Lubricating oil composition
US10160927B2 · kind B2 · utility
3Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2015 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Dec 14, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/252
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricating composition comprising (i) base oil and (ii) a Verkade base compound having the formula (1): wherein R1, R2 and R3 are each independently selected from hydrogen and saturated or unsaturated, straight chain or branched, C1-C22 alkyl groups. The lubricating composition of the present invention exhibits improved base number retention and oxidative stability, particularly in the presence of a biofuel such as fatty acid alkyl ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.