Additives for lubricating oils, their process of preparation and lubricating compositions containing them
US4834892A · kind A · utility
3Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1988 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Jun 20, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M133/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to additives for lubricating oils having an antirust and antiwear effect, their process of preparation and the lubricating compositions containing the said additives, these additives consisting in a microdispersion in the oil of the metallic salts of amino-acids, wherein the dicarboxylic amino-acids and their derivatives are advantageously used and wherein the salts are generally formed with metals from Groups I and II of the Periodic Classification of Elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.