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. 04, 1990
Filed:
Sep. 21, 1988
Applicant:
Inventors:
Rolf Herter, Schwabach, DE;
Peter Morsdorf, Langenzenn, DE;
Volker Pfahlert, Nuremberg, DE;
Heidrun Engler, Cadolzburg, DE;
Helmut Schickaneder, Eckental, DE;
Kurt-Henning Ahrens, Nuremberg, DE;
Assignee:
Heumann Pharma GmbH & Co., Nuremberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514252 ; 514247 ; 540575 ; 544114 ; 544238 ; 544239 ;
Abstract
New 6-phenyldihydro-3(2H)-pyridazinones corresponding to the following general formula ##STR1## are described. These compounds are readily prepared in a form suitable for oral administration and are distinguished by a high positive inotropic action and have only a slight effect on blood pressure and cardiac frequency. A process for their preparation and pharmaceutical preparations containing these compounds are also described.