Polyazo Dye Patents (Class 8/687)
  • Patent number: 9023118
    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 5, 2015
    Assignee: Kemira OYJ
    Inventors: Helmut-Martin Meier, Christof Heide, Klaus-Günter Strumpf, Thomas Hübbe
  • Patent number: 8979947
    Abstract: The present invention relates to dyes of the formula (I) in which R1 to R10, D1 and D2 are defined as given in claim 1, a process for preparing them, and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: March 17, 2015
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Roxana Barbieru, Vajiravelu Sivamurugan
  • Patent number: 8940059
    Abstract: Disclosed is an azo compound represented by the formula (1) below, a salt thereof, or a copper complex salt compound thereof. (In the formula, R1 and R2 independently represent a hydrogen atom, a sulfonic acid group, a lower alkyl group or a lower alkoxyl group; R3-R6 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxyl group; R7 represents a lower alkyl group or a lower alkoxyl group; and n represents 0 or 1.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: January 27, 2015
    Assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.
    Inventors: Yuichi Sadamitsu, Takahiro Higeta
  • Patent number: 8771378
    Abstract: Disclosed is an azo compound represented by the general formula (1) or a salt thereof: wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: July 8, 2014
    Assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.
    Inventors: Yuichi Sadamitsu, Takuto Nishiguchi, Hiroaki Ohno
  • Publication number: 20130269124
    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: Application
    Filed: November 29, 2011
    Publication date: October 17, 2013
    Inventors: Helmut-Martin Meier, Christof Heide, Klaus-Günter Strumpf, Thomas Hübbe
  • Publication number: 20130174358
    Abstract: The present invention provides a treatment composition comprising a hydrophobic dye.
    Type: Application
    Filed: September 14, 2012
    Publication date: July 11, 2013
    Applicant: The Sun Products Corporation
    Inventors: Stephen Norman Batchelor, Jayne Michelle Bird
  • 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: 8357210
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: January 22, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Rainer Nusser, Urs Daetwyler
  • Patent number: 8349029
    Abstract: The present invention relates to azo dyes of the formula (1) in which R, M, and Y are defined as stated in claim 1, to dye mixtures comprising them, to processes for preparing them, and to their use.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: January 8, 2013
    Assignee: DyStar Colours Deutschland GmbH
    Inventors: Jörg Wörner, Andreas Schrell
  • Patent number: 8216688
    Abstract: In a dyeing method of an aluminum-based member, a first color forming material is held in a hole of a first region of an anodized film, a second color forming material is held in holds of a second region that is smaller than the first region by diagonally spraying, When the second colored layer is formed, a gradation region is formed in a boundary with the first region and the second region, and the hole are closed.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: July 10, 2012
    Assignee: Corona Kogyo Corporation
    Inventor: Masao Yamaguchi
  • Patent number: 8137416
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates are described.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: March 20, 2012
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Patent number: 8083811
    Abstract: Dye mixtures, comprising at least one dye of formula and at least one dye from the group of formulae wherein the substituents are defined in the specification.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: December 27, 2011
    Assignee: Huntsman International LLC
    Inventors: Georg Roentgen, Athanassios Tzikas, Hubert Jean Luc Christnacher
  • Publication number: 20110119841
    Abstract: The invention provides a method of laundering fabric which uses a pourable liquid detergent composition comprising 10-40% wt of surfactant, essentially consisting of nonionic and/or anionic surfactant (typically less than 90% wt LAS and at least 10% wt of nonionic surfactant) in which 10-40% wt of surfactant preferably passes the Calcium Tolerance Test described in the patent. The composition comprises no more than 15% wt of soap, (present as a minority in wt % terms of the total surfactant). In the method, the composition is diluted by a factor of greater than 500 to obtain a wash liquor which comprises 0.8-0.05 g/l of surfactant, and, the wash liquor is contacted with fabrics.
