Patents by Inventor Jack M. Lazar

Jack M. Lazar 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).

  • Patent number: 4973364
    Abstract: A substantially wrinkle-free, high modulus, thermoplastic film having at least one compound curve is disclosed. The substantially wrinkle-free film may form a part of a laminate which itself has utility in automotive glazing applications.An improved lamination process is also disclosed for the production of non-planar laminates from planar sheets of heat-shrinkable films through the use of a negative image mold of the non-planar article to be laminated. Heat-shrinkable films which may be used in the practice of the invention include polyester films, polyolefin films, polyamide films, polyurethane films, polycarbonate films, polyvinylchloride films, and polystyrenic films.The method is applicable to a wide range of non-planar articles and is particularly suitable to articles having at least one compound curve forming at least part of its surface. The improved lamination process of the present invention has specific utility in the manufacture of automotive glazing products such as windshields and rear windows.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: November 27, 1990
    Assignee: Hoechest Celanese Corporation
    Inventors: Grover L. Farrar, H. Wayne Swofford, Jack M. Lazar, Samuel M. Inman, Stephen J. Gust