Plural Azo Groups Attached Indirectly To Each Other By Nonionic Bonding Patents (Class 534/637)
  • Publication number: 20150096131
    Abstract: Reactive dyes of formula (1) wherein Q1 and Q2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, X is halogen, 3- or 4-carboxypyridin-1-yl, or 3- or 4-carbamoylpyridin-1-yl, Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, and q is the number 1 or 2, are suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.
    Type: Application
    Filed: May 24, 2013
    Publication date: April 9, 2015
    Inventors: Georg Roentgen, Jean-Christophe Graciet, Rainer Hildebrand, Laszlo Fekete, Marie Schmidlin, Hubert Jean-Luc Christnacher
  • 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
  • Publication number: 20120284934
    Abstract: The present invention provides azo dyes of formula (1) where Hal, M and Y are each as defined in claim 1, processes for their preparation and their use.
    Type: Application
    Filed: March 13, 2012
    Publication date: November 15, 2012
    Applicant: DyStar Clours Deutschland GmbH
    Inventor: Stefan Ehrenberg
  • Patent number: 8293877
    Abstract: The present invention relates to a novel reactive dyestuff with a N-alkylamino group, represented by the following formula (I): wherein A1, A2, R1, R2, R3, R4, (R5)0-2, (R6)0-2, (Z1)0-1, (Z2)0-1, X1, X2 and n are defined the same as the specification. The reactive dyestuff of the present invention is suitable for exhaust dyeing, cold batch-up dyeing, continuous dyeing, printing and digital spray printing materials that contain hydroxyl group or amino group fibers.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: October 23, 2012
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Chen-Lung Kao, Chien-Yu Chen, Huei-Chin Huang
  • Publication number: 20100132135
    Abstract: Reactive dyes of formula (I), wherein D is a radical of formulae (II, IV, VI) or (VII), R1 is hydrogen, acetyl, sulfo, ?,?-dibromopropionylamino, ?-bromoacryloylamino, ?-chlomethylsulfonylbutyrylamino, ?-sulfatoethylsulfonylbutyrylamino or vinylsulfonylbutyrylamino, R2 is methyl or methoxy, X is halogen, Y is vinyl or ?-sulfatoethyl and Z is hydroxy, vinyl or ?-sulfatoethyl, are suitable especially for dyeing cotton and yield dyeings having good all-round fastness properties.
    Type: Application
    Filed: June 28, 2006
    Publication date: June 3, 2010
    Applicant: Huntsman International LLC
    Inventors: Georg Roentgen, Dragana Djokic, Laszlo Fekete
  • Patent number: 7572301
    Abstract: Reactive dyes of formula wherein Q1 and Q2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, D1 is the radical of a diazo component, which is itself a mono- or dis-azo dye or contains such a dye, D2 has the same definition as D1 or is a radical of formula wherein (Q3)0-3 denotes from 0 to 3 identical or different substituents selected from the group halogen, C1-C4alkyl, C1-C4alkoxy, carboxy and sulfo and Z1 is a radical of formula —SO2—Y ??(3a), —NH—CO—(CH2)m—SO2—Y??(3b), —CONH—(CH2)n—SO2—Y??(3c), —NH—CO—CH(Hal)-CH2-Hal??(3d) or —NH—CO—C(Hal)=CH2??(3e), Y is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, m and n are each independently of the other the number 2, 3 or 4, and Hal is halogen, are suitable for dyeing cellulosic or amide-group-containing fibre materials.
