Patents by Inventor Virginia M. VanValkenburgh

Virginia M. VanValkenburgh 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).

  • Nonaqueous method for making silicone oligomers
    Patent number: 4950779
    Abstract: A nonaqueous method is provided for making silicone oligomers by using stoichiometric amounts of formic acid to effect the condensation of polyalkoxysilanes or polayminosilanes. Reaction can be effected under ambient conditions.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: August 21, 1990
    Assignee: General Electric Company
    Inventors: Jeffrey H. Wengrovius, Virginia M. VanValkenburgh
  • Organic silicon-nitrogen compositions and their use as adhesion promoters in room temperature vulcanizable polydiorganosiloxane compositions
    Patent number: 4891402
    Abstract: Organic silicon-nitrogen compositions are prepared by the reaction of approximately equimolar amounts of a glycidoxyalkyltrialkoxysilane and a primary amine such as isobutylamine. They are useful as adhesion promoters in room temperature vulcanizable compositions comprising polyalkoxysilyl-terminated polydiorganosiloxanes.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: January 2, 1990
    Assignee: General Electric Company
    Inventors: Jeffrey H. Wengrovius, Virginia M. VanValkenburgh, Steven J. Valenty