Stabilized diesel engine oil
US5523007A · kind A · utility
21Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1995 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | Feb 23, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2075/027
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricant oil composition comprising a diesel engine lubricating oil and, as antioxidant, a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 are each independently of the other C.sub.1 -C.sub.12 alkyl PA1 and X is ##STR2## or --CH.sub.2 --S--R and R is a straight chain or branched alkyl radical of the formula --C.sub.n H.sub.2n+1, wherein n is an integer from 8 to 22.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.