Patent · US Expired

Methylene penam and derivatives thereof

US4801704A · kind A · utility

3Cited by
7References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1988
Grant dateJan 31, 1989
Priority date
Expiry dateMay 16, 2008

Classification

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

Abstract

There are presented compounds of the formula ##STR1## wherein R.sub.2, R.sub.3, R.sub.4 and m are as described herein.

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