Patent · US Active

Lubricating composition for preventing or reducing pre-ignition in an engine

US11535806B2 · kind B2 · utility

0Cited by
3References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 21, 2020
Grant dateDec 27, 2022
Priority date
Expiry dateFeb 21, 2040

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/255
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

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).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.