Patents Assigned to Teljin Ltd.
  • Polyester fibers
    Patent number: 4621020
    Abstract: A papermaking polyester fiber having a denier number within the range of from about 0.1 to about 3.0 and a length within the range of from about 5 mm to about 25 mm and providing a packing factor of more than about 40 and a quantity of residual fibers of less than about 1000 mg on a flat screen plate when measured by a flat screen method.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: November 4, 1986
    Assignee: Teljin Ltd.
    Inventors: Mikio Tashiro, Kou Tsukiyama