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:
Jul. 18, 2023
Filed:
Jun. 19, 2019
Applicant:
The Lubrizol Corporation, Wickliffe, OH (US);
Inventors:
Daniel J. Knapton, Willowick, OH (US);
Allison M. Williamson, Chardon, OH (US);
Thomas Derevjanik, Mentor-on-the-Lake, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 153/02 (2006.01); C10M 129/50 (2006.01); C10M 135/10 (2006.01); C10M 137/10 (2006.01); C10M 141/10 (2006.01); C10M 149/10 (2006.01); C10M 157/08 (2006.01); C10M 161/00 (2006.01); C10M 169/04 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 153/02 (2013.01); C10M 129/50 (2013.01); C10M 135/10 (2013.01); C10M 137/10 (2013.01); C10M 141/10 (2013.01); C10M 149/10 (2013.01); C10M 157/08 (2013.01); C10M 161/00 (2013.01); C10M 169/044 (2013.01); C10M 2203/003 (2013.01); C10M 2207/141 (2013.01); C10M 2217/06 (2013.01); C10M 2219/044 (2013.01); C10M 2223/045 (2013.01); C10M 2225/041 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/06 (2013.01); C10N 2040/25 (2013.01);
Abstract
Lubricating compositions containing a phosphorus-containing salt of an acylated ethylene-α-olefin polymer substituted with an aliphatic polyamine having at least one primary or secondary amine, the lubricating composition having a total phosphorus content in an amount of 200 ppm to 600 ppm by weight of the lubricating composition. The phosphorus-containing salt additive described herein can be used as an anti-wear agent in lubricating composition for diesel engines.