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:
Feb. 09, 1999
Filed:
May. 16, 1996
Applicant:
Inventors:
Michael Arlt, Seeheim, DE;
Rochus Jonas, Darmstadt, DE;
Maria Christadler, Rodermark, DE;
Gunter Schneider, Gross Bieberau, DE;
Michael Klockow, Rossdorf, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514404 ; 5483641 ; 5483701 ;
Abstract
5-Pyrazolinone derivatives of the general formula I: ##STR1## in which the R.sup.1 -R.sup.3 variables are as defined herein and the physiologically acceptable salts thereof; processes for the preparation of these compounds, and in particular their use as selective inhibitors of cGMP-specific phosphodiesterase (cGMP PDE), thus as pharmaceutically active compounds.