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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 12435291 B1

PDFFull Text
Date of Patent:
Oct. 07, 2025

Filed:

Jul. 24, 2020

Lubricant composition for gas turbines

Applicant:

Totalengergies Onetech, Courbevoie, FR;

Inventors:

Frédéric Michel, Solaize, FR;

Florence Bredon, Solaize, FR;

Assignee:

TotalEnergies OneTech, Courbevoie, FR;

Attorney:

The Marbury Law Group, PLLC

Primary Examiner:

Ellen M Mcavoy

Int. Cl.
CPC ...
C10M 133/12 (2006.01); C10M 137/02 (2006.01); C10M 169/04 (2006.01); C10N 30/10 (2006.01); C10N 40/00 (2006.01); C10N 40/13 (2006.01);
U.S. Cl.
CPC ...
C10M 133/12 (2013.01); C10M 137/02 (2013.01); C10M 169/04 (2013.01); C10M 2215/065 (2013.01); C10M 2223/049 (2013.01); C10N 2030/10 (2013.01); C10N 2040/13 (2013.01); C10N 2040/135 (2020.05);
Abstract

The present invention relates to a lubricant composition, in particular for a gas or steam turbine, comprising: —at least one base oil; —at least one phenylnaphthylamine (PAN) compound, preferably alkylphenyl-α-naphthylamine (APAN) compound; —at least one diphenylamine (DPA) compound, preferably dialkyl-diphenylamine compound; and —at least one phosphite ester compound, preferably triaryl phosphite ester compound; in which the ratio by weight between said diphenylamine compound(s) and said phosphite ester compound(s) is strictly greater than 1.0.

Find Patent Forward Citations

Michel, Frédéric. (2025). Lubricant composition for gas turbines (U.S. Patent No. 12435291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12435291

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

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