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:
May. 13, 1980
Filed:
Sep. 18, 1978
Applicant:
Inventors:
Erling Guddal, Skovlunde, DK;
Poul Borrevang, Rodovre, DK;
Assignee:
Novo Industri A/S, , DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602391 ; 544 26 ; 544 23 ; 544 30 ; 2602 / ;
Abstract
A process for the preparation of penam and cephem derivatives by reacting a phosphite amide of a 6-aminopenicillanic acid or 7-aminocephalosporanic acid with an acyl halide in an aprotic solvent in the presence of a phosphite halide scavenger.