Heterocyclic Onium Group, E.g., Pyridinium, Etc. Patents (Class 8/655)
-
Patent number: 8845761Abstract: Disclosed are compositions containing: a) 25-60% by weight of compound of formula (1) wherein X is hydrogen, an alkali or alkaline-earth metal, ammonium, alkylammonium and alkanolalkylammonium, alkanolammonium; b) at least 25% by weight of urea; c) up to 50% by weight of water.Type: GrantFiled: March 15, 2013Date of Patent: September 30, 2014Assignee: 3V Sigma S.P.A.Inventors: Carlo Seccomandi, Ivan Balestra, Paolo Alioli
-
Patent number: 8632610Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.Type: GrantFiled: February 16, 2009Date of Patent: January 21, 2014Assignee: Conopco Inc.Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
-
Patent number: 8398722Abstract: The invention relates to the dyeing of keratin materials using phenylpyrido[1,2-a]indolinium-derived thiol and disulfide fluorescent dyes. The invention relates to a dye composition comprising a phenylpyrido[1,2-a]indolinium-derived-chromophore thiol or disulfide dye and to a dyeing process with a lightening effect on keratin materials, in particular keratin fibers, especially human keratin fibers, such as the hair, using said composition. It similarly relates to novel phenylpyrido[1,2-a]indolinium-derived-chromophore thiol dyes and to the uses thereof in lightening keratin materials. This composition makes it possible to obtain a coloring with a lightening effect which is particularly resistant and visible on dark keratin fibers.Type: GrantFiled: September 18, 2008Date of Patent: March 19, 2013Assignee: L'OrealInventors: Andrew Greaves, Nicolas Daubresse
-
Publication number: 20120328975Abstract: A perimidine-based squarylium dye contains a compound represented by Formula (I), the compound containing an isomer A and satisfying the following formula: Pa?95(%) wherein the isomer A is an isomer of the peak shown in the longest retention time among all peaks due to isomers obtained by analysis of the compound by means of reversed-phase high-performance liquid chromatography, and Pa represents a value of the peak area of the isomer A relative to the peak area of all peaksType: ApplicationFiled: December 6, 2011Publication date: December 27, 2012Applicant: FUJI XEROX CO., LTD.Inventors: Minquan TIAN, Takashi MATSUBARA, Suguru NAKASO, Yuka ITO, Shinji HASEGAWA, Makoto FURUKI
-
Publication number: 20120192364Abstract: The present invention provides a laundry treatment composition comprising a cationic phenazine dye.Type: ApplicationFiled: October 1, 2010Publication date: August 2, 2012Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
-
Publication number: 20120036652Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.Type: ApplicationFiled: April 8, 2010Publication date: February 16, 2012Inventors: Stephen Norman Batchelor, Jayne Michelle Bird
-
Patent number: 8062382Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.Type: GrantFiled: February 16, 2009Date of Patent: November 22, 2011Assignee: Conopco Inc.Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
-
Publication number: 20110072595Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.Type: ApplicationFiled: February 16, 2009Publication date: March 31, 2011Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
-
Patent number: 7311736Abstract: The invention concerns the use as direct dyeing agent of at least one tetra-azapentamethine compound, a dyeing composition comprising at least such a compound, as well as a method for dyeing keratinous fibers, in particular human keratinous fibers and more particularly hair, which consists in applying at least one composition comprising such a compound. The composition also concerns tetra-azapentamethine compounds of formula (I). The invention further concerns a method for bleaching such compounds, as well as bleaching keratinous fibers previously dyed therewith.Type: GrantFiled: July 4, 2003Date of Patent: December 25, 2007Assignee: L'OrealInventors: Herve Burgaud, Herve David, Rui Pereira, Beatrice Belcour-Castro
