Patents Assigned to DuPont Toray Company, Ltd.
  • Stable double covered elastic yarn, process for making same, and fabric comprising same
    Patent number: 6240716
    Abstract: A double-covered yarn based on a spandex core having a heat set of at least 50% and two sheath yarns wound in the same direction, a process for the preparation of such yarn and fabrics produced therefrom, are provided.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: June 5, 2001
    Assignee: DuPont Toray Company, Ltd.
    Inventors: Takeshi Yanagawase, Shoichi Hayashi