Patent · US Expired

7-(3-Substituted ureido) cephalosporins

US3994886A · kind A · utility

2Cited by

1References

5Claims

0Family size

Assignee

Recherche et Industrie, Therapeutiques, RIT · BE

Inventors

Pierre Crooij · Genval, BE
Alain Colinet · La Hulpe, BE

Key dates

Filing date	Jun 3, 1975
Grant date	Nov 30, 1976
Priority date	—
Expiry date	Jun 3, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D501/36
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Cephalosporin compounds with 3-substituted ureido or -thioureido group at position 7 and hydrogen or heterocyclicthiomethyl groups at position 3 are prepared. These compounds are antibacterial agents.

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