Patents by Inventor Andrew M. Steurer

Andrew M. Steurer 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).

  • Internal lubricant for glass reinforced polyarylene sulfide
    Patent number: 5008316
    Abstract: Polyarylene sulfide molding compositions are provided with improved mold release properties by the inclusion of an internal lubricant comprising stearyl erucamide.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: April 16, 1991
    Assignee: Hoechst Celanese Corporation
    Inventors: Lachhman Wadhwa, Andrew M. Steurer
  • Internal lubricant for glass reinforced polyarylene sulfide
    Patent number: 4960813
    Abstract: Polyarylene sulfide molding compositions are provided with improved mold release properties by the inclusion of an internal lubricant comprising pentaerythritol tetrastearate.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: October 2, 1990
    Assignee: Hoechst Celanese Corporation
    Inventors: Lachhman H. Wadhwa, Andrew M. Steurer