Azo Dye Patents (Class 8/466)
  • Publication number: 20150143639
    Abstract: Reactive dyes of formula (1), wherein Me is chromium, cobalt or iron, R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, E is a bivalent radical of formula (1a), (1b) or (1c) wherein X denotes chlorine or fluorine, T is a fibre-reactive radical of formula (2a), (2b), (2c), (2d), (2e), or (2f), (R3)0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo, Z is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2 group, q is the number 0 or 1, G is a bivalent radical of formula (1d) or (1e) wherein (R2)s denotes s identical or different substituents from the group halogen, nitro, unsubstituted or halo-substituted C1-C4alkyl, C2-C4alkanoylamino, C1-C4alkylsulfonyl, carbamoyl, sulfamoyl, sulfo and -E-T, wherein E and T are as defined above, s is the number 0, 1, 2 or 3, A denotes a bivalent radical of formula (3a), (3b) or (3c), wherein R1, R2, X, T, q and s are as def
    Type: Application
    Filed: April 25, 2013
    Publication date: May 28, 2015
    Inventors: Alexander Mueller, Kurt Plattner, Damien Schoehn, Rainer Hildebrand
  • Patent number: 8992633
    Abstract: Disclosed are compounds of formula (1) or formula (2). The compounds are useful for the dyeing of organic materials, such as keratin fibers, wool, leather, silk, cellulose or polyamides, especially keratin-containing fibers, cotton or nylon, and preferably hair, more preferably human hair. (1) (2).
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: March 31, 2015
    Assignee: BASF SE
    Inventors: Sophie Marquais-Bienewald, Christian Cremer, Beate Frohling
  • Patent number: 8961621
    Abstract: The present invention relates to dyes of formula (1), wherein each of the residues D1 and D2 represents a radical of formula (2), wherein Ar1 represents the tetravalent radical of a carbocylic or heterocyclic aromatic compound, R1, R2 and R3 are each independently of the other hydrogen, C1-C12alkyl, C1-C12alkoxy, halogen, —OH, —CN, —NO2, —CF3, —SO3H, —NHCOR4, —COOR5, —CONR6R7, —SO2NR8R9, —NR10SO2R11, —SO2R13— or —ZCH2CH2Q, wherein Z is —O—, —SO2—, —NR12—, —CONH— or —NHCO—, Q represents —OH, C1-C12alkyl, —SO2R13—, —NHR14—, —OCH2CH2OH, —SO2CH2CH2OH or —NHCH2CH2OH, R4 is C1-C12alkyl, R5, R6, R7, R8, R9, R10, R12, R13 and R14 are each independently of the others hydrogen or C1-C12alkyl, and R11 is C1-C122alkyl, with the proviso that at least one of the residues D1 and D2 is a radical of formula (2) wherein R3 is —COOR5, —SO2NR8R9, —SO2R13— or —ZCH2CH2Q, dichromatic and trichromatic mixtures containing these dyes and the use of these dyes for dyeing or printing hydroxyl group-containing or nitrogen-containing fibr
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: February 24, 2015
    Assignee: Huntsman International LLC
    Inventors: Alexander Mueller, Rainer Hildebrand, Siro Dalle-Nogare
  • Publication number: 20150037546
    Abstract: A coloring composition for inkjet textile printing, containing water and a dye represented by Formula (I) [R1 represents H, halogen, alkyl, aralkyl, aryl, heteroaryl, alkoxy, or cyano; R2 represents H, halogen, cyano, —COOR6, —COR7, —CONR8R9, or an ionic hydrophilic group; R3 represents alkyl, aralkyl, alkenyl, alkynyl, aryl, or heteroaryl; each of R4 and R5 independently represents H, alkyl, cycloalkyl, aralkyl, alkenyl, alkynyl, aryl, or heteroaryl; R15 represents H or a substituent; X represents alkyl, cycloalkyl, aralkyl, aryl, heteroaryl, —COR12, or —CONR13R14; R6 represents alkyl, aryl, or heteroaryl; each of R7 to R14 independently represents H, alkyl, aryl, or heteroaryl; and a number of ionic hydrophilic groups in one molecule is from 1 to 5].
