Patents by Inventor Gayle P. Hebert

Gayle P. Hebert 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).

  • Diesel crankcase lubricant composition
    Patent number: 4282107
    Abstract: A diesel crankcase lubricant composition containing a non-CO.sub.2 blown 2:1 calcium hydroxide overbased calcium salt of a sulfurized alkylphenolate, an alkenyl succinimide and a pour depressant in a mineral oil base. The composition has excellent silver frictional control without requiring incorporation of a silver friction modifier.
    Type: Grant
    Filed: September 26, 1979
    Date of Patent: August 4, 1981
    Assignee: Texaco Inc.
    Inventors: Benjamin H. Zoleski, Rodney L. Sung, Gordon R. Schierberg, Gayle P. Hebert