Patents by Inventor Dawn E. Rich

Dawn E. Rich 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).

  • Poly(arylene sulfide) encapsulation process and article
    Patent number: 4810590
    Abstract: The surface smoothness and adhesion to metal of poly(arylene sulfide) is improved by the addition of an effective amount of a silica composition.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: March 7, 1989
    Assignee: Phillips Petroleum Company
    Inventor: Dawn E. Rich