Patent · US Expired

Cephalosporins

US5883248A · kind A · utility

1Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1997
Grant dateMar 16, 1999
Priority date
Expiry dateJul 30, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel intermediates of the formula ##STR1## wherein the substituents are defined in the specification.

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