    Type: Application
    Filed: October 20, 2014
    Publication date: February 5, 2015
    Inventors: Kazunari YAGI, Yasuhiro ISHIWATA, Yutaro NORIZUKI
  • Patent number: 8932370
    Abstract: Dyes, compositions comprising dyes and methods for using the same are provided.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: January 13, 2015
    Assignee: Living Proof, Inc.
    Inventors: Jana Lewis, Lorna Nagamoottoo-Casse, David Puerta
  • Patent number: 8758451
    Abstract: Dyes, compositions comprising dyes and methods for using the same are provided.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: June 24, 2014
    Assignee: Living Proof, Inc.
    Inventors: Jana Lewis, Lorna Nagamoottoo-Casse, David Puerta
  • Patent number: 8734532
    Abstract: The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: May 27, 2014
    Assignee: Kemira Oyj
    Inventors: Helmut-Martin Meier, Christof Heide, Klaus-Günter Strumpf, Thomas Hübbe
  • Patent number: 8709104
    Abstract: The invention relates to specific dye-ascorbic acid derivatives and the use thereof as dyes for the coloring of matrices, such as, for example, skin, hair, nails or textiles, and a process for the preparation thereof, a process for the coloring of matrices, and a composition comprising these dye-ascorbic acid derivatives, and a process for the preparation of these compositions. On use of the specific dye-ascorbic acid derivatives according to the invention, a positive effect on the moisture content of the matrices arises.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: April 29, 2014
    Assignee: Merck Patent GmbH
    Inventors: Thomas Rudolph, Philipp Buehle
  • Patent number: 8506652
    Abstract: The present invention is directed to a disperse dye of formula (1) Wherein, X, Y and Z are, independently, hydrogen, halogen, cyano, nitro or SO2F; Wherein at least one of X, Y and Z is SO2F. R1 is hydrogen, methyl, hydroxyl or NHR4; R2 is hydrogen, chloro or methoxy; R3 is hydrogen, (C1-C4)-alkyl or —CH2(CH2)nCOOCH2CN; R5 is hydrogen, (C1-C4)-alkyl or —CH2(CH2)mCOOCH2CN; R4 is —COCH3, —CO C2H5, —SO2CH3 or SO2C2H5; n and m are independently 0,1 or 2, with the proviso: —When, Y and Z both are Cl, R1 is other than methyl. When, R2 is Hydrogen and R3, R4 both are alkyl, R1 is selected from NHSO2CH3 or NHSO2C2H5. Disperse dyes of Formula (I) have excellent washing fastness and light fastness on polyester fiber and polyester blends.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: August 13, 2013
    Assignee: Colourtex Industries Limited
    Inventors: Pankaj Desai, Kiyoshi Himeno, Nikhil Desai, Jay Patel
  • Patent number: 8361168
    Abstract: 1. Trisazo dyes of general formula (IV) and of general formula (V) wherein A, B, M, R1 to R18, m, n, o and p are as described in the specification, are excellent black dyes for dyeing and printing of paper, other cellulose containing materials and textiles materials and, in particular, for the preparation of recording liquids for ink jet printing and for writing utensils.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: January 29, 2013
    Inventors: Kurt Baettig, Damien Moigno
  • Patent number: 8268014
    Abstract: The invention relates to hair dyeing composition comprising (a) a dye of formula (1); (b) ant least one dye selected from the compounds of formulae (2); (3) and (4); wherein D is the radical of a diazo component of the formula (2a); (2b); (2c); (2d); (2f); (2g) or (2h). The invention also relates to the dyeing methods for dyeing keratinous fibers comprising such dyeing composition.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: September 18, 2012
    Assignee: BASF SE Ludwigshafen
    Inventor: Beate Fröhling
  • Patent number: 8257448
    Abstract: The invention relates to hair dyeing composition comprising (a) a dye of formula (1); (b) a least one dye selected from the compounds of formulae (2) and (3), wherein D is the radical of a diazo component of the formula (2a) and (c) a quaternary ammonium salt selected from (c1) quaternary ammonium salts of the formula (4); (c2) imidazolium salts of the formula (5) and (c3) quaternary diammonium salts of the formula (6). The invention also relates to the dyeing methods for dyeing keratinous fibers comprising such dyeing composition.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: September 4, 2012
    Assignee: BASF SE
    Inventor: Beate Fröhling
  • Publication number: 20120159719
    Abstract: Black trisazo dyes of general formula (IV) or of general formula (V) where A is a moiety of general formula (VI) or a moiety of general formula (VII) and B is a moiety of general formula (VIII) or of general formula (IX) and M, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, m, n, o and p are as described in the specification, are excellent black dyes for dying and printing of paper, other cellulose containing materials and textile materials and, in particular, for the preparation of recording liquids for ink jet printing and for writing utensils.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Inventors: Kurt Baettig, Damien Moigno
  • Patent number: 8034124
    Abstract: The subject of the present invention is azo derivatives containing a pyrazolinone unit having the following formula (I), their mesomeric forms, their addition salts with an acid and their solvates and their use for dyeing keratin fibers. The subject of the invention is also a composition for dying keratin fibers comprising at least one azo derivative containing a pyrazolinone unit of formula (I) as direct dye, and the method for dyeing keratin fibers using this composition. The present invention makes it possible in particular to obtain chromatic colors that are resistant to the various attacks to which the hair may be subjected, in particular to shampoos and to light.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: October 11, 2011
    Assignee: L'Oreal S.A.