-
Patent number: 7288639Abstract: The present disclosure relates to dissymmetrical cationic diazo compounds having at least one 4-pyridinium unit and a cationic or non-cationic linker. The disclosure further relates to dyeing compositions comprising these compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers. Further, the disclosure relates to a method of coloring keratin fibers that employs this composition, and a device having a plurality of compartments.Type: GrantFiled: December 15, 2005Date of Patent: October 30, 2007Assignee: L'Oreal S.A.Inventors: Hervé David, Andrew Greaves, Nicolas Daubresse
-
Patent number: 7288120Abstract: The present disclosure relates to processes for synthesizing tetraazapentamethine compounds that comprise reacting at least one compound of azine type with at least one oxidizing agent. The disclosure also relates to processes for dyeing keratin fibers, for example human keratin fibers, that comprise using such synthetic processes.Type: GrantFiled: December 13, 2004Date of Patent: October 30, 2007Assignee: L'Oreal S.A.Inventors: Rui Pereira, Hervé Burgaud
-
Patent number: 7247713Abstract: The present disclosure relates to symmetrical cationic diazo compounds of formula (I), the resonance forms, and also the acid addition salts and/or the solvates thereof: The present disclosure further relates to dyeing compositions comprising such compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers, and also to a method of coloring keratin fibers that employs this composition, and a multi-compartment kit containing such compositions.Type: GrantFiled: December 15, 2005Date of Patent: July 24, 2007Assignee: L'Oreal, S.A.Inventors: Hervé David, Andrew Greaves, Nicolas Daubresse
-
Patent number: 7220286Abstract: The present invention relates to cationic direct dyes of formula (I) below: in which W1 represents —NR8— or —O—; X1 represents N; CR9; R1 and R2, which may be identical or different, represent a hydrocarbon chain; R3 and R4, which may be identical or different, represent a hydrogen atom, a halogen atom, a nitro group, a cyano group or a hydrocarbon chain; R5, R6, R7, R8 and R9, which may be identical or different, represent a hydrogen atom or a hydrocarbon chain; L represents a specific bridging group and X represents a cosmetically acceptable organic or mineral anion. It likewise relates to a dye composition comprising, in a medium suitable for dyeing human keratin fibers, such a dye, a process using it, and also a multicompartment device.Type: GrantFiled: January 13, 2005Date of Patent: May 22, 2007Assignee: L'Oreal SAInventor: Andrew Greaves
-
Patent number: 7166710Abstract: The present invention relates to novel cationic dye of formula (1) and (1a) wherein A is an organic radical of formula (2) or (3) wherein R1 and R2 are each independently of the other unsubstituted or substituted C1–C14alkyl or an aryl radical, R3 is hydrogen, unsubstituted or substituted C1–C14alkyl, unsubstituted or substituted C1–C14alkoxy, cyan or halogenid, R4 is hydrogen, unsubstituted or substituted C1–C14alkyl or an aryl radical, and X? is an anion. Further, the present invention relates to compositions thereof, especially comprising other dyes, to processes for the preparation thereof and to the use thereof in the dyeing of organic material, such as keratin, wool, leather, silk, paper, cellulose or polyamides, and preferably human hair.Type: GrantFiled: March 16, 2004Date of Patent: January 23, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Victor Paul Eliu, Beate Fröhling
-
