Pyrrolidine-2,5-dione derivatives for use in friction modification
US8853422B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Sep 6, 2013 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Sep 6, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to a compound of the formula I or a tribologically acceptable salt, solvate, hydrate, or proadditive thereof, wherein R1, R2 and R4 are as defined herein. Such novel pyrrolidine, or succinimide, derivatives may be useful as friction modifiers in lubricant compositions. This disclosure also relates to a method of using such friction modifier compounds in lubricating fluid formulations to lubricate machine parts, including gear, axle, engine, and transmission parts, and to lubricant compositions containing such friction modifier compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.