Automotive white-oil based lubricant composition
US5736490A · kind A · utility
4Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1996 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Apr 24, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An automotive lubricant composition comprises a white oil basestock and at least one polyisoalkylene compound. The polyisoalkylene, e.g. polyisobutylene, acts as an antioxidant. The lubricant is used, for example, as an engine oil, gear oil or automatic transmission fluid. The lubricant may contain one or more additional antioxidants and other lubricant additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.