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:
May. 11, 1976
Filed:
Jul. 17, 1974
Applicant:
Inventors:
Helmut Biere, Berlin, DT;
Hanns Ahrens, Berlin, DT;
Clemens Rufer, Berlin, DT;
Eberhard Schroder, Berlin, DT;
Henning Koch, Berlin, DT;
Assignee:
Schering Aktiengesellschaft, Berlin & Bergkamen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2603 / ; 260315 ; 424248 ; 424269 ; 424274 ;
Abstract
Carbazoles of the formula ##SPC1## 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,