Lubricating composition to prevent corrosion and/or tribocorrosion of metallic parts in an engine
US12187973B2 · kind B2 · utility
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5References
15Claims
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Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Dec 10, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.