The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2008
Filed:
Nov. 23, 2004
Applicants:
Kenneth D. Nelson, Clearlake, CA (US);
Frank Plavac, Mill Valley, CA (US);
Inventors:
Kenneth D. Nelson, Clearlake, CA (US);
Frank Plavac, Mill Valley, CA (US);
Assignee:
Chevron Oronite Company LLC, San Ramon, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 135/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Sulfurized olefin compositions and compounds of the formula: wherein Ris hydrogen or methyl; X is sulfur or oxygen; m is an integer from 1 to 9; and n is 0 or 1, and when n is 0 then Ris methyl, and when n is 1 then Ris hydrogen are disclosed. The resulting compounds are particularly the polyisobutyl-1,2-dithiole-4-cyclopentene-3-thione compounds and derivatives are useful in lubricating oils.