Reduced ash content lubricants
US5026493A · kind A · utility
2Cited by
12References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1990 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Jun 11, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A reduced metal content lubricant contains the reaction product of a phosphosulfurized polyalkene and an amine, a polyalkene substituted phenol, and, optionally, a polyalkene sulfonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.