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:
Apr. 20, 1976
Filed:
Jul. 25, 1974
Hisao Tobiki, Toyonaka, JA;
Kozo Shimago, Takarazuka, JA;
Shigeru Okano, Ibaragi, JA;
Toshiaki Komatsu, Takarazuka, JA;
Toyozo Katsura, Takarazuka, JA;
Yasushi Taira, Minoo, JA;
Yasuko Eda, Toyonaka, JA;
Abstract
A penicillin of the formula: ##SPC1## Wherein A is a substituted or unsubstituted condensed aromatic carbocyclic or heterocyclic ring, R is hydrogen or lower alkyl, X is oxygen or sulfur, Y is hydrogen, lower alkyl, lower alkanoyl or lower alkoxycarbonyl and Z is phenyl or thienyl which can be produced by reacting 6-aminopenicillanic acid or its ester with a carboxylic acid of the formula: ##SPC2## Wherein A, R, X, Y and Z are each as defined above or its reactive derivative. The said penicillin and its non-toxic salts have a broad antimicrobial spectrum against various gram-positive and gram-negative bacteria, and they exhibit characteristically a strong antimicrobial activity against Pseudomonas.