    Type: Application
    Filed: June 8, 2009
    Publication date: May 26, 2011
    Inventors: Julie Bennett, Paul Kravchuk, Donna Macnab, Anthony McKee, Alyn James Parry, Patricia Revell, Becky Zhou
  • Patent number: 7931702
    Abstract: Disclosed is an azo compound represented by the general formula (1) or a salt thereof: wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: April 26, 2011
    Assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.
    Inventors: Yuichi Sadamitsu, Takuto Nishiguchi, Hiroaki Ohno
  • Patent number: 7931939
    Abstract: In a dyeing method of an aluminum-based member, a first color forming material is held in a hole of a first region of an anodized film, a second color forming material is held in holds of a second region that is smaller than the first region by diagonally spraying, When the second colored layer is formed, a gradation region is formed in a boundary with the first region and the second region, and the hole are closed.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: April 26, 2011
    Assignee: Corona Kogyo Corporation
    Inventor: Masao Yamaguchi
  • Patent number: 7927384
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates are described.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: April 19, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Patent number: 7906632
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fibre 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: July 17, 2006
    Date of Patent: March 15, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Publication number: 20100281629
    Abstract: The invention relates to a dye of the general formula (I) where D is the residue of a diazo component; R1 is hydrogen, (C1-C6-alkyl, (C1-C4)-alkoxy, hydroxyl, halogen, —NHCHO, —NHCO(C1-C6)-alkyl, —NHCOaryl, —NHSO2(C1-C6)-alkyl or —NHSO2aryl; R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, phenoxy or halogen; R3 is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C3-C4)-alkenyl or substituted (C3-C4)-alkenyl; or R2 and R3 combine to form the radical —C*H(CH3)CH2C(CH3)2—, where the carbon atom marked * is attached to the phenyl nucleus; R4 is hydrogen, (C1-C6)-alkyl or phenyl; R5 is vinyl or a group of the formula —CHR6COR7, where R6 is hydrogen, (C1-C6)-alkyl or phenyl; R7 is (C1-C6)-alkyl, substituted (C1-C6)-alkyl, phenyl or substituted phenyl; and X is C1-C5)-alkylene. The invention for relates to a process to prepare the dye and their use.
    Type: Application
    Filed: September 15, 2008
    Publication date: November 11, 2010
    Applicant: DyStar Colours Deustschland GmbH
    Inventor: Stefan Neubauer
  • 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: 7717965
    Abstract: Dye mixtures that comprise at least one dye of formula together with at least one dye from the group of formulae wherein the radicals have the definitions given in the claims, are suitable, with good build-up behaviour, for dyeing or printing cellulose-containing fibre materials, and yield dyeings having a deep shade and good fastness properties.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: May 18, 2010
    Assignee: Huntsman International LLC
    Inventors: Athanassios Tzikas, Georg Roentgen, Hubert Jean Lue Christnacher, Bruno Cortese
  • Patent number: 7713311
    Abstract: The present invention relates to aqueous liquid formulations comprising 5-30% by weight of a dye composition comprising 25-85% by weight of Direct Brown 44 15-75% by weight of Direct Yellow 11 and/or of a dye obtainable by reduction or thermal treatment of Direct Yellow 11 0-15% by weight of one or more blue direct dyes and 0-10% by weight of one or more red direct dyes all based on the dye composition 0.5-15% by weight of one or more alkylamines whose one, two or three alkyl radicals may each be substituted by one or two hydroxyl groups and/or amino groups and/or interrupted by one or two oxygen atoms in ether function, based on the total weight of the aqueous liquid formulation, the sodium content of the liquid formulation not exceeding 0.3% by weight, and also their use for dyeing cellulose material especially paper.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: May 11, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Ingo Klopp, Karl-Heinz Etzbach, Helmut Reichelt
  • Patent number: 7708786
    Abstract: Reactive dye mixtures comprising one or more dyes of the general formula (I), one or more dyes of the general formula (II) and optionally one or more dyes of the general formula (III) where D1, D2, D3, D4, D5, R0, R*, R**, T, b, f, v, and M are as defined in claim 1, the dyes of the general formulae (I)-(III) containing at least one fiber-reactive group of the formula —SO2—Z or —Z2, are prepared and used for dyeing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: May 4, 2010
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Joachim Eichhorn, Werner Russ, Stefan Meier, Uwe Mrotzeck
  • Patent number: 7704287
    Abstract: The present invention provides a reactive red dye composition comprising (A) 3% to 97% by weight of a reactive azo dye of the following formula (I), wherein W, D1 and D2 are defined the same as the specification; and (B) 97% to 3% by weight of a reactive azo dye of the following formula (II), wherein R, X, Z, D3 and D4 are defined the same as the specification. The reactive red dye composition of the present invention can be utilized to dye cellulose fibers. The cellulose fibers dyed by the reactive red dye composition obtain not only good build-up and level dyeing properties but also an excellent property of white discharging.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: April 27, 2010
    Assignee: Everlight USA, Inc.
