Diesel engine oils
US9353327B2 · kind B2 · utility
1Cited by
15References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 2012 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Dec 12, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/252
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil additive composition comprising at least one carboxylate detergent wherein at least one of the carboxylate detergents has a TBN of the actives of greater than about 60 to about 200; at least one polyalkenyl succinimide; a first phenate detergent having a TBN of the actives of greater than about 60 to about 200; and a second phenate detergent having a TBN of the actives of greater than about 200 to about 400.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.