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:
Dec. 27, 2022
Filed:
Feb. 21, 2020
Applicant:
Total Marketing Services, Puteaux, FR;
Inventor:
Nicolas Obrecht, Sainte Foy lès Lyon, FR;
Assignee:
Total Marketing Services, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 129/20 (2006.01); C10M 133/20 (2006.01); C10M 133/42 (2006.01); C10M 169/06 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 129/20 (2013.01); C10M 133/20 (2013.01); C10M 133/42 (2013.01); C10M 169/06 (2013.01); C10M 2207/044 (2013.01); C10M 2215/102 (2013.01); C10M 2215/222 (2013.01); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05);
Abstract
The present invention relates to a lubricating composition for an engine, in particular for a motor vehicle engine, comprising at least one base oil and at least one compound able to release formaldehyde under the temperature and pressure conditions of the combustion chamber of the engine. It also relates to the use, in a lubricating composition intended for an engine, of a compound able to release formaldehyde under the temperature and pressure conditions of the combustion chamber of the engine, as an additive for preventing and/or reducing pre-ignition, in particular low-speed pre-ignition (LSPI).