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:
Oct. 24, 1989
Filed:
Apr. 08, 1988
Gerhard Franckowiak, Wuppertal, DE;
Michael Kayser, Leverkusen, DE;
Matthias Schramm, Cologne, DE;
Gunther Thomas, Arese, IT;
Rainer Gross, Wuppertal, DE;
elisabeth Perzborn, Wuppertal, DE;
Friedel Seuter, Wuppertal, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
For the treatment of circulation disorders, the novel 5-nitro-1,4-dihydropyridines of the formula ##STR1## in which R represents C.sub.6 -C.sub.14 -aryl which can be mono- to pentasubstituted by identical or different substituents from the series comprising halogen, nitro, cyano, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkylthio, trifluoromethyl, trifluoromethoxy, difluoromethoxy, trifluoromethylthio and benzyl, benzyloxy or benzylthio optionally substituted by nitro, cyano, trifluoromethyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, or