    Inventors: Aziz Fadli, Eric Metais
  • Patent number: 8029576
    Abstract: This invention relates to a hair dyeing composition comprising at least one anionic and at least one cationic direct acting hair dyes and showing excellent dyeing ability and excellent resistance to hair washing and environmental influences. The coloring composition of this invention are ready to use coloring composition and, therefore, do not require any mixing prior to application with additional agents such as oxidizers. According to the invention the preferred cationic dyestuffs are selected from the following structures wherein R1, R2, R3 and R4 stand for hydrogen, a CH3— or C2H5— group, and Y is an anion such as chloride, bromide, methosulfate.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: October 4, 2011
    Assignee: KPSS-KAO Professional Salon Services GmbH
    Inventors: Bernd Noecker, Jonathan Wood, Ruediger Wilz, Frank Kufner
  • Patent number: 7976584
    Abstract: The invention relates to a keratin fiber dyeing composition comprising, in a suitable medium, at least one dye that is selected from among direct dyes and dye precursors, said cosmetic medium containing water and at least one propylene glycol derivative having formula R1(OC3H6)nOR2 (I). The inventive composition can be used to obtain strong color while retaining the softness of the treated hair.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: July 12, 2011
    Assignee: L'Oreal S.A.
    Inventors: Maxime De Boni, Alain Lagrange
  • Patent number: 7947815
    Abstract: An azo dye represented by the following formula (I): wherein, in formula (I), R1, R2, R3, and R4 each independently represent a hydrogen atom, an aliphatic group, an aryl group, a halogen atom, an acyl group, a cyano group, an acylamino group, an aliphatic oxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, an arylsulfonyl group, a sulfamoyl group, an aliphatic oxycarbonylamino group, an aryloxycarbonylamino group, a sulfo group, a carboxyl group, a carbamoylamino group, a sulfamoylamino group, or an aliphatic- or aromatic-sulfonylamino group, wherein R1 and R2 and/or R3 and R4 may be combined with each other to form a five- or six-membered aromatic ring or non-aromatic ring; X represents a carbon atom or a nitrogen atom, wherein n is 0 when X is a nitrogen atom and n is 1 when X is a carbon atom; A, B, C, and D each represent a carbon atom or a nitrogen atom, provided that at least one of A, B, C and D represents a nitrogen atom; Y represents a substituent; and
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: May 24, 2011
    Assignee: FUJIFILM Corporation
    Inventor: Yasuhiro Ishiwata
  • Patent number: 7896931
    Abstract: The present invention relates to a hair dye composition containing a dissociative azo dye which has high dyeing power, is capable of imparting a vivid color to the hair firmly, has excellent fastness to light, shampooing, sweat, friction, and heat, and fades less with the passage of time because the dye is stable against an alkali agent or an oxidizing agent and does not decompose during hair dyeing; and a hair dyeing method using the hair dye composition.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: March 1, 2011
    Assignees: Kao Corporation, FUJIFILM Corporation
    Inventors: Masakazu Yamaguchi, Osamu Takiguchi, Masaaki Tsukase, Yasuhiro Ishiwata
  • Patent number: 7892295
    Abstract: A disperse dye of formula (I): Wherein R1 and R2 independently are each (C1-C4)-alkyl, OH or (C1-C4)-alkoxy-substituted (C1-C4)-alkyl; R3 and R4 independently are each hydrogen or methyl; one of A and B is cyano and the other is —COOX; and X is (C2-C12)-alkyl, O-interrupted (C2-C12)-alkyl, (C3-C4)-alkenyl or phenyl-(C1-C4)-alkyl. The invention also relates to the preparation of the dye and the use of the dye.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: February 22, 2011
    Assignee: DyStar Colours Deutschland GmbH
    Inventor: Hartwig Jordan
  • Patent number: 7829517
    Abstract: The present invention relates to a solid laundry detergent composition comprising non-ionic detersive surfactant and reactive dye.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: November 9, 2010
    Assignee: The Procter & Gamble Company
    Inventor: Alan Thomas Brooker
