Patents by Inventor Gisela Liesch

Gisela Liesch 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).

  • Adhesive RTV silicone rubber compounds
    Patent number: 5969057
    Abstract: Adhesive room temperature vulcanizing silicone rubber compositions based on polydiorganosiloxanes, which cross-link by means of condensation are good adhesives. The compounds contain, in addition to the conventional components, the combination of at least one hydrolyzable alkylsilalne and at least one branched polysiloxane.
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: October 19, 1999
    Assignee: Huels Silicone GmbH
    Inventors: Peter Schoeley, Gisela Liesch, Cornelia Sczepanski, Ulrich Michel
  • Catalyst for the preparation and processing of polyorganosiloxanes
    Patent number: 5708113
    Abstract: The invention relates to catalysts for the preparation and processing of polyorganosiloxanes, in particular for processing silicone resins, for example for solvent-free production of mica insulating materials. The catalysts are silanized organometallic compounds.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: January 13, 1998
    Assignee: Huels Silicone GmbH
    Inventors: Gunter Beuschel, Holger Rautschek, Gisela Liesch