Patents by Inventor Philip Andrew Johnson

Philip Andrew Johnson 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).

  • Thermosetting resin compositions, electrical laminates obtained therefrom and process of producing these
    Patent number: 6187442
    Abstract: The present invention relates to thermosetting resin compositions comprising (a) a first vinyl ester resin synthesized from the diglycidyl ether of bisphenol A, bisphenol A and glacial methacrylic acid, in from about 1% to about 95% by weight of the total composition; (b) a resin selected from the group consisting of (1) a second different vinyl ester synthesized from the diglycidyl ether of bisphenol A with glacial methacrylic acid, and (2) an unsaturated polyester, in from about 1% to about 69% by weight of the total composition; and electrical laminates made therefrom which further comprise a catalyst in from about 0.1% to about 2% by weight of the total composition and which may or may not be clad with an electrical conductive layer on at least one side; and a method of producing these.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: February 13, 2001
    Assignee: The Alpha Corporation of Tennessee
    Inventors: Scott Alan Lane, Thomas Edward Even, Timothy Wayne Austill, Philip Andrew Johnson