Patents Assigned to Nippon Polypenco Limited
  • Antistatic molded article of monomer-cast nylon
    Patent number: 5179155
    Abstract: An antistatic molded article of monomer-cast nylon, which contains from 2 to 40% by weight of spherical or substantially spherical fine carbon particles having a specific gravity of from 1.4 to 1.6 and an average particle size of from 5 to 25 .mu.m.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: January 12, 1993
    Assignee: Nippon Polypenco Limited
    Inventors: Saburo Sano, Yoichi Ebata
  • Process for producing an antistatic molded article of monomer-cast nylon
    Patent number: 5084504
    Abstract: A process for producing an antistatic molded article of monomer-cast nylon, which contains from 2 to 40% by weight of spherical or substantially spherical fine carbon particles having a specific gravity of from 1.4 to 1.6 and an average particle size of from 5 to 25 .mu.m.
    Type: Grant
    Filed: January 30, 1990
    Date of Patent: January 28, 1992
    Assignee: Nippon Polypenco Limited
    Inventors: Saburo Sano, Yoichi Ebata