Patents Assigned to Hoechst Aktiengcsellschaft.
  • Cycloolefin copolymers and a process for their preparation
    Publication number: 20020137863
    Abstract: The present invention relates to cycloolefin copolymer having a solution viscosity (eta)>0.25 dl/g (measured in accordance with DIN 53 728 in decalin at 135° C.
    Type: Application
    Filed: April 1, 2002
    Publication date: September 26, 2002
    Applicant: Hoechst Aktiengcsellschaft.
    Inventors: Frank Osan, Jurgen Kulpe, Willi Kreuder