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: August 11, 2009
    Assignee: Huntsman International LLC
    Inventors: Athanassios Tzikas, Georg Roentgen, Hubert Jean Luc Christnacher
  • Patent number: 7439340
    Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: October 21, 2008
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hsien-Chung Shia, Duncan Adrian Sidney Phillips, John Anthony Taylor
  • Publication number: 20080250575
    Abstract: Reactive dyes of formula wherein Q1 and Q2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, D1 is the radical of a diazo component, which is itself a mono- or dis-azo dye or contains such a dye, D2 has the same definition as D1 or is a radical of formula wherein (Q3)0-3 denotes from 0 to 3 identical or different substituents selected from the group halogen, C1-C4alkyl, C1-C4alkoxy, carboxy and sulfo and Z1 is a radical of formula —SO2—Y , ??(3a) —NH—CO—(CH2)m—SO2—Y , ??(3b) —CONH—(CH2)n—SO2—Y , ??(3c) —NH—CO—CH(Hal)-CH2-Hal or ??(3d) —NH—CO—C(Hal)=CH2 , ??(3e) Y is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, m and n are each independently of the other the number 2, 3 or 4, and Hal is halogen, are suitable for dyeing cellulosic or amide-group-containing fibre materials.
    Type: Application
    Filed: March 9, 2005
    Publication date: October 16, 2008
    Inventors: Athanassios Tzikas, Georg Roentgen, Hubert Jean Luc Christnacher
  • Publication number: 20080207881
    Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.
    Type: Application
    Filed: April 30, 2008
    Publication date: August 28, 2008
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hsien-Chung Shia, Duncan Adrian Sidney Phillips, John Anthony Taylor
  • Publication number: 20080039614
    Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.
    Type: Application
    Filed: February 15, 2007
    Publication date: February 14, 2008
    Applicant: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hsien-Chung Shia, Duncan Adrian Sidney Phillips, John Anthony Taylor
  • Patent number: 7326777
    Abstract: A fiber reactive dyestuff of the following formula (I) wherein the definition of D, R, R1, R2, X and Z have the same meaning as given in the specification. The fiber reactive dyestuff of the present invention is suitable for dyeing and printing on cellulose fiber or fiber materials containing cellulose. Dyed material with various excellent properties in dyed color can be obtained, showing especially outstanding performance in the property of wash fastness, build-up and chlorine fastness.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: February 5, 2008
    Assignee: Everlight USA, Inc.
    Inventors: Wen-Jang Chen, Hong-Chang Huang
  • Patent number: 7205347
    Abstract: The invention provides for novel substituted-polyaryl chromophoric compounds which desirably comprise a single diazo group, and optimally include a plurality of diazo groups. Preferably the chromophores exhibit optical nonlinear second-order properties and have unique absorption maximum and other chromophoric properties that make them useful for, among other things, multifunctional optical switches or waveguides.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: April 17, 2007
    Assignee: Trans Photonics, LLC.
    Inventors: Alireza Gharavi, Haythem Saadeh
  • Patent number: 7189831
    Abstract: Fibre-reactive trisazo compounds of the formula (I) bearing halogenated pyrimidine reactive moieties and where the substituents are each as defined in the claims, and also the associated synthesis, the use of the compounds for dyeing or printing hydroxyl-containing or nitrogenous organic substrates, the use of the compounds as a component in an inkjet printing ink and also the dyed or printed substrates.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: March 13, 2007
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Markus Gisler
  • Patent number: 7132515
    Abstract: The invention relates to reactive dyes according to the given, defined general formula (I) wherein D1 and D2 , R and R*, in addition to M are defined as per claim 1.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: November 7, 2006
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Joachim Eichhorn
  • Patent number: 7122667
    Abstract: Reactive dyes of formula (1) wherein Q1, Q2, Q3 and Q4 are each independently of the others hydrogen or unsubstituted or substituted C1–C4alkyl, A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, D is the radical of a diazo component, of the benzene or naphthalene series, X is halogen, 3-carboxpyridin-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, and Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, are suitable for dyeing cellulosic or amide-group-containing fibre materials.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: October 17, 2006
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Bernhard Müller
  • Patent number: 7109313
