Lubricant additive compositions containing thiophosphates and thiophosphate derivatives
US9518242B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2016 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | May 24, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines. In one aspect, the invention relates to a lubricant additive composition comprising a compound of formula (I):or a tribologically acceptable salt thereof, and a sulfonate or a phenate detergent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.