Patents by Inventor James Churchill Healy

James Churchill Healy 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).

  • Asphalt compositions
    Patent number: 4069181
    Abstract: Asphalt cement compositions are produced which contain an EPDM or EPM elastomer. The elastomer is premixed with a high DBP absorption value reinforcing carbon black to form a bound rubber masterbatch. The specific gravity of the masterbatch is substantially equivalent to the specific gravity of the asphalt cement or asphalt.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: January 17, 1978
    Assignee: The B. F. Goodrich Company
    Inventors: James Churchill Healy, Roy Francis Whitaker