Compound comprising polyamine, acidic and boron functionalities and its use as a lubricant additive
US11987764B2 · kind B2 · utility
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3References
20Claims
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Key dates
| Filing date | Nov 5, 2020 |
| Grant date | May 21, 2024 |
| Priority date | — |
| Expiry date | Jan 10, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A product resulting from the reaction of at least: a hydroxybenzoic acid, optionally substituted by a hydrocarbyl group, or an alkali and/or alkaline earth metal salt thereof, a boron compound, a polyalkylamine component selected from triamine and tetramine compounds. Also, a lubricant composition including this product. Use of this product as a lubricant for two-stroke marine engines and four-stroke marine engines, more preferably two-stroke marine engines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.