  • Patent number: 7806940
    Abstract: Disclosed are oligomeric cationic azo dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein n, R1, R2, X, Y? and Z+ are defined in claims and disclosure. Furthermore, the present invention relates to novel cationic oligomeric azo dyes of formula (1), compositions, thereof, especially comprising other dyes, and to application for hair dyeing.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: October 5, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Victor Paul Eliu, Beate Fröhling, Dominique Kauffmann
  • Patent number: 7658770
    Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one cationic azodye of the general formula (I).
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: February 9, 2010
    Assignee: The Procter & Gamble Company
    Inventors: Cécile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet, Hans-Jürgen Braun
  • Publication number: 20090320217
    Abstract: The present invention provides dye mixtures containing one or more dyes of the general formula (I) and one or more dyes of the general formulae (II) where D1, D2, D3 RA, RB, RC, Z1 and M are each as defined in claim 1, processes for their preparation and their use.
    Type: Application
    Filed: January 28, 2008
    Publication date: December 31, 2009
    Applicant: DyStar Textifarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Stefan Meier, Christian Schumacher
  • Patent number: 7553337
    Abstract: The present invention has for an object agents for the simultaneous brightening and coloring of keratin fibers—particularly hair—which are characterized in that (a) they contain an oxidant and (b) at least one thiazolium dye of formula (I) and that (c) they have a basic pH
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: June 30, 2009
    Assignee: Wella AG
    Inventors: Cecile Pasquier, Caroline Kiener, Hans-Juergen Braun
  • Patent number: 7537620
    Abstract: The present invention has for an object agents for dyeing keratin fibers, characterized in that they contain at least one thiazoliumazo dye of general formula (I).
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: May 26, 2009
    Assignee: Wella AG
    Inventors: Cecile Pasquier, Caroline Kiener, Hans-Juergen Braun
  • Patent number: 7531009
    Abstract: The present invention provides 6-azo-5,5?-dihydroxy-7,7?-disulfo-2,2?-dinaphthylamine derivatives, their use as dyes, dyed paper and formulations comprising them.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: May 12, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Holger Lautenbach
  • Patent number: 7517369
    Abstract: The present invention relates to dyes of formula (1) that are soluble in organic solvents, wherein Cat+ is an organic cation, to a process for their preparation and to their use in the production of colored plastics or polymeric color particles, printing colorants, printing pastes and printing inks.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: April 14, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Thomas Ruch, Ursula Luterbacher
  • Patent number: 7399320
    Abstract: 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: Grant
    Filed: December 11, 2007
    Date of Patent: July 15, 2008
    Assignee: L'Oreal
    Inventors: Herve Burgaud, Herve David, Rui Pereira, Beatrice Belcour-Castro
  • Patent number: 7351267
    Abstract: The present disclosure relates to symmetrical cationic diazo compounds of formula (I) below, their resonance forms, and also their acid addition salts and their solvates: wherein W1 radicals, which are identical, are chosen from a halogen atom, or an —NR4-Ph-NR5R6, —NR4-Ph-OR7, —O-Ph-OR7 or —O-Ph-NR5R6 group or else an —NR5R6 or —OR7 group with certain provisos; L, a non-cationic linker connecting the two identical azo chromophores, is chosen from a covalent bond; an optionally substituted C1-C40 alkyl radical optionally interrupted by a (hetero)cycle, the alkyl radical being optionally interrupted by at least one heteroatom or group comprising at least one heteroatom or an optionally substituted phenyl radical. The 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 device comprising a plurality of compartments.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: April 1, 2008
    Assignee: L'Oreal S.A.
