Patents by Inventor Gilbert M. Gynn

Gilbert M. Gynn 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).

  • Molding composition and process for low pressure molding of composite parts
    Patent number: 5521232
    Abstract: The invention is a molding composition and molding process for use in the manufacture of lightweight composite vehicle parts and construction parts having smooth surfaces. The molding process may be at low pressures. The composition includes kaolin clay filler and, optionally, hydrophilic fumed silica thixotrope.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: May 28, 1996
    Assignee: Ashland Inc.
    Inventors: Gilbert M. Gynn, David W. Hearn
  • Preparation of resins from phenolic compounds and oxazolines using ammonium or phosphonium salt catalysts
    Patent number: 5302687
    Abstract: A process for preparing a polymeric composition comprising reacting a mixture of at least one phenolic compound and at least one oxazoline compound in the presence of a catalytic amount of at least one ammonium salt and a tetracarbyl phosphonium salt, and optionally also in the presence of an alkyl halide is described.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: April 12, 1994
    Assignee: Ashland Oil, Inc.
    Inventors: Billy M. Culbertson, Omar Tiba, Gilbert M. Gynn
  • Thermosetting molding compounds
    Patent number: 4758400
    Abstract: Fiber reinforced molding compounds wherein the resinous matrix is a thermosetting linear polymer characterized in constituting two oligomeric ethylenically unsaturated polyester segments joined through a polyurethane residue and having acryloyl or methacryloyl end groups.
    Type: Grant
    Filed: January 27, 1987
    Date of Patent: July 19, 1988
    Assignee: Ashland Oil, Inc.
    Inventors: William R. Dunnavant, Gilbert M. Gynn, Richard E. Field