Patents by Inventor Donald D. Dexter

Donald D. Dexter 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).

  • Lubricant composition containing friction-modifying agent and antiwear agent
    Patent number: 4312767
    Abstract: Disclosed is an improved lubricating oil composition containing a friction-modifying agent and an alkali metal borate antiwear agent.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: January 26, 1982
    Assignee: Chevron Research Company
    Inventors: John H. Adams, Donald D. Dexter