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:
Feb. 27, 2007
Filed:
Sep. 19, 2003
Applicant:
Stanley James Cartwright, Sarnia, CA;
Inventor:
Stanley James Cartwright, Sarnia, CA;
Assignee:
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 141/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lubricating oil with very low phosphorus content, and having long life as evidenced by a reduction in viscosity increase, oxidation and nitration, comprises a major amount of a base oil of lubricating viscosity and a minor amount of a mixture of neutral and overbased metallic detergents, at least a zinc dialkyldithiocarbamate and a zinc dialkyldithiophosphate antiwear additive and at least a dihydrocarbylthiocarbamoyl.