Process of purifying dihydrocarbylchlorothiophosphates
US6018067A · kind A · utility
0Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1999 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Feb 12, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Crude dihydrocarbylchlorothiophosphate product contaminated with dihydrocarbylpolysulfide and/or dihydrocarbylchlorophosphate is upgraded by treating the crude product with an aqueous hypochlorite solution, and separating an aqueous phase from the organic, then drying to obtain the resultant product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.