Patents Assigned to Daychem Laboratories, Inc.
  • Heat resistant polyimide-benzoxazole polymers and composites thereof
    Patent number: 5173561
    Abstract: The present invention relates to a novel class of aromatic diamine monomers, benzoxazole polymers made from said class of monomers, and polymer-matrix composites which may be produced therefrom. The present invention also relates to methods of producing said polymers and said polymer-matrix composites. The polymer-matrix composites have as one advantage high strength and temperature resistance.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: December 22, 1992
    Assignee: Daychem Laboratories, Inc.
    Inventor: Rakesh K. Gupta