Patents Assigned to Dystar Textifarben GmbH & Co.
-
Publication number: 20100071589Abstract: 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: ApplicationFiled: December 13, 2007Publication date: March 25, 2010Applicant: DyStar Textifarben GmbH & Co. Deutschland KGInventors: Clemens Grund, Andreas Endres, Hartwig Jordan, Adrian Murgatroyd, Stefan Neubauer, Nigel Hall, Anthony Lawrence, Shinsuke Ono, Klaus-Wilfried Wanken
-
Publication number: 20090320217Abstract: 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: ApplicationFiled: January 28, 2008Publication date: December 31, 2009Applicant: DyStar Textifarben GmbH & Co. Deutschland KGInventors: Stefan Ehrenberg, Stefan Meier, Christian Schumacher
-
Publication number: 20080295261Abstract: The invention relates to a dye of the formula I wherein the phenylene ring A is unsubstituted or singly or multiply substituted by C1-C4-alkyl, halogen, aryl, CF3, CN, C1-C4-alkoxy, COR1, COOR1, CONR2R3, SO2R1 or SO2NR2R3, wherein R1 is C1-C4-alkyl, which is optionally substituted, or is aryl, R2 and R3 are independently hydrogen, C1-C4-alkyl, which is optionally substituted, or aryl; R4 is C1-C4-alkyl; X is hydrogen, Cl or Br, Y is OH or NHR4; and Z1 and Z2 are independently hydrogen or halogen. The invention also relates to a method for the production of the dye of the formula (I). The invention further relates to a colored polyurethane and method of producing the colored polyurethane.Type: ApplicationFiled: December 1, 2006Publication date: December 4, 2008Applicant: DyStar Textifarben GmbH & Co. Deutschland KGInventors: Hartwig Jordan, Werner Russ
-
Publication number: 20080189882Abstract: The present invention relates to dyes of the general formula I where R1 to R4 and Y are each as defined in claim 1, dye mixtures comprising same, processes for their preparation, and also their use for dyeing and printing hydrophobic synthetic materials.Type: ApplicationFiled: May 30, 2006Publication date: August 14, 2008Applicant: DyStar Textifarben GmbH & Co. DeutschlandInventors: Hartwig Jordan, Andreas Endres
-
Publication number: 20070271710Abstract: The present invention relates to the use of a yellow and/or a red and/or a blue component of disperse dyes for dyeing poly(lactic acid) fibers or poly(lactic acid) based fibers.Type: ApplicationFiled: June 17, 2005Publication date: November 29, 2007Applicant: DyStar Textifarben GmbH & Co. Deutschland KGInventors: Daisuke Hosoda, Koichi Fujisaki, Toshio Hihara
-
Publication number: 20060174426Abstract: 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: ApplicationFiled: February 6, 2006Publication date: August 10, 2006Applicant: DyStar Textifarben GmbH & Co.Inventors: Thomas Ruchser, Andreas Giehl
-
Patent number: 6916350Abstract: Dye mixtures including one or more azo dyes of the general formula (1) and one or more azo dyes of the general formula (2) are prepared and used for dyeing or printing hydroxyl- and/or carboxamido-containing material, preferably fiber material.Type: GrantFiled: March 31, 2001Date of Patent: July 12, 2005Assignee: DyStar Textifarben GmbH & Co. Deutschland KGInventors: Joachim Steckelberg, Werner Russ
-
Patent number: 6673906Abstract: The present invention relates to the &bgr; modification of the dye of the formula IType: GrantFiled: January 11, 1996Date of Patent: January 6, 2004Assignee: DyStar Textifarben GmbH & Co. Deutschland KGInventor: Ulrich Bühler
-
Patent number: 6187912Abstract: 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: GrantFiled: January 7, 2000Date of Patent: February 13, 2001Assignee: Dystar Textifarben GmbH & Co.Inventor: Joachim Steckelberg
-
Patent number: 6121352Abstract: The present invention relates to dye mixtures comprising at least one compound of the formula (I) ##STR1## and at least one compound of the formula (II) ##STR2## where the substituents are each as defined in the description part, which are highly useful for dyeing and printing hydrophobic synthetic material.Type: GrantFiled: March 18, 1999Date of Patent: September 19, 2000Assignee: Dystar Textifarben GmbH & Co.Inventors: Manfred Hoppe, Kiyoshi Himeno, Ryouichi Sekioka