Patents by Inventor Barry S. Charlston

Barry S. Charlston 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 compositions
    Patent number: 4159252
    Abstract: A lubricant composition for use alone or in a lubricating base, comprising a finely divided carbonate of Group IIA metal and a halogenated organic lubricant.
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: June 26, 1979
    Assignee: Rocol Limited
    Inventors: Paul Wainwright, Michael J. Green, Barry S. Charlston
  • Lubricant compositions
    Patent number: RE31611
    Abstract: A lubricant composition for use alone or in a lubricating base, comprising a finely divided carbonate of Group IIA metal and a halogenated organic lubricant.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: June 26, 1984
    Assignee: Rocol Limited
    Inventors: Paul Wainwright, Michael J. Green, Barry S. Charlston