Sulfurized Mannich condensation products and lubricants containing same
US4161475A · kind A · utility
11Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1977 |
| Grant date | Jul 17, 1979 |
| Priority date | — |
| Expiry date | Sep 19, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Sulfurized Mannich condensation products, made from phenolic compounds, aldehydes and amines, which have been further treated with elemental sulfur are improved additives for lubricants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.