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:
Oct. 06, 2020
Filed:
Nov. 11, 2015
Applicant:
The Lubrizol Corporation, Wickliffe, OH (US);
Inventors:
William D. Abraham, Concord Township, OH (US);
Nga H. Nguyen, Scotch Plains, NJ (US);
Paul E. Adams, Willoughby, OH (US);
Kurt F. Wollenberg, Chardon, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 163/00 (2006.01); C10M 137/02 (2006.01); C10M 137/04 (2006.01); C10M 153/04 (2006.01); C10M 169/04 (2006.01); C10N 10/04 (2006.01); C10N 30/06 (2006.01); C10N 30/00 (2006.01); C10N 40/04 (2006.01); C10N 40/25 (2006.01); C10N 40/00 (2006.01); C10N 60/10 (2006.01); C10N 60/14 (2006.01); C10N 70/00 (2006.01);
U.S. Cl.
CPC ...
C10M 137/02 (2013.01); C10M 137/04 (2013.01); C10M 153/04 (2013.01); C10M 169/04 (2013.01); C10M 2203/1006 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/026 (2013.01); C10M 2207/28 (2013.01); C10M 2207/282 (2013.01); C10M 2207/289 (2013.01); C10M 2209/084 (2013.01); C10M 2215/04 (2013.01); C10M 2215/042 (2013.01); C10M 2215/064 (2013.01); C10M 2215/08 (2013.01); C10M 2215/223 (2013.01); C10M 2215/224 (2013.01); C10M 2215/26 (2013.01); C10M 2215/28 (2013.01); C10M 2215/30 (2013.01); C10M 2219/046 (2013.01); C10M 2219/106 (2013.01); C10M 2223/049 (2013.01); C10M 2225/00 (2013.01); C10M 2227/00 (2013.01); C10M 2227/061 (2013.01); C10N 2010/04 (2013.01); C10N 2030/06 (2013.01); C10N 2030/42 (2020.05); C10N 2030/45 (2020.05); C10N 2040/04 (2013.01); C10N 2040/042 (2020.05); C10N 2040/045 (2020.05); C10N 2040/25 (2013.01); C10N 2040/42 (2020.05); C10N 2060/10 (2013.01); C10N 2060/14 (2013.01); C10N 2070/00 (2013.01);
Abstract
A lubricant composition of an oil of lubricating viscosity and a phosphite ester reaction product of a monomeric phosphorous acid or an ester thereof with a first alkylene diol having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship and a second, alkyl-substituted, diol being a substituted 1,3-propylene diol, exhibits good wear and frictional performance.