    Inventors: Bao-Kun Lai, Huei-Chin Huang, Cheng-Hsiang Hsu, Ya-Chi Tseng
  • Patent number: 7682406
    Abstract: The invention relates to novel dyes of the formula (1) in which D represents a phenyl or naphthalene residue which is substituted by one or two sulphonic Acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl, hydroxyl and nitro, each R1 and R2, independently, represent hydrogen or, a C1-C4alkyl group, R?1 represents hydrogen, hydroxyl, C1-C4alkyl or C1-C4hydroxyalkyl, R3 represents hydrogen, C1-C4alkyl or phenyl, which is unsubstituted or substituted by one or two groups selected from C1-C4alkyl, C1-C4alkoxy, halogen, hydroxyl, —NH2, nitro, —SO3M and —CO2M and M represents hydrogen, an alkaline or alkaline earth metal, ammonium or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl or C2-C4hydroxyalkyl or a polyglycolammonium cation and also known dyes of formula (5), in which D? represents a phenyl or naphthalene residue which is substituted by one or two sulphonic acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4a
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: March 23, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Adolf Käser, Wolfgang Schlenker
  • Publication number: 20100000033
    Abstract: The invention relates to basic bisazo compounds according to formula (I) wherein all substituents are defined as in Claim 1, their production, their use as dyestuffs as well as material dyed with these dyestuffs.
    Type: Application
    Filed: July 25, 2007
    Publication date: January 7, 2010
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Ludwig Hasemann, Friedrich Lehr, Martin Oberholzer, Heidrun Schene
  • Patent number: 7637964
    Abstract: Reactive dye mixtures which comprise one or more dyes of the indicated general formula (I) and one or more dyes of the hereinbelow indicated and defined general formula (II) where D1, D2, D3, R0, R*, R**, T, b, f, v and M are each as defined in claim 1, the dyes of the general formulae (I) and (II) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: December 29, 2009
    Assignee: DyStar Textilfarben GmbH & Co.
    Inventors: Stefan Meier, Werner Russ, Joachim Eichhorn
  • Publication number: 20090269553
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: April 2, 2007
    Publication date: October 29, 2009
    Applicant: Clariant Finance (BVI) Limited
    Inventor: Rainer Nusser
  • Publication number: 20090174942
    Abstract: Disclosed is an azo compound represented by the formula (1) or (2) below, or a salt thereof. (In the formulae, A represents a substituted phenyl group or a naphthyl group having 1-3 sulfonic acid groups; X represents —N?N— or —NHCO—; R1-R4 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxyl group; m represents a number of 1-3; and n represents 0 or 1.