    Abstract: The present invention relates to dyes of the general formula (I) where X1 is a radical —CH2CH2Z or —CH?CH2, Z being analkali-eliminable group, X2 is alkyl, alkoxy, halogen, COOM or SO3M, X3 is a heterocyclic reactive group of the general formula (IIa) or (IIb) ?or a reactive group of the formula (IIc), (IId) or (IIe) the stated variables being as defined in claim 1, to processes for preparing them and to their use for dyeing and printing hydroxyl-containing and/or carboxamido-containing material.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: September 19, 2006
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Meier, Werner Russ, Stefan Ehrenberg
  • 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: 7038024
    Abstract: Reactive dyes containing at least one structural unit of formula (I), wherein Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, are suitable for dyeing cellulosic or amide-group-containing fiber materials.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: May 2, 2006
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Bernhard Müller
  • Patent number: 6870035
    Abstract: Deep black-dyeing dye mixtures comprising a disazo dye conforming to the general formula (1), and one or more disazo dyes conforming to the general formula (2), wherein the amide group is in the 6, 7, or 8 position relative to the hydroxy group and wherein: M, n, W, R1, R2, R3, R4, R5, R11, L1, L2, L3 are as defined in claim 1 methods for their preparation and use thereof for dyeing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: March 22, 2005
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Ronald Pedemonte, Joachim Steckelberg, Werner Russ
  • Patent number: 6852135
    Abstract: Dyes of the general formula (1): where M is hydrogen, alkali, ammonium or the equivalent of an alkaline earth metal ion, X is halogen, alkoxy or an N-containing heterocycle, Q is a grouping of the formula (e) where Y is vinyl or an alkali-eliminable grouping and W is alkyl which may be interrupted by an O or an NR group and the radicals R1 and R2 represent alkyl, alkoxy, alkylcarbonylamino, arylcarbonylamino, and also the radicals R3 and R4 are alkyl or hydrogen, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing material, preferably fiber material.
    Type: Grant
    Filed: July 14, 2001
    Date of Patent: February 8, 2005
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Joachim Steckelberg, Hermann Henk
  • Patent number: 6844428
    Abstract: The invention relates to the use of disazo compounds according to formula (I) wherein all substituents are as defined in claim 1 salts thereof and mixtures of these compounds for dyeing or printing organic substrates, to novel compounds, to the process for the production of these compounds and to substrates dyed or printed by these compounds.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: January 18, 2005
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Ludwig Hasemann, Friedrich Lehr
  • Patent number: 6762288
    Abstract: The present invention relates to reactive azo dyes of the formula (I) or an alkali metal salt thereof, wherein A is formula (i) or (ii) C is an optionally substituted aromatic or heteroaromatic residue; and R1, R2, B, D, Y, a, b, c, d and n are defined as given in claim 1, a process for preparing said dyes and a process for colouring fibre material, which comprises applying thereto said dyes.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: July 13, 2004
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Warren James Ebenezer
  • Patent number: 6734290
    Abstract: The present writing relates to a novel fiber-reactive dye of the formula wherein R11, D, R0, X and Z are as defined in the specification. The novel dye according to the present writing can be used in dyeing and printing fibre materials, especially, cellulosic fibre materials by a general fixing method, and a good adsorbing/fixing rate and an excellent fastness to light and wet treatment.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: May 11, 2004
    Assignee: Kyung-In Synthetic Corporation
    Inventors: Sung Yong Cho, Tae Chung Kang, Woo Jin Yoon, Sang Ki Yang, Sung Il Myung, Ho Lee
  • Patent number: 6713613
    Abstract: A reactive dye compound comprising: (a) at least one chromophore moiety (b) at least one nitrogen-containing heterocycle (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that at least one nitrogen-containing heterocycle is substituted with at least one oxy- or thio-carbonyl derivative wherein the oxy- or thio-carbonyl derivative is selected from Y wherein Y is —A(CO)R* wherein A is selected from O or S and wherein R* is an organic residue which comprises at least one nucleophilic group, and salts thereof.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: March 30, 2004
    Assignee: North Carolina State University
    Inventors: David Malcolm Lewis, Wei Dong He, Taher Iqbal Yousaf, Gilles Yves Marie Fernand Genain
  • Patent number: 6670457
    Abstract: Compounds of the formula in which the variables are as defined in the claims, which are suitable as fiber-reactive dyes for dyeing widely varying fiber materials, are described.
