Patents by Inventor Charles Borer

Charles Borer 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).

  • Heat-resistant adhesive lacquers as wire coatings
    Patent number: 3960799
    Abstract: A heat-curable adhesive lacquer is provided which comprises:(a) a polyurethane-ester-imide having (i) terminal isocyanate groups blocked by a monohydric phenol, and (ii) free hydroxyl groups and (b) an essentially linear epoxide or polyester resin having secondary hydroxyl groups and a molecular weight of above 30,000, the lacquer achieving, on drying, a B-state which is stable on storage such that the lacquer softens again when further heat is supplied to give a cross-linked resin in the C-state, which is heat stable.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: June 1, 1976
    Assignee: Schweizerische Isola-Werke
    Inventors: Hans Mosimann, Peter Heim, Charles Borer