    Inventors: Hervé David, Andrew Greaves, Nicolas Daubresse
  • Patent number: 7294153
    Abstract: Keratinic fibers are colored by a two-component composition for coloring keratinous fibers comprising a first preparation (A) comprising at least one oxidation dye precursor and a second preparation (B) comprising at least one care component, wherein the two preparations are packaged separately from one another in the compartments of a two-compartment tube. The compartment openings in the tube are oriented in such a way that the contents of each of the chambers is emitted simultaneously into a common space.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: November 13, 2007
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Astrid Kleen, Mustafa Akram, Stefan Hoepfner, Hartmut Manneck
  • Patent number: 7261743
    Abstract: The present disclosure relates to the process of dyeing human keratinous fibers, such as the hair, with at least one specific direct dye in cosmetic compositions. Also disclosed herein are the direct dyeing and lightening compositions comprising said compounds, and the corresponding dyeing kits.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: August 28, 2007
    Assignee: L'Oreal
    Inventors: Grégory Plos, Henri Samain
  • Patent number: 7255718
    Abstract: The present invention relates to a composition for coloring keratin fibers and a method of use thereof. The coloring composition contains at least one phosphate-based tenside of a particular formula, at least one conditioning component, and at least one dye and/or dye precursor.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: August 14, 2007
    Assignee: Hans Schwarzkopf GmbH & Co. KG
    Inventors: Mustafa Akram, Wolfgang Wolff, Sandra Rohweder
  • Patent number: 7247173
    Abstract: Keratinic fibers are dyed with a two-component agent for tinting and/or dyeing keratinic fibers comprising a first preparation (A) comprising at least one direct-absorbing dye and/or at least one precursor of a nature-analogous dye, and a second preparation (B) containing at least one conditioning substance, wherein the two preparations are packaged separately from one another in the chambers of a two-chamber tube. The chamber openings in the tube are oriented in such a way that the contents of each of the chambers are emitted simultaneously into a common space.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: July 24, 2007
    Assignee: Henkel Kommandit Gesellschaft auf Aktien
    Inventors: Astrid Kleen, Mustafa Akram, Susanne Bietz, Stefan Hoepfner, Hartmut Manneck, Maureen Rippe
  • Patent number: 7232467
    Abstract: A method of colouring porous material, especially human hair, is described, which method comprises applying to the material being coloured, in any desired order successively, or simultaneously, a) at least one capped diazonium compound of Formula (1) and/or at least one compound of Formula (2) and/or at least one compound of Formula (3) wherein Q is an unsubstituted or substituted aromatic or heterocyclic residue, R is the radical of an unsubstituted or substituted, water-soluble aliphatic or aromatic amine, and T is an unsubstituted or substituted, water-soluble aliphatic or aromatic residue, wherein at least one of the groups must contain a radical imparting water solubility, and a) at least one water-soluble coupling component under conditions such that, initially, coupling does not take place, and then causing the capped diazonium compound present on the material to react with the coupling component
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: June 19, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jean-Marie Adam, Taher Yousaf, Beate Fröhling, Victor Paul Eliu
  • Patent number: 7229479
    Abstract: A method of coloring porous material, especially human hair, is described, which method comprises applying to the material being colored, in any desired order successively, or simultaneously, a) at least one capped diazonium compound and b) at least one cationic water-soluble aromatic coupling component, under conditions such that, initially, coupling does not take place, and then causing the capped diazonium compound present on the material to react with the coupling component.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: June 12, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Beate Fröhling, Victor Paul Eliu
  • Patent number: 7198651
    Abstract: The present invention relates to a method to achieve a reversible change of the colour of hair dyed with an azo dye wherein the change of the colour can be effected by, for example, the salonist or the consumer in a simple manner. The colour of the hair thus dyed may be changed simply by treating the dyed hair with an acid treatment composition at any time after the first dyeing treatment. If desired by the consumer, the colour may be returned to substantially the original post dye colour by treating the hair further with an alkaline treatment composition.
