Patent · US Active

DMF distillation

US10787415B2 · kind B2 · utility

0Cited by
2References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 2018
Grant dateSep 29, 2020
Priority date—
Expiry dateDec 7, 2038

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.