Patent · US Expired

Process for preparing chloroprene

US5672792A · kind A · utility

1Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1994
Grant dateSep 30, 1997
Priority date
Expiry dateSep 19, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C17/25
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for preparing chloroprene by dehydrochlorinating 3,4-dichloro-1-butene in the presence of lime and a polyol, such as a glycol selected from (poly)ethylene glycol and (poly)propylene glycol or sugars, with ethylene glycol being preferred.

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