Patents by Inventor V ncent J. Wojtyna

V ncent J. Wojtyna 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).

  • Closed cell phenolic foam containing alkyl glucosides
    Patent number: 4956394
    Abstract: The physical and mechanical properties of closed cell phenolic foam are improved by incorporating into certain foamable phenolic resole compositions small quantities of alkyl glucosides, particularly methyl glucosides. The alkyl glucosides also improve the process for preparing the closed cell phenolic foam.
    Type: Grant
    Filed: December 12, 1989
    Date of Patent: September 11, 1990
    Assignee: Thermal Products International
    Inventors: Edward W. Kifer, V ncent J. Wojtyna, James P. Colton, Jeffrey T. Stickel