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:
Sep. 09, 1986
Filed:
Mar. 12, 1982
Applicant:
Inventors:
Donald C Boop, Bloomsbury, NJ (US);
Karel F Bernady, Belle Mead, NJ (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
540316 ; 540333 ;
Abstract
Improved process for the preparation of 6-substituted penicillanic acids, in particular 6[D(-)-.alpha.-(4-alkyl-2,3-dioxo-]-piperazinocarbonylamino)phenylacetamid o]penicillanic acids, and the pharmaceutically acceptable salts thereof.