Patents Assigned to DYSTAR TEXITILFARBEN GMBH & CO.
  • Yellow disperse dye mixture which has a high level of light fastness
    Publication number: 20050272920
    Abstract: The present inventions refers to a dye mixture comprising from 25 to 80% by weight with respect to the total dyestuff fraction of the yellow dyestuff represented by the structural formula [1] and from 75 to 20% by weight with respect to the total dyestuff fraction of a yellow dyestuff represented by the structural formula [2] wherein R denotes a C1 to C4 hydroxyalkyl group.
    Type: Application
    Filed: August 2, 2003
    Publication date: December 8, 2005
    Applicant: DYSTAR TEXITILFARBEN GMBH & CO.
    Inventors: Toshio Hihara, Hiroshi Inoue, Wataru Seto