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:
Jan. 03, 1978
Filed:
Sep. 27, 1976
Applicant:
Inventors:
Pierre Crooij, Genval, BE;
Guy Simonet, Perwez, BE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2602391 ; 544 26 ; 544 27 ; 544 22 ; 544 30 ; 544 16 ;
Abstract
A new process is disclosed for the preparation of alpha-carboxy-alpha-phenyl(or 3-thienyl)penicillin and cephalosporin derivatives. The process comprises reacting a 1.3-dioxane-4.6-dione derivative with the desired penicillanic or cephalosporanic acid derivative.