    Type: Application
    Filed: June 12, 2007
    Publication date: July 9, 2009
    Inventors: Yuichi Sadamitsu, Hiroaki Ohno, Takahiro Higeta
  • Patent number: 7553359
    Abstract: The present invention concerns concentrated aqueous solutions of anionic disazo dyes, comprising salts and or the free acids of anionic dyes of the formula and 2-(2-butoxyethoxy) ethanol wherein the substituents are each as defined in claim 1 and the use of these solutions for dyeing and/or printing hydroxyl-containing substrates and for producing inkjet inks.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: June 30, 2009
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Jordi Berenguer, Ludwig Hasemann, Joan Bosch, Susana Basolas
  • Patent number: 7553340
    Abstract: Reactive dyes of formula (1) wherein R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, R2 is hydrogen; C1-C4alkyl; C1-C4alkoxy unsubstituted or substituted by sulfato, hydroxy or by C1-C4alkoxy; halogen; carboxy or sulfo, R3 is hydrogen; C1-C4alkyl; C1-C4alkoxy unsubstituted or substituted by sulfato, hydroxy or by C1-C4alkoxy; halogen; nitro; C2-C4alkanoylamino; ureido; carboxy or sulfo, (R4)k denotes k identical or different substituents selected from the group halogen, C1-C4-alkyl, C1-C4alkoxy, carboxy and sulfo, X is halogen and V is a radical of formula (2a), 2(b) wherein R5 is unsubstituted or substituted C1-C4alkyl, (R6)I denotes I identical or different substituents from the group C1-C4alkyl, C1-C4alkoxy and sulfo, and I is the number 0, 1 or 2, Y is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(HaI)-CH2-HaI or —C(HaI)=CH2 group, Hal is halogen and k is the number 0, 1 , 2 or 3, are suitable especially for dyeing cotton and yield dyeing
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: June 30, 2009
    Assignee: Huntsman International, LLC
    Inventors: Athanassios Tzikas, Georg Roentgen, Herbert Klier
  • Patent number: 7540883
    Abstract: The present invention discloses a reactive yellow dye composition comprising component (A) and component (B). The component (A) is a reactive azo dye represented by the following formula (I) or formula (II), The component (B) is a reactive azo dye represented by the following formula (III), wherein the substituents of the formulas (I), (II) and (III) are defined the same as in the specification. Moreover, the reactive yellow dye composition of the present invention has excellent build-up, wash-off and light fastness and can be applied with dyestuffs in other colors.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: June 2, 2009
    Assignee: Everlight USA, Inc.
    Inventors: Bao-Kun Lai, Cheng-Hsiang Hsu, Ya-Chi Tseng, Huei-Chin Huang
  • Publication number: 20090126128
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: May 11, 2007
    Publication date: May 21, 2009
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Rainer Nusser, Urs Datwyler
  • Patent number: 7531494
    Abstract: A fabric treatment composition comprising from about 0.0001% to about 0.01% by weight of a fabric substantive dye loaded onto a particle carrier having an average particle size of less than 100 ?m is disclosed. The process for making the fabric treatment composition is described. A fabric substantive dye-loaded particle carrier having an average particle size of less than 100 ?m and comprising from about 0.001% to about 1% by weight of a fabric substantive dye is described.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: May 12, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Elaine Hunter Gardiner, Xiaotian Zou
  • Patent number: 7455699
    Abstract: Reactive dye mixtures comprising one or more dyes of the general formula (I), one or more dyes of the general formula (II) and optionally one or more dyes of the general formula (III) where D1, D2, D3, D4, D5, R0, R*, R**, T, b, f, v, and M are as defined in claim 1, the dyes of the general formulae (I)-(III) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, are prepared and used for dyeing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: November 25, 2008
    Assignee: DyStar Texilfarben GmbH & Co. Deutschland KG
    Inventors: Joachim Eichhorn, Werner Russ, Stefan Meier, Uwe Mrotzeck
  • Patent number: 7429279
    Abstract: Reactive dye mixtures which comprise one or more dyes of the indicated general formula (i) and one or more dyes of the hereinbelow indicated and defined general formula (II) where D1, D2, D3, R0, R*, R**, T, b, f, v and M are each as defined in claim 1, the dyes of the general formulae (I) and (II) containing at least one fiber-reactive group of the formula —SO2-Z or Z2, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: September 30, 2008
    Assignee: DyStar Textilfarben GmbH + Co. Deutschland KG
    Inventors: Stefan Meier, Werner Russ, Joachim Eichhorn
  • Publication number: 20080184912
    Abstract: The present invention relates to a black dye composition, comprising: (a) at least one azo dye of the following formula (I), (b) at least one azo dye of the following formula (II) or (III), wherein R1, R2, and R3 are defined the same as the specification. The present invention also relates to a black ink composition afforded from the aforementioned black dye composition. The black ink composition of the present invention for textile digital printing exhibits the properties of excellent color depth, fixation, stability of storage, stability and accuracy of printing for long time, and improves the issue of nozzle cloggage.
