Patent · US Expired

Cephalosporins

US5621095A · kind A · utility

1Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1996
Grant dateApr 15, 1997
Priority date
Expiry dateJan 31, 2016

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The syn isomer of a compound of the formula ##STR1## in the R or S form or a mixture of R and S forms wherein their non-toxic, pharmaceutically acceptable acid addition salts and having antibacterial activity and their preparation wherein the substituents are defined as in the specification.

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