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. 27, 2016
Filed:
Apr. 12, 2007
Applicants:
Craig D. Tipton, Perry, OH (US);
Marina Baum, Chagrin Falls, OH (US);
Barton J. Schober, Perry, OH (US);
Inventors:
Craig D. Tipton, Perry, OH (US);
Marina Baum, Chagrin Falls, OH (US);
Barton J. Schober, Perry, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 161/00 (2006.01);
U.S. Cl.
CPC ...
C10M 161/00 (2013.01); C10M 2201/085 (2013.01); C10M 2205/02 (2013.01); C10M 2207/282 (2013.01); C10M 2209/084 (2013.01); C10M 2209/086 (2013.01); C10M 2215/042 (2013.01); C10M 2215/08 (2013.01); C10M 2215/28 (2013.01); C10M 2217/024 (2013.01); C10M 2217/028 (2013.01); C10M 2217/043 (2013.01); C10M 2219/106 (2013.01); C10M 2223/04 (2013.01); C10M 2223/043 (2013.01); C10M 2223/045 (2013.01); C10M 2223/049 (2013.01); C10M 2227/061 (2013.01); C10N 2220/021 (2013.01); C10N 2220/029 (2013.01); C10N 2220/033 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/044 (2013.01); C10N 2240/045 (2013.01); C10N 2240/046 (2013.01); C10N 2240/08 (2013.01); C10N 2240/10 (2013.01);
Abstract
The invention provides a lubricating composition containing (a) 0.1 to 15 wt % of a polymer with (i) a weight average molecular weight of 100,000 to 500,000; and (ii) a shear stability index of 10 to 60; (b) a phosphorus-containing acid, salt, or ester; (c) a dispersant; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.