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:
Mar. 01, 1977
Filed:
Jan. 18, 1973
Applicant:
Inventors:
Herbert Koppe, Ingelheim am Rhein, DT;
Karl Zeile, Ingelheim am Rhein, DT;
Werner Kummer, Ingelheim am Rhein, DT;
Helmut Stahle, Ingelheim am Rhein, DT;
Albrecht Engelhardt, Mainz (Rhine), DT;
Assignee:
Boehringer Ingelheim GmbH, Ingelheim am Rhein, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ;
U.S. Cl.
CPC ...
260253 ; 2603 / ; 26050117 ; 26050119 ; 2605707 ; 2606 / ; 424253 ; 424316 ; 424330 ;
Abstract
Compounds of the formula ##STR1## wherein R is secondary butyl or tertiary butyl, and their non-toxic, pharmacologically acceptable acid addition salts; the compounds as well as their salts are useful as .beta.-adrenergic receptor blocking agents and hypotensives.