    Type: Grant
    Filed: November 26, 2004
    Date of Patent: April 3, 2007
    Assignees: Kao Corporation, Fuji Photo Film Co., Ltd.
    Inventors: Dominic Pratt, Masayoshi Nojiri, Toshio Kawagishi
  • Patent number: 7189268
    Abstract: A method of dyeing keratin-containing fibres, which comprises using a dye of formula wherein R1 and R2 are each independently of the other hydrogen, C1–C4alkyl, halogen or nitro, R3 and R4 are each independently of the other unsubstituted C1–C4alkyl or C1–C4alkyl substituted by OH, C1–C4alkoxy, halogen, CN or by phenyl, X1 and X2 are each independently of the other hydrogen, C1–C4alkyl, C1–C4alkoxy or halogen, R5 is hydrogen or C1–C4alkyl, R6 is C5–C12alkyl or C5–C8cycloalkyl each unsubstituted or substituted by OH, C1–C4alkoxy, halogen, CN or phenyl, or R6 is C1–C4alkyl substituted by phenyl or by C5–C8cycloalkyl, or wherein R5 and R6 together with the nitrogen atom linking them form a piperazine ring, which is substituted, at the nitrogen atom that is not bonded to the phenyl group, by C1–C8-alkyl or phenyl, or which is quaternised at that nitrogen atom by two such groups, the C1–C8-alkyl radicals and phenyl mentioned as substituents of the nitrogen atom of the piperazine ring being unsubstituted or su
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: March 13, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Peter Möckli
  • Patent number: 7189266
    Abstract: The present disclosure relates to a composition for dyeing human keratin fibers, such as the hair, comprising, in a medium suitable for dyeing, at least one direct dye and at least on dicationic compound. Also disclosed herein is a process for dyeing and lightening human keratin fibers, such as the hair, with the compositions disclosed, as well as a the corresponding dyeing kits.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: March 13, 2007
    Assignee: L'Oreal, S.A.
    Inventors: Grégory Plos, Henri Samain
  • Patent number: 7169909
    Abstract: The present invention relates to dyes of formula (I) wherein R1 is C1–C12alkyl or —CnH2n—(OCH2CH2)m—OR3, n being a number from 2 to 8, m being a number from 0 to 4 and R3 being C1–C12alkyl, C6–C24aryl or C6–C24aralkyl, R2 is methyl, ethyl, n-propyl, n-butyl, 2-methoxyethyl or 2-ethoxyethyl, X is halogen and Y is hydrogen, chlorine or bromine, and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fiber materials, more especially textile materials
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: January 30, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Antoine Clément, Alfons Arquint, Urs Lauk
  • Patent number: 7129336
    Abstract: The present invention relates to reactive dyes of the general formula (1) where Y is a heterocyclic reactive group of the general formula (2) or (3) where X1 to X5 are each as defined in claim 1, processes for their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: October 31, 2006
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Jörg Wörner, Tracy Livesey
  • Patent number: 7108726
    Abstract: The invention concerns a direct dyeing composition for keratinous fibres, in particular for human keratinous fibres and more particularly hair, comprising, in a medium suitable for dyeing, at least a direct colouring agent, and furthermore at least a cationic associative polyurethane. The invention also concerns dyeing methods and devices using said composition.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: September 19, 2006
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Roland De La Mettrie
  • Patent number: 7087731
    Abstract: The present invention relates to dyes of formula wherein R1 is hydrogen, methyl or —BHCO—C1–C4alkyl, R2 is C1–C4alkyl, it being possible for the alkyl chain, from C2 upwards, optionally to be interrupted by an oxygen atom, and R3 has, independent of R2, any of the meanings of R2, and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydmophobic fiber materials, especially textile materials.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: August 8, 2006
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Antoine Clément, Jean-Claud Wilhelm, Alfons Arquint, Urs Lauk
  • Patent number: 7087730
    Abstract: Reactive dyes of formula (I), wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, Q1, and Q2 are each independently of the other hydrogen or unsubstituted or substituted C1–C4alkyl, (Q3)n denotes n substituents selected from the group C1–C4alkyl, C1–C4alkoxy, halogen and sulfo, X is halogen, 3-carboxypyridin-1-yl, 3-carbamoylpyridin-1-yl, hydroxy, C1–C4alkoxy unsubstituted or substituted in the alkyl moiety, phenoxy unsubstituted or substituted in the phenyl moiety, C1–C4alkylthio unsubstituted or substituted in the alkyl moiety, unsubstituted or substituted amino, or an N-heterocycle which may or may not contain further hetero atoms, Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, k is a number 2, 3, 4, 5 or 6, m is a number 0 or 1, and n is a number 0, 1 or 2, with the proviso that when A denotes a monoazo chromophore it is not directly linked to the triazinyl radical through a hydroxyna
