DMF distillation
US10179760B2 · kind B2 · utility
1Cited by
23References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2016 |
| Grant date | Jan 15, 2019 |
| Priority date | — |
| Expiry date | Apr 14, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D3/4205
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of obtaining purified DMF from a mixture comprising DMF and hydrogen chloride (HCl) involving distillation is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.