    Type: Grant
    Filed: August 16, 2002
    Date of Patent: December 30, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rolf Deitz, Bernhard Müller, Athanassios Tzikas
  • Patent number: 6518408
    Abstract: Compounds of formula (1) wherein K1 and K2 are each independently of the other the radical of a coupling component from the series benzene, naphthalene, 4-alkyl-6-hydroxypyridone-(2), 2,5-diamino-4-alkylpyridine, 1-arylpyrazolone-(5) and 1-aryl-5-aminopyrazole, at least one of which contains a fiber-reactive group, with the proviso that (i) the fiber-reactive group is not 2-(&bgr;-sulfatoethylsulfonyl)ethylamino when K1 and K2 are phenyl substituted by a fiber-reactive group, and (ii) the fiber-reactive group is not &bgr;-sulfatoethylsulfonyl when K1 and K2 are N-(&bgr;-sulfatoethyl)aniline substituted on the phenyl ring by a fiber-reactive group, are suitable for dyeing a wide variety of fiber materials, especially cellulosic fiber materials, and yield dyeings having good allround properties.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: February 11, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Rolf Deitz
  • Publication number: 20030023051
    Abstract: The invention is related to compounds according to the formula (I) 1
    Type: Application
    Filed: August 22, 2002
    Publication date: January 30, 2003
    Inventor: Markus Gisler
  • Patent number: 6504016
    Abstract: Reactive dyes of the formula (1) wherein the variables are as defined in the specification are especially suitable for dyeing cotton and yield dyeings having good all-round fastness properties.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: January 7, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Bruno Cortese
  • Patent number: 6458936
    Abstract: The invention is related to compounds according to the formula (I) and salts thereof, or mixtures of such compounds or of their salts, wherein the substituents have the meanings as defined in claim 1; these compounds are useful as fiber-reactive dyestuffs in dyeing and printing hydroxy-group-containing and nitrogen-containing organic substrates.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: October 1, 2002
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Markus Gisler
  • Patent number: 6451072
    Abstract: Reactive dyes of formula (1) wherein A is phenyl or naphthyl, each of which is unsubstituted or substituted by halogen, C1-C4alkyl, C1-C4alkoxy, carboxy, sulfo or a fiber-reactive group of formula (2a), (2b), (2c), (2d) or (2e) —SO2—Y  (2a), —NH—CO—(CH2)l—SO2—Y  (2b), —CONH—(CH2)m—SO2—Y  (2c), —NH—CO—CH(Hal)—CH2Hal  (2d) or —NH—CO—C(Hal)═CH2  (2e), B is an aliphatic linking group, D is the radical of a diazo component of the benzene or naphthalene series, R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, R2 is hydrogen, cyano, carbamoyl or sulfomethyl, R3 is hydrogen or C1-C4alkyl, R is hydrogen or unsubstituted or substituted C1-C4alkyl or corresponds to a radical of formula (3)  wherein B, D, R2 and R3 have the meanings cited above, X1 is halogen, hydroxy, C1-C4alkoxy, unsubstituted o
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: September 17, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Rolf Deitz
  • Patent number: 6398822
    Abstract: Packaged hair coloring composition comprising a stable aqueous hair coloring composition comprising a compound of formula (I): wherein the variables are each as defined in the claims. The packaged hair coloring compositions of the present invention provide improved wash fastness of dye on hair, less color fade over time, improved consumer acceptance in terms of providing a single packaged hair dye composition and improved product stability.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: June 4, 2002
    Assignee: The Proctor & Gamble Company
    Inventors: Earl David Brock, Heather Holden Harper, Taher Iqbal Yousaf
  • Patent number: 6399751
    Abstract: This application relates to reactive dyes having at least one halobenzene nucleus linked to a chromophoric group via an amino linkage and additionally containing a second reactive group.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: June 4, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Warren James Ebenezer, David Greenwood, Michael Gordon Hutchings, Michael Alan Rabjohns, Andrea Maria Zamponi
  • Patent number: 6392021
    Abstract: Reactive dyes of formula (1) wherein b is the number 1 or 2, A is the radical of formula (2) or (3) D1, D2, R1, R2, X1, Y, l, m and n are as defined in the specification, are especially suitable for dyeing cotton and wool and yield dyeings having good all round properties.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: May 21, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Rolf Deitz, Herbert Klier
  • Patent number: 6376656
    Abstract: Reactive dyestuffs of the formula (I) wherein R1 denotes H or unsubstituted or substituted C1-C4-alkyl, R2 denotes C1-C4-alkyl, X denotes F, Cl or Br, Z denotes —CH═CH2 or —CH2CH2—OSO3H, R15 denotes H, C1-C4-alkyl, C1-C4-alkoxy, Cl, Br, acylamino, amino carbonylamino, C1-C4-alkylsulphonylamino or arylsulphonylamino and R18 denotes H, C1-C4-alkyl, C1-C4-alkoxy, OH or SO3H. The invention also relates to a process for the preparation of the reactive dyestuff and their use of dyeing fibre materials containing OH groups and NH groups.
