Patent · US Expired

Process for separating acetamidoethylene from crude preparation products

US4401516A · kind A · utility

4Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 24, 1981
Grant dateAug 30, 1983
Priority date
Expiry dateNov 24, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C233/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Acetamidoethylene is isolated from acetamidoethylene-containing mixtures by distillation with enhanced efficiency when a high-boiling liquid, especially glycerol, is added to the mixtures prior to or during said distillation. This invention is particularly effective at separating acetamidoethylene from mixtures additionally containing acetamide, especially preparation products.

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