Patent number: 7166711Abstract: The present invention relates to novel cationic dye of formula (1) wherein R1 and R7 are each independently of the other hydrogen, hydroxyl; unsubstituted or substituted C1–C6alkyl, aryl radical or C114 C6alkoxy; or —NR3R4, wherein R3 and R4 are each independently of the other hydrogen, unsubstituted or substituted aryl radical or C1–C6alkyl, and R2 is hydrogen, hydroxyl, unsubstituted or substituted C1–C6alkyl, aryl radical or C1–C6alkoxy, —NR3R4, or an organic radical of formula (2) wherein R5 is hydrogen, unsubstituted or substituted aryl radical or C1–C6alkyl, and X? is an anion. Further, the present invention relates to compositions thereof, especially comprising other dyes, to processes for the preparation thereof and to the use thereof in the dyeing of organic material, such as keratin, wool, leather, silk, cellulose or polyamides, and preferably human hair.Type: GrantFiled: February 20, 2004Date of Patent: January 23, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Victor Paul Eliu, Beate Fröhling
-
Patent number: 7060110Abstract: The invention concerns a novel dyeing composition for dying keratinous fibers, in particular human hair, comprising a dicationic monoazo dye, and the dyeing method using said composition and the novel compounds of formulae (I) or (II).Type: GrantFiled: April 3, 2002Date of Patent: June 13, 2006Assignee: L'OrealInventors: Laurent Vidal, Hervé David
-
Patent number: 6762287Abstract: Dyes of formula (1) or (2) wherein R1, R1′, R2 and R2′ are each independently of the others hydrogen, C1-C4alkyl, halogen or nitro, R3, R3′, R4 and R4′ are each independently of the others C1-C4alkyl unsubstituted or substituted by OH, C1-C4alkoxy, halogen, CN or phenyl, R5 is hydrogen or C1-C4alkyl, R6 is unsubstituted or amino-substituted C5-C12alkyl; or unsubstituted or amino-substituted C5-C8cycloalkyl; or phenyl-substituted C1-C4alkyl; or wherein R5 and R6 together with the nitrogen atom linking them from a piperazine ring, which is substituted, at the nitrogen atom that is not bonded to the phenyl group, by C1-C4-alkyl or phenyl, the alkyl and phenyl radicals mentioned as substituents of the nitrogen atom of the piperazine ring being unsubstituted or substituted by amino, X1, X2, X3 and X4 are each independently of the others hydrogen, C1-C4alkyl, C1-C4alkoxy or halogen, Y1 is a bridging member of formula (I) or —NH—(CH2)6—NH—, and X− is an anion, asType: GrantFiled: April 10, 2003Date of Patent: July 13, 2004Assignee: Ciba Specialty Chemicals CorporationInventor: Peter Möckli
-
Patent number: 6645259Abstract: Cationic aminoanthraquinones in which at least one cationic charge is delocalized on a 5-membered unsaturated polynitrogen-containing heterocycle, their use as a direct dye in dyeing compositions for keratinous materials, in particular for human keratinous fibers such as hair, dyeing compositions containing them, and dyeing methods using these compositions.Type: GrantFiled: July 9, 2002Date of Patent: November 11, 2003Assignee: L'Oreal S.A.Inventors: Alain Genet, Alain Lagrange
-
Patent number: 6638321Abstract: The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z, Z being chosen from aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing them and to oxidation dyeing processes using them.Type: GrantFiled: June 7, 1999Date of Patent: October 28, 2003Assignee: L'OrealInventors: Alain Genet, Alain Lagrange
-
Patent number: 6623531Abstract: The invention relates to a hair dye composition having markedly high dyeing power, less color fade over time, and undergoes a small change in the color tone of the dye even after storage.Type: GrantFiled: June 26, 2001Date of Patent: September 23, 2003Assignee: Kao CorporationInventors: Yukihiro Ohashi, Hajime Miyabe, Kenichi Matsunaga
-
Patent number: 6592633Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using the composition.Type: GrantFiled: May 25, 1999Date of Patent: July 15, 2003Assignee: L'Oreal S.A.Inventors: Gérard Lang, Jean Cotteret
-
Publication number: 20030019053Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, this composition having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using it.Type: ApplicationFiled: April 6, 1999Publication date: January 30, 2003Inventor: CHRISTINE RONDEAU
-
