Patent · US Expired

Process for the production of thiotetronic acid

US4997957A · kind A · utility

3Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 1987
Grant dateMar 5, 1991
Priority date
Expiry dateJul 23, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/32
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for the production of thiotetronic acid wherein 4-chloroacetoacetic acid chloride is reacted with hydrogen sulfide in the presence of an amine.

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