Lubricating oil formulations
US6034040A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1998 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Aug 3, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricating oil compositions having excellent thermal and oxidative stability, wear control, copper corrosion control and compatibility with seal materials comprising a mineral oil having a) a Viscosity Index of greater than 110 and an aniline point of greater than 110.degree. C. and/or b) a linear+single ring paraffin content of greater than 68 wt %, and at least one polymer selected from olefin (co) polymer(s), polyalkyl (meth) acrylate(s) and mixtures thereof. The lubricating oil compositions are particularly useful as manual transmission and axle lubricants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.