Patent · US Expired

Amine catalyzed reaction in the production of thiophosphoryl chloride

US5464600A · kind A · utility

5Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1994
Grant dateNov 7, 1995
Priority date—
Expiry dateDec 27, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B25/14
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Disclosed herein is an improved process for preparing a thiophosphoryl chloride comprising reacting sulfur with a phosphorous trichloride, the improvement comprising a catalytic amount of a tertiary amine catalyst.

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