Patent · US Expired

Processes for the production of penems

US4530793A · kind A · utility

28Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 1982
Grant dateJul 23, 1985
Priority date
Expiry dateNov 29, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/1804
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Processes for the production of 6-hydroxyethyl-2-substituted thio penem-3-carboxylates are disclosed as well as novel penems.

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