Patents by Inventor Paul William Pretzer

Paul William Pretzer 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).

  • Silicone pressure sensitive adhesive composition containing functionalized polyisobutylene
    Patent number: 5939477
    Abstract: A pressure sensitive adhesive composition which contains a mixture of a silicate resin, a polyorganosiloxane fluid, and a polyisobutylene polymer having at least one functionalized silicon containing moiety. One advantage of the present invention is that it provides a silicone pressure sensitive adhesive composition that has a reduced propensity for cold flow relative to many current silicone pressure sensitive adhesives.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: August 17, 1999
    Assignee: Dow Corning Corporation
    Inventors: Paul William Pretzer, Randall Paul Sweet