Patent number: 6451071Abstract: This invention relates to colorants comprising organic chromophores, in particular reactive dyes, which comprise electrophilic reactive groups, and which are also covalently bonded to fatty amine moieties through amino linking groups. Such colorants provide excellent colorability and long-term stability, both within (or on) colored substrates and upon long-term storage. Such colorants exhibit particularly good coloring and stability within hydrocarbon compositions, such as fuels, mineral oil, and the like, and wax compositions, including candles, crayons, and the like. Methods of making such colorants as well as methods of coloring hydrocarbon and wax compositions are also contemplated within this invention.Type: GrantFiled: March 28, 2000Date of Patent: September 17, 2002Assignee: Milliken & CompanyInventor: John D. Bruhnke
-
Patent number: 6436153Abstract: The invention relates to a direct dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing and which is free of oxidases or oxidoreductases, at least one cationic direct dye of given formula and at least one specific polyol and/or polyol ether. Subjects of the invention are also the dyeing processes and devices/kits using the said composition.Type: GrantFiled: May 28, 1999Date of Patent: August 20, 2002Assignee: L'Oréal S.A.Inventor: Christine Rondeau
-
Patent number: 6379398Abstract: Dibenzenic ortho-phenylenediamines comprising at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains comprising at least one quaternized saturated ring, and aliphatic chains comprising at least one quaternized unsaturated ring, to their use as oxidation base, coupler or autooxidizable dye for the oxidation dyeing of keratin fibers, to dye compositions containing them, and to oxidation dyeing processes using them.Type: GrantFiled: September 1, 1999Date of Patent: April 30, 2002Assignee: L'OrealInventors: Alain Genet, Alain Lagrange
-
Publication number: 20020046432Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, this composition having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using it.Type: ApplicationFiled: April 6, 1999Publication date: April 25, 2002Inventor: CHRISTINE RONDEAU
-
Patent number: 6371994Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising at least one cationic direct dye of given formula and at least glycerol and/or one specific polyol and/or polyol ether. The invention also relates to the dyeing processes and devices using this composition.Type: GrantFiled: May 28, 1999Date of Patent: April 16, 2002Assignee: L'Oreal S.A.Inventors: Gérard Lang, Jean Cotteret
-
Patent number: 6358286Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibers, and in particular human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one oxidation base and at least one specific cationic dye as direct dye, as well as to the dyeing process using this composition.Type: GrantFiled: May 26, 1999Date of Patent: March 19, 2002Assignee: L'Oreal S.A.Inventors: Gérard Lang, Jean Cotteret
-
Patent number: 6340371Abstract: Monobenzenic ortho-phenylenediamines comprising at least one cationic group Z, Z being chosen from aliphatic chains, comprising at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing them and to oxidation dyeing processes using them.Type: GrantFiled: September 1, 1999Date of Patent: January 22, 2002Assignee: L'Oreal S.A.Inventors: Alain Genet, Alain Lagrange
-
Patent number: 6306181Abstract: The invention relates to novel 4-hydroxyindole derivatives comprising at least one cationic group Z, Z being selected from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring, and aliphatic chains containing at least one quaternized unsaturated ring, to their use as a coupler for the oxidation dyeing of keratinous fibers, to the dyeing compositions comprising them, and to the methods of oxidation dyeing which employ them.Type: GrantFiled: September 21, 1999Date of Patent: October 23, 2001Assignee: L'OrealInventors: Eric Terranova, Aziz Fadli, Alain Lagrange
-