    Type: Application
    Filed: September 10, 2007
    Publication date: August 7, 2008
    Applicant: Everlight USA, Inc.
    Inventors: Chuan-hsi Lee, Tzu-Kwei Sun, Reng-Fang Lin, Hsiao-San Chen
  • Patent number: 7387647
    Abstract: A dye composition, comprising (A) at least one disazo dye selected from the formula (I) or (II), wherein R, R1, R2, D1 and D2 are defined as in the specification; and (B) a diazo dye of the formula (III), wherein (R9)0˜2, (R10)0˜2, Q1 and Q2 are defined as in the specification. These dye compositions have high fixation and good build-up. They are distinguished also by high washing off and low nylon staining and they are suitable for dyeing and printing of materials containing either cellulose fibers, such as cotton, artificial cotton, linen, and artificial linen, or polyamide fibers, such as wool, silk, and nylon etc. Dyed materials with excellent properties can be obtained, showing especially outstanding performance in washing off, levelness, build-up, wet fastness and light fastness.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: June 17, 2008
    Assignee: Everlight USA, Inc.
    Inventors: Huei-Chin Huang, Sheena Lee, Sheue-Rong Lee, Bao-Kun Lai, Cheng-Hsiang Hsu, Ya-Chi Tseng
  • Patent number: 7381228
    Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: June 3, 2008
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Andreas Giehl, Jörg Wörner
  • Publication number: 20080115296
    Abstract: The present invention relates to symmetrical tetraazo cationic compounds of formula (I) Dye1-L-Dye1 in which formula: Dye1 represents: in which: W1, which are identical, represent: W2, which are identical, represent: W3, which are identical, represent: L represents an optionally substituted C1-C60 hydrocarbon-based chain, optionally bearing at least one cationic charge, optionally interrupted with and/or terminated at one and the other of the ends with at least one hetero atom or group comprising at least one hetero atom; the electrical neutrality of the compounds being ensured by means of one or more cosmetically acceptable, identical or different anions An. A subject of the invention is similarly a composition comprising such a dye as direct dye, and also a process using the said composition for dyeing keratin fibres.
    Type: Application
    Filed: November 24, 2005
    Publication date: May 22, 2008
    Inventors: Andrew Greaves, Herve David
  • Patent number: 7371831
    Abstract: Compounds of formula (I) wherein all substituents have the meanings as defined in the Specification, their production and their use.
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: May 13, 2008
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Martin Oberholzer, Jürgen Geiwiz
  • Patent number: 7358345
    Abstract: The present invention claims dyestuffs of formula (I), wherein D, R1 to R7 and n are defined as given in claim 1, a process for their preparation and their use
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: April 15, 2008
    Assignee: Dystar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Nigel Hall
  • Patent number: 7341607
    Abstract: The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: March 11, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Michael Lennartz, Adolf Käser, Sandra Weiss
  • Patent number: 7276268
    Abstract: Poly-azo compound selected from the group consisting compounds of the formula (I) and compounds of the formula (II), (wherein, Me represents copper, nickel, zinc or iron, A represents a naphthyl group having 1 to 3 sulfonic groups and further optionally having an alkyl group or alkoxy group, R1 and R2 represent each independently a hydrogen atom, alkyl group or alkoxy group, and R3 represents an amino group or hydroxyl group.).
