Patents Assigned to Chemie Holding Aktiengesellschaft
  • Soluble and/or fusible polyamidoimide-polyimide block copolymers
    Patent number: 5118765
    Abstract: Soluble and/or fusible polyamidoimide-polyimide block copolymers with high heat stability, useful e.g. as molding powders for thermoplastic shaping films, fibers and laminates and process for their preparation are provided.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: June 2, 1992
    Assignee: Chemie Holding Aktiengesellschaft
    Inventors: Gerd Greber, Heinrich Gruber, Wolfgang Wimmer
  • Binder-free granules with delayed release of the active compound
    Patent number: 4902516
    Abstract: Binder-free granules for oral and parenteral administration with delayed release of the active compound, consisting of a pharmaceutical active compound or granules thereof and a coating of 1 to 20% by weight of poly-D(-)-3-hydroxybutyric acid, based on the total weight, and a process for their preparation.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: February 20, 1990
    Assignee: Chemie Holding Aktiengesellschaft
    Inventors: Werner Korsatko, Brigitta Korsatko-Wabnegg