Method for the manufacture of dialkyl dithiophosphoric acid and dialkyl phosphorochloridothionate
US4173603A · kind A · utility
1Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1977 |
| Grant date | Nov 6, 1979 |
| Priority date | — |
| Expiry date | Dec 29, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/17
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A continuous process for the manufacture of dialkyl dithiophosphoric acid from phosphorus pentasulfide and a lower alkanol through the use of a settling tube and a continuous process for the manufacture of dialkyl phosphorochloridothionate by chlorinating dialkyl dithiophosphoric acid with chlorine which has been diluted with an inert gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.