Lubricating oil containing ashless non-phosphorus additive
US5076945A · kind A · utility
8Cited by
1References
9Claims
0Family size
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Inventors
Key dates
| Filing date | Sep 14, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Sep 14, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2219/066
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition having improved antiwear, antioxidation, and extreme pressure performance comprises a lubricating oil and a long chain hydrocarbyl amine, such as tallow amine, salt or amide of a derivative of benzoic acid or dithiobenzoic acid such as 4-hydroxy-3, 5-di-tert-butyldithiobenzoic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.