Process for the purification of dialkylphosphorochloridothioates
US4247490A · kind A · utility
3Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1979 |
| Grant date | Jan 27, 1981 |
| Priority date | — |
| Expiry date | Sep 10, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/025
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for purification of dialkyl phosphorochloridothioate by contacting a crude material containing oxygenated phosphorus compound impurities with an alcohol and separating the product dialkyl phosphorochloridothioate from the reaction product, for example, by distillation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.