Patent · US Expired

Controlling product stream oxygen content in process for the production of vinyl acetate

US6258978A · kind A · utility

13Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 1999
Grant dateJul 10, 2001
Priority date
Expiry dateNov 5, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C67/055
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

In a process for the production of vinyl acetate by reacting ethylene, acetic acid and an oxygen-containing gas in a reactor to produce a process stream which is removed from the reactor as an outlet stream, the process is improved by maintaining the oxygen concentration of the outlet stream at or near its flammability limit.

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