Patents by Inventor Ralph H. Forester, Jr.

Ralph H. Forester, 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).

  • Process for manufacturing ultrathin polymer membranes and products derived therefrom
    Patent number: 3933561
    Abstract: Unsupported ultrathin polymer film is made in bulk form by floating the film on a bath, transferring the floating film to a release substrate, drying the resulting film/substrate composite, separating the film from the substrate, and retrieving the unsupported film, e.g. in the form of a convoluted roll provided with anti-blocking agent in between the convolutions. The bulk product can be made into thermal insulating material, flake-like weather modifying agents, etc.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: January 20, 1976
    Assignee: North Star Research Institute
    Inventors: Roy E. Larson, Ralph H. Forester, Jr.