Patents by Inventor James A. Vallender

James A. Vallender 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).

  • Polyorganosiloxane pressure sensitive adhesives and articles therefrom
    Patent number: 3983298
    Abstract: Curable polyorganosiloxane compositions are obtained from mixtures of a vinyl endblocked polydiorganosiloxane having a viscosity of from 20,000 to 100,000 centipoises, a benzene soluble resin copolymer ofR.sub.3 SiO.sub.1/2 units and SiO.sub.4/2 units,an organopolysiloxane having silicon bonded hydrogen atoms and a platinum catalyst. The cured compositions are useful as pressure sensitive adhesives having high tack, good adhesive strength, and an exceptional resistance to creep, even at elevated temperatures.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: September 28, 1976
    Assignee: Dow Corning Corporation
    Inventors: James R. Hahn, James A. Vallender