Patent number: 6287348Abstract: This invention relates to colorants comprising organic chromophores, in particular reactive dyes, which comprise electrophilic reactive groups, and which are also covalently bonded to fatty amine moieties through amino linking groups. Such colorants provide excellent colorability and long-term stability, both within (or on) colored substrates and upon long-term storage. Such colorants exhibit particularly good coloring and stability within hydrocarbon compositions, such as fuels, mineral oil, and the like, and wax compositions, including candles, crayons, and the like. Methods of making such colorants as well as methods of coloring hydrocarbon and wax compositions are also contemplated within this invention.Type: GrantFiled: December 15, 1998Date of Patent: September 11, 2001Assignee: Milliken & CompanyInventor: John D. Bruhnke
-
Patent number: 6270533Abstract: The invention relates to novel dibenzene oxidation bases containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibres, to dye compositions containing them and to oxidation dyeing processes using them.Type: GrantFiled: June 7, 1999Date of Patent: August 7, 2001Assignee: L'Oreal S.A.Inventors: Alain Genet, Alain Lagrange
-
Patent number: 6221113Abstract: A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a phenolic derivative of at least 1 g/liter at a temperature of 25° C. and the composition being made up to 100 wt % by water and optionally a water-miscible solvent and/or a dissolving auxiliary; a process of dyeing a substrate like paper with such composition; a powder or granulate form of such composition and the use of such a composition or powder or granulate thereof in a dyeing process.Type: GrantFiled: January 13, 1998Date of Patent: April 24, 2001Assignee: Clariant Finance (BVI) LimitedInventor: Jürgen Geiwiz
-
Patent number: 6045591Abstract: The invention relates to a process for the two-step direct dyeing of keratin fibres, comprising bleaching the keratin fibres; and applying to the keratin fibres a dye composition comprising at least one partially dissolved basic direct dye and an aqueous medium, wherein the dye composition is ready to use or results from mixing, at the time of use, at least one pulverulent composition (P) comprising at least one basic direct dye and an aqueous composition (A).Type: GrantFiled: December 7, 1998Date of Patent: April 4, 2000Assignee: L'OrealInventor: Christelle Deneulenaere
-
Patent number: 5944856Abstract: A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a phenolic derivative of at least 1 g/liter at a temperature of 25.degree. C. and the composition being made up to 100 wt % by water and optionally a water-miscible solvent and/or a dissolving auxiliary; a process of dyeing a substrate like paper with such composition; a powder or granulate form of such composition and the use of such a composition or powder or granulate thereof in a dyeing process.Type: GrantFiled: January 13, 1998Date of Patent: August 31, 1999Assignee: Clariant Finanace (BVI) LimitedInventor: Jurgen Geiwiz
-
Patent number: 5888252Abstract: A process for dyeing keratin-containing fibers, comprises treating said fibers with a tinctorially effective amount of a dye of the formula ##STR1## where D is the radical of a diazo component of the formula ##STR2## R.sub.1 is an unsubstituted C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkyl substituted with OH, C.sub.1 -C.sub.4 alkoxy, halogen, CN, amino, C.sub.1 -C.sub.4 monoalkylamino, or di-C.sub.1 -C.sub.4 alkylamino, R.sub.2 and R.sub.3 are independently of each other hydrogen, an unsubstituted C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkyl substituted with OH, C.sub.1 -C.sub.4 alkoxy, halogen, CN, amino, C.sub.1 -C.sub.4 monoalkylamino, or di-C.sub.1 -C.sub.4 alkylamino, or R.sub.3 and R.sub.2, together with the nitrogen and carbon atoms joining them together form a 5- or 6-membered ring, R.sub.5 is hydrogen, C.sub.1 -C.sub.4 alkoxy, halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -Calkylcarbonylamino, or R.sub.5 and R.sub.Type: GrantFiled: February 21, 1997Date of Patent: March 30, 1999Assignee: Ciba Specialty Chemicals CorporationInventor: Peter Mockli
-
