Patents by Inventor Raymond J. Petras

Raymond J. Petras 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: 4061826
    Abstract: A flame-retardant pressure-sensitive adhesive composition that is compatible with enameled magnet wire is provided by adding to a base adhesive material certain halogenated organic compounds, such as decabromodiphenyl oxide, which exhibit little halogen or other loss upon exposure to elevated temperature.
    Type: Grant
    Filed: June 25, 1976
    Date of Patent: December 6, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Raymond J. Petras, Gaylord L. Groff