Patent · US Expired

Cephalosporin derivatives

US5804577A · kind A · utility

11Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 1996
Grant dateSep 8, 1998
Priority date
Expiry dateAug 27, 2016

Classification

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

Abstract

The present invention relates to compounds of formula I ##STR1## wherein R.sup.1 is a group selected from 2-, 3-, and 4-hydroxyphenyl, 3-nitrophenyl, and 3-fluoro-4-hydroxyphenyl; as well as readily hydroyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts.

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