on the fiber and an agent for the reductive removal of said coloration.Type: GrantFiled: October 17, 2001Date of Patent: November 25, 2003Assignee: Wella AktiengesellschaftInventors: Guido Sauter, Hans-Juergen Braun, Nadia Reichlin
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Patent number: 6458168Abstract: The present invention relates to the use, for dyeing keratin fibers, of at least one aliphatic cationic amine and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, in order to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibers. The invention also relates to dye compositions comprising these compounds and to dyeing agents for using them.Type: GrantFiled: October 25, 2000Date of Patent: October 1, 2002Assignee: L'Oreal S.A.Inventors: Alain Lagrange, Hervé Andrean
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Patent number: 6451067Abstract: The present invention relates to the use, for dyeing keratin fibres, of at least one heterocyclic cationic amine and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, in order to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibres. The invention also relates to dye compositions comprising these compounds and to dyeing agents for using them.Type: GrantFiled: October 27, 2000Date of Patent: September 17, 2002Assignee: L'Oreal S.A.Inventors: Alain Lagrange, Hervé Andrean
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Patent number: 5961670Abstract: New sulfur dyes comprising in their preparation at least one sulfur dye intermediate of the formula I ##STR1## wherein R and R.sub.1 are independently nitro, nitroso or amino, are produced by including in their preparation at least one modifying agent selected from the group of: A) an aldehyde; B) urea; C) a benzoquinone or naphthoquinone; and D) monoethanolamine or by treating an already prepared sulfur dye involving such an intermediate in its preparation, with at least one aldehyde, benzoquinone or naphthoquinone or with monoethanolamine.Type: GrantFiled: October 30, 1996Date of Patent: October 5, 1999Assignee: Clariant Finance (BVI) LimitedInventors: Philip N. Cote, Xiangfu Lan, Alex I. Shakhnovich, Manuel Jose Domingo
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Patent number: 5611818Abstract: By reducing a sulphur dye (S) in aqueous medium with a reducing carbonyl compound in the presence of alkali metal hydroxide and optionally alkali metal (bi)sulphite at temperatures above 60.degree. C. and drying the reaction mixture, there are obtained very stable leuco sulphur dyes (L), which are practically free of sulphides and polysulphides, are readily and completely soluble in water and are usable for the dyeing of substrates dyeable with sulphur dyes, by which a disturbing development of H.sub.2 S or a disturbing inorganic sulphide occurrance in the waste water can be efficiently avoided; by spray-drying in a drying time <4 minutes as described there are obtained sulphide-free, stable leuco sulphur dyes (L) readily soluble in water and particularly suitable for sulphide-free dyeing, in particular for the dyeing of polyamidic fibrous substrates, especially of wool.Type: GrantFiled: November 22, 1993Date of Patent: March 18, 1997Assignee: Sandoz Ltd.Inventor: Manuel J. Domingo
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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: 5069681Abstract: There is disclosed a process for the photochemical stabilization of dyed polyamide fibre materials, which comprises treating the dyed material with an aqueous foamed composition which contains at least a non-dyeing copper complex of bisazomethines, acylhydrazones, semicarbazones or thiosemicarbazones of aromatic aldehydes or ketones or oximes.By means of the process of this invention it is possible to prevent wastewater from being contaminated with copper-containing impurities.Type: GrantFiled: December 26, 1990Date of Patent: December 3, 1991Assignee: Ciba-Geigy CorporationInventors: Thys Bouwknegt, Claude Dietz
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Patent number: 4990164Abstract: A process is described for the photochemical stabilization of undyed and dyed polyamide fibre material, and blends thereof with other fibres, using photochemically stabilizing compositions based on copper compounds of phenols, which process comprises treating the polyamide fibre material with fibre-reactive organic copper complexes of the reaction products of o-hydroxybenzoyl derivatives of the formula ##STR1## wherein R is hydrogen or C.sub.1 -C.sub.4 alkyl and the OH substituent is located in the 3-, 4- or 5-position, with aliphatic diamines or hydroxylamine. The copper complex compounds are distinguished by a high rate of exhaustion on to the polyamide fibre material, a feature which is significant in economic terms because of the low consumption of product.Type: GrantFiled: September 27, 1989Date of Patent: February 5, 1991Assignee: Ciba-Geigy CorporationInventors: Helmut Huber-Emden, Gerhard Reinert
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Patent number: 4932977Abstract: Combined indole-aldehyde compositions for dyeing natural fibers, particularly for coloring human hair, are taught wherein the combined indole-aldehyde composition is either preformed or reacted in site on the natural fiber under acidic conditions. A method employing said compositions is also taught.Type: GrantFiled: November 21, 1988Date of Patent: June 12, 1990Assignee: Clairol IncorporatedInventor: Thomas M. Schultz
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Patent number: 4880434Abstract: Dyed and finished products of cellulose fiber materials superior in fastness properties are obtained without change in color shade by finishing dyed products with a fixing agent or/and a finishing agent capable of bonding with cellulose through a bridge formation, the dyed products being obtained by dyeing cellulose fiber materials with a dye represented by the following formula in the free acid form, ##STR1## wherein A is phenylene or naphthylene, B is alkyl, alkenyl, phenyl, naphthyl or heterocyclic group, Me is metal ion, X is --O-- or ##STR2## Y is alkoxy, phenoxy or amino, Z is sulfo or the like water-solubility-imparting group, m and n are each 0 or an integer of 1 to 3, provided that the sum is 1 to 3, D is phenylene or naphthylene, Q is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 L in which L is splittable group by the action of an alkali and R is hydrogen or alkyl.Type: GrantFiled: July 12, 1988Date of Patent: November 14, 1989Assignee: Sumitomo Chemical Company, LimitedInventors: Naoki Harada, Tetsuya Miyamoto, Kunihiko Imada, Takashi Omura
