Patents by Inventor Wataru Seto

Wataru Seto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Disperse dye mixtures which have a high degree of light fastness
    Patent number: 7824451
    Abstract: The present invention provides a blue dye mixture which contains the pigments represented by formulae [1], [2], [3], and [4] The present invention also relates to dye mixtures in which there are compounded therewith a yellow dye mixture and/or a red dye mixture. The invention further relates to a method of dyeing polyester-based fibers and dyed polyester-based fibers and dyed polyester-based fiber materials.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: November 2, 2010
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Toshio Hihara, Wataru Seto, Koichi Fujisaki, Daisuke Hosoda, Hiroshi Inoue
  • Disperse dye mixtures which have a high degree of light fastness
    Publication number: 20060230549
    Abstract: The present invention provides a blue dye mixture which contains the pigments represented by formulae [1], [2], [3], and [4] The present invention also relates to dye mixtures in which there are compounded therewith a yellow dye mixture and/or a red dye mixture. The invention further relates to a method of dyeing polyester-based fibers and dyed polyester-based fibers and dyed polyester-based fiber materials.
    Type: Application
    Filed: June 29, 2004
    Publication date: October 19, 2006
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Toshio Hihara, Wataru Seto, Koichi Fujisaki, Daisuke Hosoda, Hiroshi Inoue
  • Yellow disperse dye mixture which has a high level of light fastness
    Patent number: 7097670
    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: Grant
    Filed: August 2, 2003
    Date of Patent: August 29, 2006
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Toshio Hihara, Hiroshi Inoue, Wataru Seto
  • 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