Dioxime and hydroxy benzoic acid metal salt antioxidants for lithium soap grease compositions
US4176075A · kind A · utility
7Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1978 |
| Grant date | Nov 27, 1979 |
| Priority date | — |
| Expiry date | Sep 13, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2010/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A high temperature grease composition with excellent oxidation stability comprises a major proportion of a lubricating oil, a thickener system which includes a lithium soap of a C.sub.12 to C.sub.24 hydroxy fatty acid and an antioxidant system which comprises an alkali metal salt of hydroxy benzoic acid and a selected dioxime compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.