(3-Thioxo-1,2-dithiol-4-yl) substituted triaryl phosphates and thiophosphates
US3968123A · kind A · utility
6Cited by
5References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1974 |
| Grant date | Jul 6, 1976 |
| Priority date | — |
| Expiry date | Jun 17, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2010/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel (3-thioxo-1,2-dithiol-4-yl)substituted triaylphosphates and thiophosphates are used as additives for lubricating oils. The are prepared by reacting corresponding phosphoryl chlorides with 4-(hydroxy-aryl)-1,2-dithiole-3-thiones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.