Patent number: 5749925Abstract: 4,5-Dihydro-1H-1,2,3-triazolium compounds of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 independently of one another denote C.sub.6 -C.sub.14 -aryl or a heterocyclic radical having up to 3 rings and up to 4 heteroatoms from the series consisting of O, S and N,R.sup.3 and R.sup.4 independently of one another denote hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.4 -C.sub.8 -cycloalkyl, C.sub.7 -C.sub.17 -aralkyl, C.sub.6 -C.sub.14 -aryl or nitrile orR.sup.3 and R.sup.4 together denote a 2- to 5-membered C bridge, which can optionally be interrupted by up to two oxygen and/or nitrogen atoms, andX.sup.- denotes an anion,wherein all the alkyl, alkenyl, cycloalkyl, aralkyl and aryl radicals and fused and heterocyclic radicals present can optionally be substituted by nonionic substituents, carboxyl groups, ammonium groups and/or pyridinium groups, are used as dyestuffs.New 4,5-dihydro-1H-1,2,3-triazolium compounds correspond to the formula (I), with the provisos that if R.sup.Type: GrantFiled: June 26, 1996Date of Patent: May 12, 1998Assignee: Bayer AktiengesellschaftInventors: Thomas Bocker, Horst Berneth, Henry Giera
-
Patent number: 5733343Abstract: Keratin-containing fibres, in particular human hair, are dyed using dyes of formulae (1) to (6) indicated in claim 1. These dyes make it possible to dye by the trichromatic principle even in dark shades.Type: GrantFiled: November 26, 1996Date of Patent: March 31, 1998Assignee: Ciba Specialty Chemicals CorporationInventor: Peter Mockli
-
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
-
Patent number: 5674299Abstract: The cationic or basic dyes of formulae (1) and (2) cited in claim 1 are particularly suitable for dyeing paper.These dyes dye paper in a yellow, orange or brown shade having good fastness properties.Type: GrantFiled: July 12, 1995Date of Patent: October 7, 1997Assignee: Ciba-Geigy CorporationInventor: Adolf Kaser
-
Patent number: 5580964Abstract: Cationic 1,3,4-thiadiazole dyestuffs of the formula ##STR1## in which the symbols used have the meaning given in the description, corresponding anhydrobases, processes for the preparation of the cationic 1,3,4-thiadiazole dyestuffs, their use for dyeing and printing various materials and as dichroic dyestuffs in polarizing films, and various materials which comprise such dyestuffs.Type: GrantFiled: March 23, 1995Date of Patent: December 3, 1996Assignee: Bayer AktiengesellschaftInventors: Horst Berneth, Uwe Claussen, Werner Hartwich, Peter Wild
-
Patent number: 5545724Abstract: The invention relates to cationically bridged tetrakisazo compounds, corresponding to formula I, ##STR1## wherein the individual symbols are defined as in claim 1, as well as residues and liquid preparations thereof. The compounds and their preparations are used for dyeing and printing hydroxy-group-containing or nitrogen-containing organic substrates by a known method. Preferred substrates are textile materials which consist of or contain cellulose, especially cotton, or also bast fibres, leather and preferably paper or paper pulp products, especially wood-containing paper.Type: GrantFiled: October 10, 1995Date of Patent: August 13, 1996Assignee: Sandoz Ltd.Inventor: Helmut A. Moser
-
Patent number: 5496378Abstract: Basic dyes of the formula ##STR1## where n is from 1 to 3,CuPc is a copper phthalocyanine radical,R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.2 is C.sub.1 -C.sub.4 -alkyl,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is C.sub.1 -C.sub.4 -alkyl andAn.sup..crclbar. is the equivalent of an anion,with the proviso that R.sup.1 and R.sup.3 are not both hydrogen, are useful for dyeing or printing polymeric material.Type: GrantFiled: September 12, 1994Date of Patent: March 5, 1996Assignee: BASF AktiengesellschaftInventors: Heidi Hengelsberg, Manfred Ruske, Udo Mayer
-
