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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.:

US 12187973 B1

PDFFull Text
Date of Patent:
Jan. 07, 2025

Filed:

Dec. 10, 2021

Lubricating composition to prevent corrosion and/or tribocorrosion of metallic parts in an engine

Applicant:

Totalenergies Onetech, Courbevoie, FR;

Inventors:

Modestino De Feo, Solaize, FR;

Stephen Derek Rodgers, Durham, GB;

Assignee:

TOTALENERGIES ONETECH, Courbevoie, FR;

Attorney:

Oliff PLC

Primary Examiner:

Ellen M Mcavoy

Int. Cl.
CPC ...
C10M 137/04 (2006.01); C10M 101/02 (2006.01); C10M 169/04 (2006.01); C10N 30/04 (2006.01); C10N 30/12 (2006.01); C10N 40/26 (2006.01);
U.S. Cl.
CPC ...
C10M 137/04 (2013.01); C10M 101/02 (2013.01); C10M 169/04 (2013.01); C10M 2223/04 (2013.01); C10N 2030/04 (2013.01); C10N 2030/12 (2013.01); C10N 2040/26 (2013.01);
Abstract

A lubricant composition including: from 70 to 99.99% of at least one base oil and from 0.01 to 30% of at least one alcohol ethoxylated phosphate ester compound of formula (I): wherein R is a linear or branched alkyl group having from 10 to 14 carbon atoms, m is an integer from 1 to 3, preferably from 1 to 2, n is an integer superior or equal to 6. Also, the use of the compound of formula (I) to prevent and/or reduce and/or limit and/or delay corrosion and/or tribocorrosion of the metal parts of a combustion engine.

Find Patent Forward Citations

De Feo, Modestino. (2025). Lubricating composition to prevent corrosion and/or tribocorrosion of metallic parts in an engine (U.S. Patent No. 12187973). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12187973

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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