Patents by Inventor Hans-Georg Dorst

Hans-Georg Dorst has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Glass-fiber-reinforced thermoplastic molding compositions showing improved flowability and toughness
    Patent number: 4080349
    Abstract: Glass-fiber-reinforced thermoplastic molding compositions showing improved flowability and toughness and containing from 0.1 to 2% by weight, based on the total mixture, of a low molecular weight polyolefin wax to which from 2 to 50% by weight of polar side chains have been grafted.
    Type: Grant
    Filed: September 19, 1974
    Date of Patent: March 21, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Wurmb, Dietrich-Wolfgang Mueller, Hans Georg Dorst, Klaus Bronstert, Rainer Theysohn
  • Thermoplastic polybutylene terephthalate molding compositions of improved tracking resistance
    Patent number: 4043971
    Abstract: Thermoplastic polybutylene terephthalate molding compositions containing calcium sulfate and/or barium sulfate to increase the tracking resistance.
    Type: Grant
    Filed: April 21, 1976
    Date of Patent: August 23, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Wurmb, Joachim Kunde, Johannes Schlag, Hans Georg Dorst
  • Glass reinforced thermoplastic molding material containing zinc sulfide pigment
    Patent number: 3936413
    Abstract: Glass reinforced thermoplastic molding material pigmented with inorganic pigments and characterized by improved mechanical properties. Molding material according to the invention contains a pigment having a Mohs hardness of less than 5.
    Type: Grant
    Filed: May 31, 1973
    Date of Patent: February 3, 1976
    Assignee: Badische Anilin- & Soda-Fabrik Aktiengesellschaft
    Inventors: Rolf Wurmb, Raymond Denni, Hans-Georg Dorst, Rudolf Ilgemann