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.

Date of Patent:
Nov. 15, 2022

Filed:

Oct. 23, 2017
Applicants:

Total Marketing Services, Puteaux, FR;

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Nicolas Champagne, Caluire, FR;

Nadjet Khelidj, Zurich, CH;

Assignees:

TOTAL MARKETING SERVICES, Puteaux, FR;

DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 145/34 (2006.01); C10M 111/04 (2006.01); C10N 20/02 (2006.01); C10N 20/04 (2006.01); C10N 30/02 (2006.01); C10N 30/06 (2006.01); C10N 30/08 (2006.01); C10N 30/10 (2006.01); C10N 30/00 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 145/34 (2013.01); C10M 111/04 (2013.01); C10M 2209/106 (2013.01); C10M 2209/1065 (2013.01); C10N 2020/02 (2013.01); C10N 2020/04 (2013.01); C10N 2030/02 (2013.01); C10N 2030/06 (2013.01); C10N 2030/08 (2013.01); C10N 2030/10 (2013.01); C10N 2030/54 (2020.05); C10N 2030/68 (2020.05); C10N 2040/04 (2013.01);
Abstract

Disclosed is a lubricant composition including: at least one base oil; at least one polyalkylene glycol with at least 50% by weight of butylene oxide units and having a kinematic viscosity, measured at 100° C. according to standard ASTM D445 (2015), which is greater than or equal to 50 mm2/s, a kinematic viscosity, measured at 40° C. according to standard ASTM D445 (2015), which is greater than or equal to 1000 mm2/s and a Viscosity Index, measured according to standard ASTM D2270 (2012), which is greater than or equal to 180. Also disclosed is the use of such a composition for transmission or gear lubrication.


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