Lubricant additive
US4065499A · kind A · utility
0Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1975 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | Sep 15, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
High molecular weight N-hydrocarbyl-substituted quaternary ammonium salts in which the hydrocarbyl group has a molecular weight of from about 350-3000 such as a polybutene ammonium chloride are effective detergents and dispersants for gasoline and lubricating oils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.