Patent · US Expired

3-Vinyl-7.beta.-(2,2-disubstituted acetamido)-cephalosporins

US3994884A · kind A · utility

15Cited by
1References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 8, 1974
Grant dateNov 30, 1976
Priority date
Expiry dateFeb 8, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/65613
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention is concerned with .DELTA..sup.3 -4-carboxy cephalosporin antibiotics possessing a 3-vinyl group and having 2,2-disubstituted acetamido group at the 7-position.

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