Patent · US Expired

Penem derivatives

US4623643A · kind A · utility

6Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 1985
Grant dateNov 18, 1986
Priority date
Expiry dateJun 10, 2005

Classification

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

Abstract

Penem derivatives are disclosed characterized by a substituted pyridiniomethyl group in the 2-position of the penem nucleus. The compounds of the present application exhibit better antibacterial activity than other known penem derivatives.

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