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Patent number: 4680033Abstract: In the conventional discharge printing on polyamide fiber materials using acid dyes, above all, the very low wet and light fastness properties of the designs obtained in this manner are frequently an obstacle to the wide expansion of this interesting technique in practice. Applying this known patterning method for wool or nylon to resist prints made with reactive dyes being distinguished by better fastness level, does not always produce satisfactory white resist effects when, for example, sulfite compounds as the resist agent and reactive dyes having esterified .beta.-hydroxyethylsulfonyl groups as the reactive radical are taken into consideration; colored effects having a bright hue are not even possible at all in various cases.Type: GrantFiled: October 25, 1985Date of Patent: July 14, 1987Assignee: Hoechst AktiengesellschaftInventors: Bernd Durl, Johannes Bos, Sienling Ong, Peter Raffel, Kurt Brozat
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Patent number: 4655783Abstract: A process for photochemical stabilization of non-dyed and dyed polyamide fibre material and mixtures thereof with other fibres which comprises treating the fibre material with a fibre-reactive copper complex of bisazomethines prepared from, for example, salicylaldehydes and aliphatic diamines is described. Some of these copper complexes used are novel compounds. The polyamide fibre material, for example textile material, thus treated largely retains its extensibility and elasticity even after relatively prolonged exposure to light. In addition, a clear improvement in light-fastness is achieved in dyed material by treatment with the metal complex.Type: GrantFiled: November 12, 1985Date of Patent: April 7, 1987Assignee: Ciba-Geigy CorporationInventors: Gerhard Reinert, Helmut Huber-Emden, Gerhard Back
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Patent number: 4432900Abstract: Bleed-fast, dyes cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble aldehyde, preferably formaldehyde, glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the aldehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.Type: GrantFiled: July 14, 1981Date of Patent: February 21, 1984Assignee: Scott Paper CompanyInventor: Alex Pociluyko
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Patent number: 4420310Abstract: Watersoluble oxalkylated novolaks of the formula ##STR1## wherein R.sup.1 is alkyl of 1 to 18 carbon atoms, R.sup.2 is hydrogen or R.sup.1, X is ethylene or propylene, m is 6 to 100 and n is 1 to 12, are preparation agents for disperse dyestuffs. Disperse dystuff preparations containing these compounds have a stable and uniform distribution of the dyestuff particles, even with high dyestuff concentrations, and show good dyeing properties, low or no foam in dyebaths and useful viscosities in printing pastes.Type: GrantFiled: January 14, 1980Date of Patent: December 13, 1983Assignee: Hoechst AktiengesellschaftInventors: Konrad Opitz, Max Grossmann, Hurbert Kruse, Manfred Schneider, Heinz Uhrig
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Patent number: 4383835Abstract: The light fastness of polyamide dyeings can be improved by treating polyamide fibre materials, before, during or after dyeing, with copper complexes of the reaction products of salicylaldehydes with amines (for example cyclohexylamine), or with copper complexes of o-hydroxybenzophenones.Type: GrantFiled: October 15, 1981Date of Patent: May 17, 1983Assignee: Bayer AktiengesellschaftInventors: Reinhard Preuss, Joachim Grutze, Ulrich Beck, Hellmuth Pantke, Karl Vogel
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Patent number: 4359419Abstract: Bleed-fast, dyed cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble dialdehyde, preferably glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the dialdehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.Type: GrantFiled: October 26, 1979Date of Patent: November 16, 1982Assignee: Scott Paper CompanyInventor: Alex Pociluyko
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Patent number: 4340386Abstract: Bleed-fast, dyed cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble aldehyde, preferably formaldehyde, glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the aldehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.Type: GrantFiled: November 14, 1980Date of Patent: July 20, 1982Assignee: Scott Paper CompanyInventor: Alex Pociluyko
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Patent number: 4304566Abstract: A process for the dyeing of textiles consisting of wool without anti-felt finish or wool having an anti-felt finish in the form of a coating of a polyimine resin or a polyacrylic resin, or textiles containing such wool, with reactive dyes according to the exhaust method, which comprises dyeing said textiles in aqueous dyeing baths containing at least one commercial reactive dyestuff the starting pH of which is in the weakly acidic to neutral range, by heating rapidly to the dyeing temperature of 110.degree. to 125.degree. C. immediately after addition of the dissolved dyestuff, and by dyeing at this temperature for 10 to 20 minutes, while omitting the addition of pH-regulating substances during the whole dyeing operation.Type: GrantFiled: November 1, 1979Date of Patent: December 8, 1981Assignee: Hoechst AktiengesellschaftInventors: Hans-Ulrich von der Eltz, Armand Lehinant, Joachim W. Lehmann, Hans-Peter Maier
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Patent number: 4278433Abstract: A process for the production of resist prints under reactive dyes on textile materials which consist of cellulose fibers or a blend of cellulose fibers with other fibers, using reaction products of bisulfite adducts of aldehydes of 2 to 6 carbon atoms, or of ketones, with ammonia, primary amines or secondary amines in the molar ratio of from 3:1 to 1:1 as resists. Preferably, reaction products of a bisulfite adduct of acetaldehyde and ammonia in the molar ratio of from 3:1 to 1:1 are employed as resists. Because of the high stability of the resist print pastes, high color yields of the resist dye and satisfactory, reproducible resist effects of the ground dye are achieved.Type: GrantFiled: April 18, 1980Date of Patent: July 14, 1981Assignee: BASF AktiengesellschaftInventors: Adolf Blum, Siegmar Lukas, Hermann Schwab, Rolf Strobel