Patents by Inventor Fred Morrar

Fred Morrar 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).

  • Method to control carbon black distribution in elastomer blends
    Patent number: 5428099
    Abstract: Elastomers modified by amine groups, particularly diethanol amine, are used for controlling carbon black distribution in elastomer blends.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: June 27, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Fred Morrar, Laszlo L. Ban, Walter G. Funk, Edward Kresge, Hsien-Chang Wang, Sudhin Datta, Robert C. Keller