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:
Nov. 08, 1977
Filed:
May. 06, 1976
Helmut Biere, Berlin, DT;
Hanns Ahrens, Berlin, DT;
Clemens Rufer, Berlin, DT;
Eberhard Schroder, Berlin, DT;
Henning Koch, Berlin, DT;
Schering Aktiengesellschaft, Berlin & Bergkamen, DT;
Abstract
Carbazoles of the formula ##STR1## wherein R.sub.1 is hydroxymethyl, alkanoyloxymethyl, tetrazolyl, cyano, oximinocarbonyl, aminocarbonyl, carboxyl and salts thereof with physiologically acceptable bases and the esters thereof with physiologically acceptable alcohols and amides thereof with physiologically acceptable amines, R.sub.2 through R.sub.6 each are a hydrogen atom, halogen atom, lower alkyl, trifluoromethyl, or lower alkoxy, or R.sub.5 and R.sub.6 collectively are a five- or six-membered isocyclic ring, and R.sub.7 is a hydrocarbon of 3-8 carbon atoms or, when at least one of the R.sub.2 through R.sub.6 is other than a hydrogen atom, a hydrogen atom, methyl or ethyl, And the corresponding compounds wherein R.sub.7 is a hydrogen atom, methyl or ethyl, And the 5,6,7,8-tetrahydrocarbazoles, possess topical anti-inflammatory activity.