Patents by Inventor Virgina M. Van Valkenburgh

Virgina M. Van Valkenburgh 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).

  • Liquid silicone esters
    Patent number: 5334737
    Abstract: The present invention provides a liquid silicone ester having a melting point of up to about 30.degree. C., and comprising (A) units of the general formula R.sub.a R.sup.E.sub.b SiO.sub.[4-(a+b)]/2 or (B) R.sub.x R.sup.E.sub.y SiO.sub.1/2 units and SiO.sub.4/2 units; R.sup.E being an ester-containing organic group. The silicone ester is liquid at ambient skin temperature and has improved workability, improved payout, improved emollient properties, greater solubility in organic compounds, greater substantivity to surfaces and improved water resistance.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: August 2, 1994
    Assignee: General Electric Company
    Inventors: Raymond J. Thimineur, Frank J. Traver, Virgina M. Van Valkenburgh