Patent · US Active

Process for producing Cefepime and cephalosporin analogues

US7479556B2 · kind B2 · utility

1Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 2005
Grant dateJan 20, 2009
Priority date
Expiry dateDec 7, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D501/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for producing Cefepime, Cefpirome and Cefquinome, whereby a cephalosporin containing a quaternary ammonium group is reacted with thiourea to provide the aforesaid cephalosporins.

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