Patents Assigned to DyStar Colours Deutschland GmbH
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Patent number: 9023117Abstract: The present invention provides dye mixtures containing at least one dye of formula (I) and at least one dye of formula (II) where T1, T2, R1 to R9 and n are each as defined in claim 1, processes for their preparation and their use.Type: GrantFiled: September 19, 2012Date of Patent: May 5, 2015Assignee: Dystar Colours Deutschland GmbHInventors: Adrian Murgatroyd, Clemens Grund, Timo Liebig, Stefan Neubauer
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Patent number: 8696766Abstract: A dye of the general formula (I) where D is the residue of a diazo component; X is (C1-C6)-alkylene or oxygen-interrupted (C2-C6)-alkylene; R1 is methyl, ethyl or phenyl; R2 is hydrogen, cyano or carboxamido; R3 is phenyl or substituted phenyl; R4 is hydrogen or methyl or R3 and R4 combine with the atoms to which they are attached to form a five- or six-membered ring. The invention further relates to the process of the preparation of the dye of formula and its use.Type: GrantFiled: March 18, 2009Date of Patent: April 15, 2014Assignee: DyStar Colours Deutschland GmbHInventor: Stefan Neubauer
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Publication number: 20130019415Abstract: The present invention relates to a compound of formula (I), where A and B are each as defined in claim 1, to its preparation and to its use.Type: ApplicationFiled: September 17, 2012Publication date: January 24, 2013Applicant: DyStar Colours Deutschland GmbHInventors: Roxana Barbieru, Gunter Görlitz, Carsten Harfmann
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Publication number: 20130019416Abstract: The present invention provides dye mixtures containing at least one dye of formula (I) and at least one dye of formula (II) where T1, T2, R1 to R9 and n are each as defined in claim 1, processes for their preparation and their use.Type: ApplicationFiled: September 19, 2012Publication date: January 24, 2013Applicant: DyStar Colours Deutschland GmbHInventors: Adrian Murgatroyd, Clemens Grund, Timo Liebig, Stefan Neubauer
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Patent number: 8349029Abstract: 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: GrantFiled: January 30, 2012Date of Patent: January 8, 2013Assignee: DyStar Colours Deutschland GmbHInventors: Jörg Wörner, Andreas Schrell
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Patent number: 8323358Abstract: The present invention refers to a red-dyeing acid dye mixture comprising a dye of the formula (I) and at least one dye of the formula (II) a process for its manufacturing and a process for dyeing and printing of natural or synthetic polyamide fiber material in which it used.Type: GrantFiled: February 6, 2006Date of Patent: December 4, 2012Assignee: DyStar Colours Deutschland GmbHInventors: Thomas Ruchser, Andreas Giehl
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Publication number: 20120272462Abstract: The present invention relates to a compound of formula (I), where X, Y, T and Z are each as defined in claim 1, to its preparation and to its use.Type: ApplicationFiled: January 17, 2012Publication date: November 1, 2012Applicant: DyStar Colours Deutschland GmbHInventors: Roxana Barbieru, Carsten Harfmann, Werner Russ
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Publication number: 20120240346Abstract: The present invention relates to dye mixtures which comprise at least one dye of the formula and at least one dye of the formula (II) in which R1, R2, R3, and X are defined as stated in claim 1, to processes for their preparation, and to their use.Type: ApplicationFiled: January 30, 2012Publication date: September 27, 2012Applicant: DyStar Colours Deutschland GmbHInventors: Adrian Murgatroyd, Clemens Grund, Klaus-Wilfried Wanken, Hartwig Jordan
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Publication number: 20120216356Abstract: 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: ApplicationFiled: January 30, 2012Publication date: August 30, 2012Applicant: DyStar Colours Deutschland GmbHInventors: Jörg Wörner, Andreas Schrell
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Patent number: 8226758Abstract: The present invention relates to a disperse dye mixture containing (a) two or more disperse dyestuffs of the formula (I) or (b) one or more disperse dyestuffs of the formula (I) and one or more other disperse dyestuffs. The invention also relates to their process of preparation and their use.Type: GrantFiled: December 13, 2007Date of Patent: July 24, 2012Assignee: DyStar Colours Deutschland GmbHInventors: Clemens Grund, Andreas Endres, Hartwig Jordan, Adrian Murgatroyd, Stefan Neubauer, Nigel Hall, Anthony Lawrence, Shinsuke Ono, Klaus-Wilfried Wanken
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Publication number: 20120174324Abstract: The present invention relates to a dye of formula (I) where R1, R2, X, Y and t are each as defined in claim 1, to its preparation and to its use.Type: ApplicationFiled: April 15, 2010Publication date: July 12, 2012Applicant: DYSTAR COLOURS DEUTSCHLAND GMBHInventors: Roxana Barbieru, Werner Russ, Jürgen Kühlwein, Carsten Harfmann
