Patents by Inventor Bradley S. Thorfinnson

Bradley S. Thorfinnson 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).

  • Process for the preparation of cyanate resin-based prepregs and films which maintain their tack
    Patent number: 4876153
    Abstract: Cyanate-functional resin adhesives, matrix resin films and prepregs which maintain their tack for extended periods may be prepared using silicone coated release film containing low levels of residual metal catalyst, or which have had their silicone coating prepared in the absence of such catalysts.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: October 24, 1989
    Assignee: BASF Corporation
    Inventor: Bradley S. Thorfinnson
  • Method of increasing the toughness of fiber-reinforced composites without loss of modulus
    Patent number: 4778716
    Abstract: Inclusion of minor amounts of predominately amorphous silica microfibers into thermosetting matrix resins allow manufacture of prepregs which produce toughened composites resistant to impact damage without the loss of modulus normally associated with toughened resin systems.
    Type: Grant
    Filed: March 26, 1987
    Date of Patent: October 18, 1988
    Assignee: BASF Corporation
    Inventors: Bradley S. Thorfinnson, Thomas J. Folda