Patents Examined by N. Sanofim
  • Fiber having high density and roughened surface
    Patent number: 4745027
    Abstract: There is provided an improved polyester fiber said improvement comprising (a) said fiber containing a density increasing amount of particles having a specific gravity higher than the polyester polymer from which the fiber is made and (b) a roughened surface thereby providing improved drape and silhouette to woven and knitted fabrics made therefrom.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: May 17, 1988
    Assignee: Kuraray Co., Ltd.
    Inventors: Katsura Maeda, Takao Akagi, Masanori Sato, Shinji Yamaguchi