Naphthoquinone Dye Patents (Class 8/663)
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Patent number: 8980141Abstract: A dye for a fluid of an electrowetting element, the dye having a general formula selected from the group consisting of: wherein Q has the general formula: -Het1R1 or -Het1R1R2; V has the general formula: -Het2R3 or -Het2R3R4; Het1 and Het2 are heteroatoms; R1 and R3 are H; R2 and R4 are any functional group; T and U are any functional group; W, X, Y and Z are H or an alkyl group; and F, G, L and M are H or an alkyl group, and with the proviso that the dye does not have the general formula: The present invention further relates to a fluid comprising a dye of the present invention, an electrowetting element and an optical display device comprising the fluid, and a use of the dye to reduce photo-bleaching.Type: GrantFiled: March 18, 2011Date of Patent: March 17, 2015Assignee: Amazon Technologies, Inc.Inventors: Melanie Maria Hubertina Van De Weijer-Wagemans, Romaric Massard, Robert A. Hayes
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Patent number: 8715369Abstract: The present invention provides a treatment composition comprising a hydrophobic dye.Type: GrantFiled: September 14, 2012Date of Patent: May 6, 2014Assignee: The Sun Products CorporationInventors: Stephen Norman Batchelor, Jayne Michelle Bird
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Publication number: 20100215754Abstract: A delivery system for various functional compounds is disclosed. The delivery system incorporates a composition containing alumina. Various functional materials containing particular moieties may be adsorbed onto the alumina and used as desired. The functional compounds can be, for instance, pharmaceuticals, xenobiotics, anti-microbial agents, anti-viral agents, UV absorbers, odor control agents, fragrances, and the like. In one particular embodiment, for instance, certain dyes can be adsorbed onto the alumina surfaces. Once the dye is adsorbed onto the alumina surface, the resulting particles can be combined with a liquid vehicle for use in any suitable printing process.Type: ApplicationFiled: February 23, 2010Publication date: August 26, 2010Applicant: KIMBERLY-CLARK WORLDWIDE, INC.Inventors: Jason Lye, John Gavin MacDonald
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Patent number: 6607565Abstract: Dye preparations comprising, based on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes selected from the class of the anthraquinones or quinophthalones which are free of ionic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensation product, from 10 to 90% by weight of a mono- or polyhydric alcohol and optionally water, are useful as inks in the inkjet process and also for sublimation transfer printing.Type: GrantFiled: May 25, 2000Date of Patent: August 19, 2003Assignee: BASF AktiengesellschaftInventors: Manfred Herrmann, Bernd Siegel, Karl Siemensmeyer
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Patent number: 6203578Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: September 29, 1999Date of Patent: March 20, 2001Assignee: L'OrealInventors: Madeleine Leduc, Hervé Richard, Alain Lagrange
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Patent number: 6176885Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibers and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: September 29, 1999Date of Patent: January 23, 2001Assignee: L'OrealInventors: Madeleine Leduc, Herv{acute over (e)} Richard, Alain Lagrange
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Patent number: 6027537Abstract: The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: October 30, 1997Date of Patent: February 22, 2000Assignee: L'OrealInventors: Madeleine Leduc, Herve Richard, Alain Lagrange
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Patent number: 6022379Abstract: Pyrrole derivatives of 1,4-naphthoquinone and of 1,4-dihydroxynaphthalene, dye compositions containing them and the corresponding dyeing process.Type: GrantFiled: February 27, 1998Date of Patent: February 8, 2000Assignee: L'OrealInventors: Sylvie Genard, Herve Andrean, Michel Hocquaux
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Patent number: 5582621Abstract: Bulk dyeing of plastics using dyestuffs of the formula (I) ##STR1## wherein n denotes 1 or 2, preferably 1,R.sub.o for n=1, denotes aryl, hetaryl or heterocyclylidenemethyl, or for n=2, denotes a direct bond or arylene andthe ring A is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.6 -C.sub.10 -aryl, C.sub.1 -C.sub.4 -alkyloxy, C.sub.6 -C.sub.10 -aryloxy, C.sub.6 -C.sub.10 -aryl- or C.sub.1 -C.sub.4 -alkylsulphonyl, cyano, halogen, in particular chlorine or bromine, or a radical of the formula --COR.sub.1, wherein R.sub.1 represents C.sub.1 -C.sub.4 -alkoxy, amino, C.sub.1 -C.sub.4 -alkylamino, di-C.sub.1 -C.sub.4 -alkylamino, C.sub.6 -C.sub.10 -arylamino, C.sub.1 -C.sub.4 -alkyl or C.sub.6 -C.sub.10 -aryl, or contains a fused-on aromatic or cycloaliphatic ring,the plastics used being, in particular, thermoplastics, preferably vinyl polymers, polyesters or polyamides.Type: GrantFiled: September 13, 1995Date of Patent: December 10, 1996Assignee: Bayer AktiengesellschaftInventors: Peter Roschger, Stephan Michaelis, Hauke Furstenwerth
