The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 1976
Filed:
Jan. 17, 1974
Applicant:
Inventors:
Edward George Brain, Leigh, Nr. Reigate, EN;
Neal Frederick Osborne, West Croydon, EN;
Assignee:
Beecham Group Limited, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 2602 / ; 2602 / ; 2602 / ; 2603 / ; 2603097 ; 6033 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2605 / ; 424246 ;
Abstract
Antimicrobially active substituted ceph-3-ems, procedure for their preparation and intermediates for use in the procedure are described. These cephalosporins are characterized by having a 2- or 3- pyridyl group attached to the carbon atom of the methylene group in the 3-position by a carbon-carbon bond and not a carbon-nitrogen bond.