Lubricating oil composition
US8299005B2 · kind B2 · utility
3Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2007 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Sep 3, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating composition is provided that has good elastomer compatibility and friction-reduced properties which comprises a base oil having a viscosity index (VI) greater than about 80, a kinematic viscosity (Kv) at 100° C. of from about 2 mm2/s to about 50 mm2/s, containing 90 wt % or more saturates, having less than about 5 ppm sulfur, and wherein the base oil is derived from a waxy feed; said composition being free of a tallow diaminepropane dioleate; and containing a minor amount of (a) a polylester of an aliphatic carboxylic acid having 12 to 24 carbon atoms and (b) an oil soluble or oil dispersible molybdenum compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.