Antioxidant, antiwear/extreme pressure additive compositions and lubricating compositions containing the same
US6743759B2 · kind B2 · utility
12Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2002 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Nov 19, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to improved antioxidant antiwear/extreme pressure compositions consisting of (a) methylenebis(di-n-butyldithiocarbamate) and (b) a diphenylamine derivative of tolutriazole or benzotriazole wherein the (a):(b) mass precent ratio ranges from above about 4:1 to about 50:1 and lubricating compositions containing same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.