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. 05, 2019
Filed:
Jul. 22, 2014
Applicant:
The Lubrizol Corporation, Wickliffe, OH (US);
Inventors:
Gary M. Walker, Allestree, GB;
Gareth Brown, Belper, GB;
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 105/04 (2006.01); C10M 129/40 (2006.01); C10M 135/10 (2006.01); C10M 137/02 (2006.01); C10M 139/00 (2006.01); C10M 159/20 (2006.01); C10M 159/22 (2006.01); C10M 159/24 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C10M 105/04 (2013.01); C10M 129/40 (2013.01); C10M 135/10 (2013.01); C10M 137/02 (2013.01); C10M 139/00 (2013.01); C10M 159/20 (2013.01); C10M 159/22 (2013.01); C10M 159/24 (2013.01); C10M 2203/1025 (2013.01); C10M 2205/0285 (2013.01); C10M 2207/028 (2013.01); C10M 2207/122 (2013.01); C10M 2215/064 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2219/106 (2013.01); C10M 2223/049 (2013.01); C10N 2210/01 (2013.01); C10N 2220/027 (2013.01); C10N 2220/028 (2013.01); C10N 2230/06 (2013.01); C10N 2230/52 (2013.01); C10N 2240/04 (2013.01); C10N 2270/00 (2013.01);
Abstract
The invention provides a method of lubricating a transmission which includes a synchronizer with a non-metallic surface, the method comprising supplying thereto a lubricant comprising: (a) an oil of lubricating viscosity; (b) an alkaline earth metal detergent; and (c) a non-aromatic carboxylic acid or a salt thereof having 8 to 24 carbon atoms.