Patents by Inventor Phoebe Duffield

Phoebe Duffield 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).

  • Flexible sheet molding compound and method of making the same
    Patent number: 5268400
    Abstract: Molded articles prepared from flexible sheet molding compounds, and method of making the same. A flexibility modifying agent is incorporated into a thermoset resin composition (e.g. sheet molding compound) to improve the flexibility characteristics of the thermoset resin composition by lowering the flexural modulus. The thermoset resin composition also contains therein an isocyanate terminated urethane prepolymer; a thickening agent; a catalyst; a fibrous reinforcing material; and an inert filler.
    Type: Grant
    Filed: March 17, 1992
    Date of Patent: December 7, 1993
    Assignee: The Budd Company
    Inventors: Kenneth A. Iseler, Phoebe Duffield, Robert C. Yen
  • Flexible sheet molding compound and method of making the same
    Patent number: 5100935
    Abstract: Molded articles prepared from flexible sheet molding compounds, and method of making the same. A flexibility modifying agent is incorporated into a thermoset resin composition (e.g. sheet molding compound) to improve the flexiblity characteristics of the thermoset resin compositon by lowering the flexural modulus. The thermoset resin composition also contains therein an isocyanate terminated urethane prepolymer; a thickening agent; a catalyst; a fibrous reinforcing material; and an inert filler.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: March 31, 1992
    Assignee: The Budd Company
    Inventors: Kenneth A. Iseler, Phoebe Duffield, Robert C. Yen