Patent number: 5474578Abstract: A hair fiber having a first color is contacted with a dye having the formula I, formula II, formula III or a mixture thereof whereby the fiber has imparted to it a second color, upon subsequent contact with alkaline peroxide the visual appearance of the first color is restored to the fiber.Type: GrantFiled: October 3, 1994Date of Patent: December 12, 1995Assignee: Clairol, Inc.Inventors: Alexander C. Chan, Alice A. Mayer, Jia-Shen Wang, Gottfried Wenke, Mu-Ill Lim
-
Patent number: 5328993Abstract: The new cationic triazatrimethine dyestuffs of the formula ##STR1## wherein the substituents B, Z, R.sup.2 and An.sup..crclbar. have the meaning given in the description, are suitable for dyeing and printing naturally occurring and synthetic materials.Type: GrantFiled: April 15, 1993Date of Patent: July 12, 1994Assignee: Bayer AktiengesellschaftInventors: Hauke Furstenwerth, Karl-Heinrich Lange, Roderich Raue, Alfred Brack
-
Patent number: 5286854Abstract: Basic azo dyes useful for dyeing or printing polymeric material have the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkanoylamino,R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or a radical of the formula CO-X, andX is hydroxyl, C.sub.1 -C.sub.4 -alkoxy, amino, mono- or di(C.sub.1 -C.sub.6 -alkyl)amino or a radical of the formula ##STR2## where n is 0 or 1,R.sup.3, R.sup.4 and R.sup.5 are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl,R.sup.6 is hydrogen or C.sub.1 -C.sub.4 -alkyl,L is C.sub.2 -C.sub.6 -alkylene, andAn.sup..crclbar. is one equivalent of an anion,with the proviso that at least one basic or quaternary radical is present in the molecule.Type: GrantFiled: December 30, 1992Date of Patent: February 15, 1994Assignee: BASF AktiengesellschaftInventors: Erwin Hahn, Heidi Hengelsberg, Udo Mayer
-
Patent number: 5163972Abstract: Process to dye polyacrylonitrile in blue shades with cationic dye compounds: substituted benzothiazolium azo N-alkyl-N-hydroxyalkyl alkyl-aniline salts.Type: GrantFiled: December 3, 1990Date of Patent: November 17, 1992Assignee: Ciba-Geigy CorporationInventors: Wilfried Herter, Josef Koller
-
Patent number: 5125930Abstract: Polymeric cationic dyes wherein the same or different monomer components represented by the following formula (1) are linked at the terminal amino groups by a crosslinking agent:H.sub.2 N--A--CH.dbd.CH--B (1)in which A represents a substituted or unsubstituted benzene ring and B represents the radical of a quaternized methylene active compound. The dyes are used in particular for dyeing paper.Type: GrantFiled: November 27, 1990Date of Patent: June 30, 1992Assignee: Nippon Chemical Works Co., Ltd.Inventor: Koichi Taniguchi
-
Patent number: 5096459Abstract: Aromatic polyamide fibers, which have been dried and/or crystallized, are steam dyed with a water-soluble dye padded onto the surface of fibers, along with a small amount of a carrier.Type: GrantFiled: March 25, 1991Date of Patent: March 17, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventor: Hamid M. Ghorashi
-
Patent number: 5077396Abstract: Compounds of the formula ##STR1## wherein each A is independently linear or branched C.sub.2-6 alkylene or linear or branched C.sub.3-6 alkylene substituted by hydroxy,each D is independently the radical of a diazo component of the benzene, azobenzene or naphthalene series, E is a divalent radical attached to each --N.sup..sym. R.sub.3 R.sub.4 -- radical through an aliphatic carbon atom,each R.sub.1 is independently hydrogen, C.sub.1-4 alkyl, cyclohexyl, phenyl or phenyl(C.sub.1-2 alkyl),each R.sub.2 is independently hydrogen, cyano, --COOR.sub.5, --CONR.sub.6 R.sub.7 or ##STR2## wherein R.sub.5 is hydrogen, C.sub.1-4 alkyl or phenyl(C.sub.1-2 alkyl),each of R.sub.6 and R.sub.7 is independently hydrogen or C.sub.1-4 alkyl,each R.sub.8 is independently C.sub.1-4 alkyl, and r is 0, 1, 2 or 3,each R.sub.3 is independently C.sub.1-4 alkyl or C.sub.1-4 alkyl monosubstituted by halo, cyano, hydroxy or phenyl,each R.sub.4 is independently hydrogen, C.sub.1-4 alkyl or C.sub.Type: GrantFiled: May 14, 1990Date of Patent: December 31, 1991Assignee: Sandoz Ltd.Inventors: Helmut A. Moser, Roland Wald