Rock bit grease composition
US7312185B2 · kind B2 · utility
21Cited by
17References
66Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2003 |
| Grant date | Dec 25, 2007 |
| Priority date | — |
| Expiry date | Jul 23, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A grease for rock bit lubrication and other high temperature bearing applications is provided comprising a high viscosity index polyalphaolefin synthetic base fluid in combination with an alkylated naphthalene base fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.