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: April 23, 2002
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Klaus Kunde, Karl-Josef Herd
  • Patent number: 6329514
    Abstract: A fiber reactive dyestuff of the following formula (I) wherein the definition of D, and Z the same meaning as given in the description. The fiber reactive dyestuff of the present invention is suitable for dyeing and printing on cellulose fiber or fiber materials containing cellulose. Dyed material with various excellent properties in dyed color can be obtained, showing especially outstanding performance in the property of wash fastness.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: December 11, 2001
    Assignee: Everlight USA, Inc.
    Inventors: Huei Ching Huang, Keh Loong Chen, Mao Cheng Hsu, Ta Chung Yin
  • Patent number: 6323327
    Abstract: Reactive dyes of formula (1) wherein b is the number 1 or 2, A is the radical of formula (2) or (3) D1 is a radical off formula  or the radical of an azo dye when b is the number 1 or the radical of an aromatic tetraazo component when b is the number 2, D2 is the radical of a diazo component, of the benzene or naphthalene series, R1 and R2 are each independently of the other hydrogen or C1-C4alkyl, (R3)0-2 denotes from 0 to 2 substituents selected from the group C1-C4alkyl, C1-C4alkoxy, halogen and sulfo, X1 is fluorine or chlorine, Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, l is the number 2, 3, 4, 5 or 6, and m and n are each independently of the other the number 0 or 1, wherein when A is a radical of formula (3) and D1 is the radical of an azo dye, at least one of the radicals D1 and D2 contains a fibre-reactive radical of formula (2) with the proviso that A is a radical of f
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: November 27, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Rolf Deitz, Herbert Klier
  • Patent number: 6319290
    Abstract: Compounds of the general formula (I) wherein R1 represents hydrogen or a C1-C4-alkyl group, X represents the radical of aliphatic, cyclic or aromatic diamines and Y represents hydrogen or an alkali metal, and a process for their preparation and their use for dyeing organic substrates, and organic substrates dyed with these compounds.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: November 20, 2001
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Detlef Kalweit, Martin Oberholzer
  • Patent number: 6307033
    Abstract: The present invention relates to a bifunctional blue reactive dye and more particularly, to the bifunctional blue reactive dye with monochlorotriazine and acetoxyethylsulfone as reactive groups expressed by formula (1), wherein, M is alkaline metal atom, and which provides excellent combination of properties in that 1) the introduction of aminophenyl-&bgr;-acetoxyethylsulfone group to the dye may minimize the loss of dye, since its low solubility to water lessens the amount of the remaining solution during filtration, 2) an easier salting-out process requires a smaller amount of salt during the process so that the costs for the treatment of waste water may be significantly reduced, and 3) a better dyeing yield with enhanced substantivity and better brightness in color.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: October 23, 2001
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Sea Wha Oh, Myeong Nyeo Kang, Tae Kyung Kim
  • Patent number: 6284876
    Abstract: The invention is concerned with compounds according to the formula (I) and salts thereof, or a mixture of such compounds or salts. These compounds are useful as fiber-reactive dyestuffs in dyeing and printing hydroxy-group-containing and nitrogen-containing organic substrates.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: September 4, 2001
    Assignee: Clariant International, Ltd.
