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. 20, 1977
Filed:
Apr. 12, 1976
Herbert Berger, Mannheim-Kafertal, DT;
Alfred Rhomberg, Mannheim-Neuostheim, DT;
Kurt Stach, Mannheim-Waldhof, DT;
Wolfgang Vomel, Mannheim, DT;
Winfriede Sauer, Mannheim-Wallstadt, DT;
Boehringer Mannheim G.m.b.H., Mannheim, DT;
Abstract
Cycloalkano-quinolone derivatives having anti-microbial activity characterized by the formula: ##STR1## wherein one of R.sub.1 and R.sub.2 designates hydrogen, halogen, nitro, amino, hydroxyl, acylamino, acyloxy, alkoxy or aryloxy and the other taken together with R.sub.3 forms an alkylene bridge containing 2 to 6 carbon atoms, X is hydrogen, lower alkyl, which may be substituted by a member of the group consisting of halogen, hydroxyl, acyloxy, alkoxy, aryloxy, aralkyloxy, mercapto, alkylmercapto, arylmercapto, arylsulfonyl, and alkylsulfonyl, or X is unsubstituted alkenyl including alkadienyl, or alkynyl and Y is hydroxyl, amino or lower alkoxy, and the pharmaceutically acceptable salts thereof.