Patent · US Expired

Process for preparing technically pure acetic acid by extractive distillation

US3951755A · kind A · utility

13Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1975
Grant dateApr 20, 1976
Priority date—
Expiry dateFeb 18, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/48
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for preparing technically pure acetic acid from water - acetic acid mixtures by extractive distillation with N-methyl acetamide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.