Patents by Inventor Hurbertus Eversheim

Hurbertus Eversheim 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).

  • Aminosiloxanes of high purity
    Patent number: 9951185
    Abstract: Disclosed herein is a composition comprising amino-functional polysiloxanes of high purity and their preparation. Also disclosed herein is an aminoalkyl-functional polysiloxane, a process for purifying this aminoalkyl-functional polysiloxane, a process for preparing the composition, a use of the composition, a polyorganosiloxane-polyorgano block copolymer, a process for the preparation of a polyorganosiloxane-polyorgano block copolymer and a shaped, formed and/or extruded shaped article.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 24, 2018
    Assignee: Momentive Performance Materials Inc.
    Inventors: John M. Huggins, Hurbertus Eversheim, Gunnar Hoffmüller
  • AMINOSILOXANES OF HIGH PURITY
    Publication number: 20160177037
    Abstract: Disclosed herein is a composition comprising amino-functional polysiloxanes of high purity and their preparation. Also disclosed herein is an aminoalkyl-functional polysiloxane, a process for purifying this aminoalkyl-functional polysiloxane, a process for preparing the composition, a use of the composition, a polyorganosiloxane-polyorgano block copolymer, a process for the preparation of a polyorganosiloxane-polyorgano block copolymer and a shaped, formed and/or extruded shaped article.
    Type: Application
    Filed: December 22, 2015
    Publication date: June 23, 2016
    Inventors: John M. Huggins, Hurbertus Eversheim, Gunnar Hoffmüller