Patent · US Expired

Dehydrohalogenation of 3,4-dichloro-1-butene

US3981937A · kind A · utility

10Cited by
3References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1970
Grant dateSep 21, 1976
Priority date
Expiry dateFeb 13, 1990

Classification

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

Abstract

Dichlorobutene is treated with aqueous inorganic alkali in the presence of a catalytic amount of a quaternary ammonium compound catalyst to dehydrochlorinate the dichlorobutene and directly form chloroprene.

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