Anti-fretting additive for grease comprising the reaction product of an alkenyl succinic anhydride and an alkanolamine
US4505832A · kind A · utility
6Cited by
4References
12Claims
0Family size
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Inventors
Key dates
| Filing date | Sep 6, 1983 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Sep 6, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2010/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided are polyurea and lithium complex grease compositions whose anti-fretting properties are improved by the addition of an anti-fretting additive which comprises the reaction product of an alkenyl succinic acid or anhydride having the structural unit represented by the following formula: ##STR1## in which R is an alkenyl of 10 to 35 carbon atoms, and an alkanolamine which is represented by the following formula: EQU H.sub.2 N(CH.sub.2).sub.n OH in which n is an integer from 2 to 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.