Patents by Inventor William R. Wolfe, Jr.

William R. Wolfe, Jr. 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).

  • Lamination of fluorocarbon films
    Patent number: 4549921
    Abstract: Surface treated oriented fluorocarbon films can be laminated to substrates using an adhesive composition of a selected copolymer of vinylidene fluoride and hexafluoropropylene and a selected diisocyanate curing agent in an organic solvent.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: October 29, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: William R. Wolfe, Jr.
  • Microwave absorber
    Patent number: 4518651
    Abstract: A flexible composite material is disclosed which exhibits a controlled absorption of microwave energy based on presence of particulate carbon in a polymeric matrix bound to a porous substrate. The material is used in packages for microwave cooking. A process for making the material is also disclosed.
    Type: Grant
    Filed: February 16, 1983
    Date of Patent: May 21, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: William R. Wolfe, Jr.
  • Process for surface modification of polyethylene terephthalate film
    Patent number: H688
    Abstract: An improved process for surface modification of polyethylene terephthalate film is provided, involving corona discharge treatment of the film in an atmosphere of nitrogen containing up to about 350 ppm oxygen, and optionally a small amount of acetone vapor. Films so treated exhibit improved surface properties.
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: October 3, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Warren S. Sobataka, William R. Wolfe, Jr.