Compounds useful as detergent additives for lubricants and lubricating compositions
US5021174A · kind A · utility
1Cited by
5References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 8, 1990 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Feb 8, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2010/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The alkali-metal and alkaline-earth-metal salts are disclosed of a monoester of a bicarboxy acid having the formula: ##STR1## wherein R is alkyl, R.sup.1 is either hydrogen or alkyl, R.sup.2 is alkyl and A is nothing or alkylene, and the corresponding hyperbasic derivatives, useful as detergent additives for lubricants. Also the lubricating compositions containing such additives are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.