Patents by Inventor Mark F. Grimes

Mark F. Grimes 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).

  • Acetylene-terminated polyimide compositions
    Patent number: 4365034
    Abstract: A composition of matter comprising an acetylene-terminated polyimide oligomer and a cure rate inhibitor selected from the group consisting of hydroquinone, maleic acid, glutaric acid, dibetanapthyl para-phenylene diamine. The composition has a retarded cure rate, thereby facilitating the fabrication of void-free molded objects and composites.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: December 21, 1982
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Mark F. Grimes, Theodore J. Reinhart, Jr.