    Inventor: Markus Gisler
  • Patent number: 6222023
    Abstract: A bisazo compound represented by the following general formula (1): wherein the variables are as defined in the specification, or a salt thereof is superior in various performance for dyeing and printing a fiber material.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: April 24, 2001
    Assignee: Sumitomo Chemical, Company, Limited
    Inventors: Kouji Toishi, Katsumi Agata, Toshiyuki Araki
  • Patent number: 6187912
    Abstract: Disazo compounds, processes for their preparation and their use as dyestuffs Described are fiber-reactive, water-soluble disazo compounds corresponding to the formula (1) given below, which are capable of dyeing fiber material containing hydroxy, amino, thiol and/or carboxamido groups, such as cellulose fibers, for example cotton, regenerated cellulose fibers, wool and synthetic polyamide fibers, in a high intensity and with good fastness properties. in which: W2 is a particular fiber-reactive grouping, D1 is phenyl or naphthyl, each optionally substituted by substituents customary in dyestuffs, and D2 is phenylene or naphthylene optionally substituted by substituents customary in dyestuffs, M is hydrogen or an alkali metal, R is hydrogen or sulfo and R1 is hydrogen, optionally substituted lower alkyl or optionally substituted phenyl.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: February 13, 2001
    Assignee: Dystar Textifarben GmbH & Co.
    Inventor: Joachim Steckelberg
  • Patent number: 6160101
    Abstract: Azo dyes comprising at least one structural unit of the formula (1) ##STR1## The azo dyes according to the invention are particularly suitable for dyeing cotton and wool and produce dyeings with good allround properties.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: December 12, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Rolf Deitz
  • Patent number: 6159250
    Abstract: Doubled reactive dyes of the general formula I ##STR1## where Chr is a chromophore residue with or without further fiber-reactive groups and derived from a metallized or unmetallized mono- or disazo dye, from a triphendioxazine, from an anthraquinone, from a metallized formazan or from a metallized phthalocyanine,Z.sup.1, Z.sup.2 and Z.sup.3 are each independently of the others hydrogen or substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl,Hal is fluorine or chlorineL.sup.1 and L.sup.2 are each independently of the other C.sub.2 -C.sub.6 -alkylene with or without interruption by 1 or 2 unadjacent oxygen atoms, andA is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl, substituted or unsubstituted phenyl, substituted or unsubstituted C.sub.2 -C.sub.3 -alkenyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, substituted or unsubstituted phenoxy or C.sub.1 -C.sub.6 -alkylamino,and their mixtures are prepared and useful for dyeing or printing hydroxyl-containing or nitrogenous substances.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: December 12, 2000
    Assignee: BASF Aktiengesellschaft
    Inventor: Manfred Patsch
  • Patent number: 6084077
    Abstract: The invention is concerned with compounds according to the formula ##STR1## and their salts, whereinX represents hydrogen or chloro,R.sub.1 and R.sub.3 represent hydrogen or methyl,R.sub.2 and R.sub.4 represent hydrogen, methyl or methoxy, andR.sub.5 represents hydrogen or C.sub.1-4 alkyl,which are useful as fiber-reactive dyestuffs in dyeing and printing hydroxy-group-containing as well as nitrogen-containing organic substrates and for the preparation of printing inks which are suitable for the ink jet process.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: July 4, 2000
    Assignee: Clariant Fianance (BVI) Limited
    Inventor: Detlef Kalweit
  • Patent number: 6060591
    Abstract: The disclosed dyes (which are fiber-reactive and are useful for dyeing materials containing OH and/or carboxamide groups) are compounds of the formula (1)Fb--Z.sub.n (1)in which:Fb is the radical of various classes of dyestuffs, including the formazans, azomethines, phthalocyanines, etc., and particularly sulfo group-containing monoazo or disazo dyes of the formulas (a-1) through (a-5):D.sup.1 --N.dbd.N--K.sup.2 -- (a-1)--D.sup.2 --N.dbd.N--(E--N.dbd.N).sub.v --K.sup.1 (a-2)--D.sup.2 --N.dbd.N--(E--N.dbd.N).sub.v --K.sup.2 -- (a-3)D.sup.1 --N.dbd.N--K.sup.0 --N.dbd.N--D.sup.2 -- (a-4)--D.sup.1 --N.dbd.N--K.sup.0 --N.dbd.N--D.sup.2 -- (a-5)in which in which D.sup.1 is a substituted or unsubstituted phenyl or naphthyl radical, D.sup.2 is the radical of a diazo component and K.sup.1, K.sup.2, and K.sup.0 are various coupling components, and E is a middle component.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: May 9, 2000
    Assignee: Dy Star Textilfarben GmbH & Co. Deutschland K.G.
