Low ash lubricant composition
US5259967A · kind A · utility
12Cited by
11References
44Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 17, 1992 |
| Grant date | Nov 9, 1993 |
| Priority date | — |
| Expiry date | Jun 17, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition providing less than 1% sulfated ash comprises an additive package of a carboxylic dispersant, a rust inhibiting mixture, a hydrocarbyl substituted phenol prepared without sulfur or chlorine, and a neutralized acid or phenol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.