Transmission oil composition for automobile
US7307048B2 · kind B2 · utility
3Cited by
6References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 28, 2002 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Oct 6, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A transmission oil composition for an automobile characterized in that it contains a base oil selected from the group consisting of a mineral oil, a synthetic oil and mixtures thereof; and a phosphate compound selected from the group consisting of (A) a zinc dithiophosphate having a hydrocarbon group, (B) a triaryl phosphate (C) a triaryl thiophosphate, and mixtures thereof at 0.1 to 15.0% by mass with respect to the total composition; wherein the composition has a volume resistivity of 1×107 ohm·m or more at 80° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.