Patents Assigned to S.N.C. Kermel
  • Polyimide solutions and method of obtaining them
    Patent number: 5596073
    Abstract: The present invention relates to solutions which can be directly shaped in anhydrous dimethylalkyleneurea, based on a polyimide obtained from an aromatic dianhydride and an aromatic diisocyanate.It also relates to the process for the production of the above solutions, as well as to a process for spinning these solutions and to the yarns and fibres thus obtained.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: January 21, 1997
    Assignee: S.N.C. Kermel
    Inventors: Philippe Michaud, Jean Russo