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. 20, 2015
Filed:
Feb. 02, 2012
Applicants:
Haihu Qin, Greer, SC (US);
Marina Baum, Chagrin Falls, OH (US);
John R. Johnson, Euclid, OH (US);
Inventors:
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 145/14 (2006.01); C10M 169/04 (2006.01); C10M 161/00 (2006.01);
U.S. Cl.
CPC ...
C10M 145/14 (2013.01); C10M 161/00 (2013.01); C10M 2203/1025 (2013.01); C10M 2205/0285 (2013.01); C10M 2205/04 (2013.01); C10M 2207/026 (2013.01); C10M 2207/028 (2013.01); C10M 2207/046 (2013.01); C10M 2207/28 (2013.01); C10M 2209/084 (2013.01); C10M 2215/064 (2013.01); C10M 2215/086 (2013.01); C10M 2215/224 (2013.01); C10M 2215/28 (2013.01); C10M 2223/00 (2013.01); C10M 2223/043 (2013.01); C10M 2223/045 (2013.01); C10M 2223/049 (2013.01); C10N 2220/021 (2013.01); C10N 2220/029 (2013.01); C10N 2220/033 (2013.01); C10N 2230/02 (2013.01); C10N 2230/68 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/044 (2013.01); C10N 2240/08 (2013.01); C10N 2240/10 (2013.01);
Abstract
The present invention relates to a lubricating composition containing an oil of lubricating viscosity and a star polymer that has at least two inner blocks, at least one of which is in turn bonded to one or more outer blocks. The invention further relates to methods of lubricating a mechanical device with the lubricating composition.