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: October 2, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Ashida, Narutoshi Hayashi
  • Patent number: 6991676
    Abstract: The present invention is drawn to dye sets for formulating ink-jet ink sets, and to specific ink sets. The dye set can comprise cyan colorant including a phthalocyanine dye; magenta colorant including a copper- or nickel-containing azo dye; and yellow colorant including at least one of Yellow 1189 dye and Yellow 104 dye yellow colorant having the structure Formula 1: wherein R1 is H, SO3M, COOM, or SO2NH2; and wherein R2 is H, SO3M, COOM, or SO2NH2; and wherein R3 is H or CH3; and wherein n and m are 2, 3, 4, 5 or 6; and wherein M is H, Na, Li, K, ammonium, ammonium substituted with alkyl or combinations thereof. Optionally, a cyan triarylmethine dye such as Acid Blue 9, or another similar cyan dye, can be blended with the phthalocyanine dye; a rhodamine dye can be blended with the copper- or nickel-containing azo dye; and/or Acid Yellow 17 or Acid Yellow 23 can be blended with Formula 1.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: January 31, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Alexey S Kabalnov, Charles G. Dupuy, Luanne J. Rolly, Naomi Oak, Patricia A Wang
  • Patent number: 6933371
    Abstract: Disclosed are bisazo compounds of the formula Ia or Ib where R1 is hydrogen or methyl, the X groups are independently —CH2CH2— or —CH2CH2CH2—, R2, R3, and R4 are independently hydrogen or methyl, A is an anion and n corresponds to the valency of A. Also disclosed are the use of the bisazo compounds for dyeing, especially paper, and colorants containing said bisazo compounds.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: August 23, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunter-Rudolf Schröder, Sophia Ebert, Karl-Heinz Etzbach, Rainer Tresch, Rüdiger Sens
  • Patent number: 6764524
    Abstract: Asymmetrical 1:2 chromium complex dyes of formula (I), wherein X signifies —SO3M, —SO2NR1R2 or chlorine, Y signifies hydrogen, —SO3M or chlorine, R1 signifies hydrogen, C1-6alkyl, C2-3-hydroxyalkyl or a radical of formulae (a) or (b), R2 signifies hydrogen, C1-6alkyl or C2-3-hydroxyalkyl, or R1 and R2 together with the nitrogen atom to which they are attached, form a 5- or 6-membered saturated heterocycle, R3 signifies hydrogen, C1-2-alkyl, chlorine, —COOM or —SO3M, R4 signifies hydrogen, C1-2-alkyl, C1-2-alkoxy chlorine or —SO3M, n signifies from 0 to 3, M signifies in each case hydrogen or a nonhromophoric cation, and M+signifies hydrogen or a nonchromophoric cation, are useful for dyeing artificially produced oxide layers on aluminium or aluminium alloys, on which they produce grey dyeings in high color yield and hue reproducibility
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: July 20, 2004
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Klaus Körte
  • Publication number: 20040111813
    Abstract: The invention relates to the use of disazo compounds according to formula (I) 1
    Type: Application
    Filed: June 3, 2003
    Publication date: June 17, 2004
    Inventors: Ludwig Hasemann, Friedrich Lehr
  • Patent number: 6746525
    Abstract: A compound comprising a disazo chromaphore and an optionally substituted acyl group linked together through a —SO2—NH— group, inks comprising these compounds, ink jet printer cartridges containing these inks and their use in ink jet printing.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: June 8, 2004
    Assignee: Avecia Limited
    Inventor: Mark Robert James
  • Publication number: 20040049865
    Abstract: Deep black-dyeing dye mixtures comprising a disazo dye conforming to the general formula (1), 1
    Type: Application
    Filed: August 12, 2003
    Publication date: March 18, 2004
    Inventors: Ronald Pedemonte, Joachim Steckelberg, Werner Russ
  • Patent number: 6669740
    Abstract: Dye preparations comprising, based in each case on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes from the class of the mono- or polyazo dyes containing no acidic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensate or from 0.1 to 20% by weight of a water-soluble dispersant based on alkoxylated phenols with or without water, and their use as inks in the inkjet process and for textile sublimation transfer printing.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: December 30, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Siemensmeyer, Bernd Siegel, Volker Bach, Manfred Herrmann, Günther König, Rüdiger Sens