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: August 8, 2006
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Bernhard Müller, Georg Roentgen
  • Patent number: 7083655
    Abstract: The present invention is directed to a hair dyeing composition comprising at least one azo dye of the following general formula (1): A—N=N—B??(1) where A=monovalent, optionally substituted heterocyclic group binding via the carbon atom to the azo group, that does not contain carboxy (—CO2H) or sulfo groups (SO3H) or quaternary ammonium groups and B=heterocyclic, aromatic or alkyl group containing a dissociative proton and, which is free of carboxy (—CO2H) or sulfo groups (—SO3H) or quaternary ammonium groups. Additionally, the present invention describes a method of dyeing human or animal hair by using such a dye and the use of this direct azo dye for dyeing human or animal hair. The use of this direct azo dye can impart the hair with an extremely vivid colour and has a less colour fade over the time.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: August 1, 2006
    Assignees: Kao Corporation, Fuji Photo Film Co., Ltd.
    Inventors: Dominic Pratt, Toshio Kawagishi
  • Patent number: 7077873
    Abstract: A subject-matter of the disclosure is a novel composition for the dyeing of human keratinous fibres, for example, the hair, comprising a monocationic monoazo dye of formula (I) W1-N?N—W2-NW3-W4-W5, the dyeing processes employing it, the use of the dyes of formula (I) as direct dyes and the novel compounds of formula (I).
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: July 18, 2006
    Assignee: L'Oréal, SA
    Inventors: Hervé David, Nathalie Berteuil, Laurent Vidal
  • Patent number: 7056346
    Abstract: The present invention relates to a composition comprising, in a cosmetically acceptable support suitable for dyeing the hair, at least one direct dye and at least one crosslinked polymer containing acrylic residue units of the structure in which R1 denotes H, CH3 or C2H5, and C10–C30 alkyl acrylate residue units, wherein the composition is a direct dyeing composition for the hair, and wherein said at least one direct dye is an anthraquinone or azo dye which is acidic or cationic.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: June 6, 2006
    Assignee: L'Oreal S.A.
    Inventor: Mireille Maubru
  • Patent number: 7056355
    Abstract: The present invention is directed to a hair dyeing composition containing a dissociative azo dye of the following general formula (1) A-N?N—B??(1) wherein “A” represents a phenyl or naphthyl group which may be substitued; “B” represents an atomic group containing a dissociative proton, with the proviso “A” and “B” are free of sulfo, carboxyl and quaternary ammonium groups. Additionally, the present invention describes a method of dyeing human or animal hair by using such a dye and the use of this direct azo dye for dyeing human or animal hair. The use of this direct azo dye can impart the hair with an extremely vivid color and has less color fading over time.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: June 6, 2006
    Assignees: Kao Corporation, Fuji Photo Film Co., Ltd.
    Inventors: Dominic Pratt, Toshio Kawagishi
  • Patent number: 7022143
    Abstract: The invention concerns a novel dyeing composition for dyeing keratinous fibers, in particular human hair, comprising a cationic azo-dye of formula (I): W1—N?N—W2—W3, as well as the dyeing method using said composition and the novel compounds of formula (I).
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: April 4, 2006
    Assignee: L'Oreal S.A.
    Inventors: Laurent Vidal, Aziz Fadli
  • Patent number: 7001436
    Abstract: The invention concerns a dyeing composition for keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising a dicationic diazo dye of formula (I), as well as the dyeing composition using same. The invention also concerns the novel compounds of formula (I).
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: February 21, 2006
    Assignee: L'Oreal S.A.
    Inventors: Laurent Vidal, Hervé David
  • Patent number: 6930178
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen. The present invention relates to a 1:2 chromium complex dye of formula (I): wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: August 16, 2005
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi