Patent · US Expired

Process for preparing cyanogen chloride and gaseous chlorine

US4100263A · kind A · utility

3Cited by
4References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 8, 1976
Grant dateJul 11, 1978
Priority date
Expiry dateDec 8, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B21/42
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

This invention relates to an improved process for preparing cyanogen chloride by reacting chlorine and hydrogen cyanide in a manganous chloride-containing aqueous medium to form gaseous cyanogen chloride and dissolved hydrogen chloride and to the subsequent conversion of the hydrogen chloride to chlorine employing manganese dioxide and nitric acid as cyclic reagents.

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