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Patent number: 8167958Abstract: The present invention relates to a process for dyeing sheetlike textile materials with a dye, which comprises a concentrated dye system being applied in a total amount of 1% to 25% by weight, based on the textile material, to the textile material in two or more sub-steps and the dye being fixed on the textile material after each and every sub-step.Type: GrantFiled: August 14, 2009Date of Patent: May 1, 2012Assignee: DyStar Colours Deutschland GmbHInventors: Christian Meyer, Wolfgang Schrott, Franz Sütsch
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Patent number: 8142520Abstract: The present invention concerns dyes of the general formula I where X and Y represent hydrogen, bromine or chlorine, but not simultaneously hydrogen; R represents F, Cl, Br, COOR1 or CF3; R? represents H or F; R1 represents C1-C6-alkyl; and one of W1 and W2 represents hydroxyl and the other nitro and Y is always ortho to the hydroxyl group; but not compounds in which R represents Cl attached to the phenyl nucleus in a is position ortho to the NH group nor compounds in which W1 represents nitro, W2 represents hydroxyl, Y represents hydrogen, X represents chlorine and R represents bromine attached to the phenyl nucleus in a position meta to the NH group, mixtures with further dyes, and also their preparation and use.Type: GrantFiled: August 24, 2007Date of Patent: March 27, 2012Assignee: DyStar Colours Deutschland GmbHInventors: Hartwig Jordan, Andreas Endres
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Patent number: 8080101Abstract: The present invention relates to dye mixtures which comprise at least one dye of the formula (I), at least one dye of the formula (II) and optionally at least one dye of the formula (III) and/or optionally at least one dye of the formula (IV) in which D1 to D7, R201 to R203, R0, R* and R**, T, M, v and f are as defined in claim 1, to dyes of the formula (II), to processes for their preparation, and to their use for dyeing and printing hydroxyl- and carboxamido-containing materials.Type: GrantFiled: September 29, 2006Date of Patent: December 20, 2011Assignee: DyStar Colours Deutschland GmbHInventors: Joachim Eichhorn, Stefan Meier, Werner Hubert Russ
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Patent number: 8070832Abstract: The invention provides for a dye of the 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 or —NHSO2 (C1-C6)-alkyl; R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy 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 or (C1-C6)-alkyl; R5 is hydrogen or (C1-C6)-alkyl; R6 is hydrogen or (C1-C6)-alkyl; X is phenyl, thiophenyl, sulfonylphenyl or phenoxy; n is 0, 1, or 2; and m is 0 or 1. The invention is also related to the process of using the dye and the process of preparing the dye.Type: GrantFiled: August 1, 2008Date of Patent: December 6, 2011Assignee: DyStar Colours Deutschland GmbHInventor: Stefan Neubauer
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Publication number: 20110289697Abstract: The present invention relates to a process for dyeing sheetlike textile materials with a dye, which comprises a concentrated dye system being applied in a total amount of 1% to 25% by weight, based on the textile material, to the textile material in two or more sub-steps and the dye being fixed on the textile material after each and every sub-step.Type: ApplicationFiled: August 14, 2009Publication date: December 1, 2011Applicant: Dystar Colours Deutschland GmbHInventors: Christian Meyer, Wolfgang Schrott, Franz Sütsch
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Publication number: 20110283465Abstract: The present invention relates to dyes of the formula (I), in which R1 to R4, D1, f, and M are defined as indicated in claim 1, to processes for preparing them, and to their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.Type: ApplicationFiled: January 18, 2010Publication date: November 24, 2011Applicant: DYSTAR COLOURS DEUTSCHLAND GMBHInventors: Joachim Eichhorn, Andreas Schrell
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Publication number: 20110247150Abstract: The invention provides for a dye of the 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 or —NHSO2(C1-C6)-alkyl; R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy 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 or (C1-C6)-alkyl; R5 is hydrogen or (C1-C6)-alkyl; R6 is hydrogen or (C1-C6)-alkyl; X is phenyl, thiophenyl, sulfonylphenyl or phenoxy; n is 0 , 1, or 2; and m is 0 or 1. The invention is also related to the process of using the dye and the process of preparing the dye.Type: ApplicationFiled: August 1, 2008Publication date: October 13, 2011Applicant: DYSTAR COLOURS DEUTSCHLANDS GMBHInventor: Stefan Neubauer
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Publication number: 20110218276Abstract: The present invention relates to a compound of formula (I) where T, Q1, R1 to R6 and R30 are each as defined in claim 1, to their preparation and to their use.Type: ApplicationFiled: August 20, 2009Publication date: September 8, 2011Applicant: DyStar Colours Deutschland GmbHInventors: Gunter Görlitz, Carsten Harfmann, Roxana Barbieru
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Publication number: 20110173764Abstract: The invention relates to an azo dye of formula (1) The invention also relates to a process for the preparation of the dye of formula (1) and the use of the dye of the formula (1).Type: ApplicationFiled: July 24, 2009Publication date: July 21, 2011Applicant: DyStar Colours Deutschland GmbHInventor: Stefan Ehrenberg