Patents by Inventor Peggy J. Harris

Peggy J. Harris 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).

  • Patent number: 5410088
    Abstract: A process for preparing, in high yield, a sulfurized olefinic product for use in lubricating oil compositions having a low chlorine content, a sulfur content of from about 40 to about 50 weight percent and a viscosity at 100.degree. C. of less than about 20 cSt.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: April 25, 1995
    Assignee: Ethyl Petroleum Additives, Inc.
    Inventors: Peggy J. Harris, Clive R. Richardson