Alkali and alkaline earth thiadiazole additives and lubricating compositions containing the same
US8906835B2 · kind B2 · utility
0Cited by
6References
17Claims
0Family size
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Key dates
| Filing date | May 8, 2012 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Jul 19, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An extreme pressure additive composition for use in grease contains alkaline earth metal derivatives of 2,5-dimercapto-1,3,4-thiadiazole (DMTD) complexed to alkylene glycol fluids and or PAG fluids. In addition, additives for extreme pressure and antiwear contain a complex of alkali and/or alkaline earth metal derivatives of DMTD with alkylene glycol fluids and or PAG fluids, in combination with an organophosphorus compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.