Patents Assigned to TORAY TONEN SPECIALITY GODO KAISHA
  • Publication number: 20110117439
    Abstract: The invention relates to microporous polymeric membranes suitable for use as battery separator film. The invention also relates to a method for producing such a membrane, batteries containing such membranes as battery separators, methods for making such batteries, and methods for using such batteries.
    Type: Application
    Filed: June 24, 2009
    Publication date: May 19, 2011
    Applicant: TORAY TONEN SPECIALITY GODO KAISHA
    Inventors: Kazuhiro Yamada, Teiji Nakamura