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:
Dec. 29, 2015
Filed:
Jun. 23, 2010
Applicants:
Simon William Dunning, Chester, GB;
David John Wedlock, Chester, GB;
Inventors:
Simon William Dunning, Chester, GB;
David John Wedlock, Chester, GB;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 159/00 (2006.01); C10M 165/00 (2006.01); C10M 107/02 (2006.01); C10M 111/04 (2006.01);
U.S. Cl.
CPC ...
C10M 107/02 (2013.01); C10M 111/04 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/024 (2013.01); C10M 2205/173 (2013.01); C10M 2209/084 (2013.01); C10N 2220/022 (2013.01); C10N 2220/025 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/54 (2013.01); C10N 2230/74 (2013.01); C10N 2240/10 (2013.01); C10N 2240/102 (2013.01);
Abstract
The present invention provides a lubricating composition for use in the crankcase of an engine comprising a base oil and one or more additives, wherein the base oil comprises a Fischer-Tropsch derived base oil and wherein the lubricating composition has a kinematic viscosity at 100 C (according to ASTM D 445} of below 5.6 cSt and a Noack volatility (according to ASTM D 5800) of below 15 wt. %.