Universal driveline fluid
US5403501A · kind A · utility
24Cited by
21References
67Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 20, 1994 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Jun 20, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/046
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to lubricating compositions comprising: PA1 (A) a major amount of an oil of lubricating viscosity; PA1 (B) at least one borated overbased Group I or II metal salt of an organic acid; PA1 (C) at least one polysulfide-containing organic composition; and PA1 (D) at least one phosphorus-containing composition other than a zinc dithiophosphate. Lubricating compositions of the present invention have beneficial viscosity and friction characteristics required by a manual transmission as well as beneficial extreme pressure protection required for a gear assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.