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:
Nov. 17, 2020
Filed:
Jul. 18, 2018
Applicant:
Afton Chemical Corporation, Richmond, VA (US);
Inventors:
Arturo Carranza, Henrico, VA (US);
Sheng Jiang, Glen Allen, VA (US);
Assignee:
AFTON CHEMICAL CORPORATION, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 143/04 (2006.01); C10M 145/22 (2006.01); C10M 133/12 (2006.01); C10M 133/48 (2006.01); C10M 159/12 (2006.01); C10N 30/02 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 143/04 (2013.01); C10M 133/12 (2013.01); C10M 133/48 (2013.01); C10M 145/22 (2013.01); C10M 159/12 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/08 (2013.01); C10M 2207/021 (2013.01); C10M 2207/044 (2013.01); C10N 2030/02 (2013.01); C10N 2040/252 (2020.05);
Abstract
A lubricating oil composition having greater than 50 wt % of a base oil and 0.1 wt % to 20 wt %, both based on the total weight of the lubricating oil composition, of a dispersant viscosity modifier obtainable by: wherein X is oxygen, and R is an optionally substituted hydrocarbylene group having from 1 to 20 carbon atoms; and