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:
Jan. 11, 2011
Filed:
Feb. 08, 2006
Applicants:
Michael J. Conroy, Berkshire, GB;
Michele A. Thornhill, Oxfordshire, GB;
Inventors:
Michael J. Conroy, Berkshire, GB;
Michele A. Thornhill, Oxfordshire, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 143/06 (2006.01); C10M 133/16 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of reducing the occurrence of ring-sticking in an internal combustion engine in which the crankcase of such an engine is lubricated with a multigrade crankcase lubricating oil composition containing 1 to 15 mass %, based on the mass of the oil composition, of a non-hydrogenated olefin polymer having a number average molecular weight in the range of 100 to 5,000.