Amine compatibility aids in lubricating oil compositions
US4915857A · kind A · utility
15Cited by
19References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1987 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | May 11, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention is to lubricating or fuel oil compositions containing amine compatibility aids. The amine compatibility additives are especially useful in stabilizing (or "compatibilizing") concentrates, lubricating oil or fuel oil compositions which contain copper antioxidants, high molecular weight dispersants, high total base number detergents, and various antiwear friction modifier materials. These materials may, in some circumstances, replace at least a portion of previously used compatibility aids and antioxidants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.