    Inventors: Wilfried Hansmann, Hermann Henk, Stefan Ehrenberg, Wolfram Reddig
  • Patent number: 6022384
    Abstract: The present invention relates to a water-soluble reactive dye of the formula N(Z).sub.3, wherein each Z independently has the formula (III): ##STR1## wherein m, Q, Y and D are defined in the claims. The present invention also relates to a process for coloring a substrate that includes applying to the substrate the water-soluble reactive dye of the above formula at a pH above 7.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: February 8, 2000
    Assignee: Zeneca Limited
    Inventor: John Anthony Taylor
  • Patent number: 6015885
    Abstract: A polyazo compound represented by the following formula (I): ##STR1## wherein A represents unsubstituted phenylene or naphthylene;E represents hydroxynaphthylene;m, m.sup.1 and m.sup.3 independently represent an integer of 0 or 1;B and B1 represents hydrogen atom, --SO.sub.2 -Z in which Z represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Y in which Y represents a group eliminatable by an action of an alkali, or a substituted triazine group, etc.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: January 18, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Yoshiteru Ohta
  • Patent number: 6011140
    Abstract: Reactive dyes of the formula ##STR1## where n is 1 or 2,G.sup.1 is hydrogen or hydroxyl,G.sup.2 is hydrogen or hydroxysulfonyl,G.sup.3 is hydrogen or arylazo,R.sup.1 is hydrogen or hydroxysulfonylmethyl,R.sup.2 is hydrogen or hydroxysulfonylmethyl, andD is the radical of a diazo or tetraazo component having in each case at least one anchor radical of the formula SO.sub.2 --Y, where Y is vinyl or substituted ethyl,their use for dyeing or printing hydroxyl-containing or nitrogenous organic substrates, and naphthylamines as intermediates therefor.
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: January 4, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Andrea Zamponi, Manfred Patsch, Hermann Loffler
  • Patent number: 6005084
    Abstract: Fibre-reactive asymmetrical triphenodioxazine compounds conform to the formula I ##STR1## where the individual symbols are as defined in the description, and mixtures thereof and are present in the form of a free acid or as salt. They are used as reactive dyes for dyeing or printing hydroxyl-containing or nitrogenuos organic substrates, such as leather or fiber material consisting of or comprising natural or synthetic polyamides or natural or regenerated cellulose; the most preferred substrate is textile material consisting of or comprising cotton.
    Type: Grant
    Filed: August 15, 1996
    Date of Patent: December 21, 1999
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Detlef Kalweit, Roland Wald
  • Patent number: 5998591
    Abstract: There is provided a bisazo compound which is useful as a reactive dye for dyeing or printing a fiber material in an orange to scarlet or red color; the bisazo compound being represented by the following formula (1): ##STR1## wherein m and n represents 0 or 1; W represents a divalent connecting group represented by --NH-- or --NHCONH--;D.sup.1 and D.sup.2 represent a group represented by the following formula (2a), (2b), (2c) or (2d) ##STR2## wherein Y represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 L, in which L represents a group eliminatable by the action of an alkali.
    Type: Grant
    Filed: May 20, 1998
    Date of Patent: December 7, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kouji Toishi, Nobutaka Kunimi, Yoshiteru Ohta