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Patent number: 5358538Abstract: A process for the production of a black coloring material characterised by treating a compound selected from finely powdered sugar, protein and a polyamide polymer, having amino groups with a naphthoquinone derivative represented by the general formula (1): ##STR1## wherein R.sub.1 represents a hydrogen atom, a hydroxyl group, a halogen atom, or a group represented by the following formula: ##STR2## wherein R.sub.2 represents a hydrogen atom or a hydroxyl group, R.sub.3 represents an alkyl group, an alkenyl group or a hydroxylalkyl group, and n represents 1 or 2; cosmetics comprising a black coloring material produced by the above process; and a process for staining a substrate using the obtained black coloring material.Type: GrantFiled: March 10, 1992Date of Patent: October 25, 1994Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Susumu Shimoyama, Ujo Maeda, Keiko Maeda, Yasuko Noda, Kunio Kataoka, Eiichi Eto, Satoru Shimoyama, Tasuku Shimoyama
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Patent number: 5259849Abstract: The invention relates to compositions, which are stable on storage, of certain benzoquinone and naphthoquinone dyestuffs in an anhydrous solvent containing a non-ionic surface-active agent.Type: GrantFiled: June 10, 1992Date of Patent: November 9, 1993Assignee: L'OrealInventors: Jean F. Grollier, Jean Cotteret
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Patent number: 5232462Abstract: The invention relates to dye mixtures which contain dyes of the formulae ##STR1## and to dyes of the formula ##STR2## in which A.sub.1, A.sub.2, A.sub.3, B, B.sub.1, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, Z.sub.1, Z.sub.2, X.sub.1, X.sub.2 and X.sub.3 are as defined in claim 1. The dyes and dye mixtures are distinguished by generally good properties and produce dyeings and prints having good wet and light fastness properties.Type: GrantFiled: September 20, 1991Date of Patent: August 3, 1993Assignee: Ciba-Geigy CorporationInventor: Athanassios Tzikas
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Patent number: 4895575Abstract: The invention relates to the use of 5-hydroxy-1,4-naphthoquinones of the formula: ##STR1## in which R.sub.1 and R.sub.2, which are identical or different, independently of one another denote a hydrogen atom, a methyl, methoxy or nitro group or a halogen atom; R.sub.3 and R.sub.4, which are identical or different, independently of one another denote a hydrogen atom or a hydroxyl, methyl or methoxy group; and R.sub.5 denotes a hydrogen atom or a methyl or methoxy group, with the proviso that at least one of the substituents R.sub.1 and R.sub.2 is different from hydrogen, if R.sub.3, R.sub.4 and R.sub.5 simultaneously denote a hydrogen atom, for dyeing human keratin fibres, in particular the hair.Type: GrantFiled: June 23, 1988Date of Patent: January 23, 1990Assignee: L'OrealInventors: Michel Hocquaux, Jean Cotteret, Georges Rosenbaum
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Patent number: 4412074Abstract: The invention discloses novel 2-alkyl-5-alkylsulfonyl-4,6-dihalopyrimidines of the formula I ##STR1## wherein each of R.sup.1 and R.sup.2 independently is straight chain or branched chain C.sub.1 -C.sub.5 alkyl, and each of Y and Y.sup.1 is chlorine, fluorine or bromine. The compounds of the formula (I) can be obtained e.g. by reacting a 2-alkyl-4,6-dihydroxypyrimidine, in the presence of a chlorinating, brominating and/or fluorinating agent, with a dialkyl sulfoxide, and then oxidizing the compound obtained. The compounds of the formula (I) are valuable intermediates which are suitable e.g. for the manufacture of reactive dyes.Type: GrantFiled: December 10, 1981Date of Patent: October 25, 1983Assignee: Ciba-Geigy CorporationInventors: Karl Hoegerle, Kurt Ohnemus
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Patent number: 4300901Abstract: A liquid dyestuff composition, especially suitable for dyeing paper, comprises:(a) 5-40% by weight of a dyestuff having the formula: ##STR1## wherein X is hydrogen or an alkali metal cation, n represents an integer from 1 to 2, Q and Q.sub.1 together form a fused benzene or naphthalene residue, and Y is a residue having the formula ##STR2## whereby ring A, the fused residue formed by Q and Q.sub.1, or the residue Y can each be further substituted by one or more alkyl, alkoxy, hydroxy, carboxy or dehydrothio-p-toluidine groups or halogen atoms;(b) 1-10% by weight of an alkali metal hydroxide;(c) 45-75% by weight of a polyhydric alcohol or a water-soluble ether thereof; and(d) 0-40% by weight of water.Type: GrantFiled: May 27, 1980Date of Patent: November 17, 1981Assignee: Ciba-Geigy CorporationInventors: Brian L. Yates, Malcolm C. Clark