Lubricant composition comprising anti-foam agents
US9309480B2 · kind B2 · utility
1Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2012 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Apr 26, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/252
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The disclosed invention relates to a multigrade lubricant composition which can be used for numerous lubricant applications, but is particularly useful for lubricating a diesel engine. The lubricant composition comprises an oil of lubricating viscosity, a detergent, a dispersant, a viscosity index improver, and a combination of anti-foam agents. The lubricant composition may be used for providing enhanced fuel economy and avoiding air entrainment problems when used in lubricating diesel engines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.