Patents by Inventor Eli M. Dannenberg

Eli M. Dannenberg 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).

  • Oxidation resistant asphalt compositions
    Patent number: 4196013
    Abstract: Disclosed herein are carbon black-containing asphalt compositions having improved properties of resistance to thermal and actinic oxidation.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: April 1, 1980
    Assignee: Cabot Corporation
    Inventors: Eli M. Dannenberg, Frank R. Williams