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. 09, 1989
Filed:
May. 08, 1987
Applicant:
Inventors:
Alfred P Spada, Ambler, PA (US);
William L Studt, Harleysville, PA (US);
Henry F Campbell, Lansdale, PA (US);
Donald E Kuhla, Doylestown, PA (US);
Assignee:
Rorer Pharmaceutical Corporation, Fort Washington, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
5142305 ; 514211 ; 514254 ; 514302 ; 540490 ; 540494 ; 544 91 ; 544105 ; 544238 ; 546116 ;
Abstract
This invention relates to substituted pyridooxazinone pyridazinone and pyrazolone compounds, which are useful as cardiotonic agents for the treatment of congestive heart failure. This invention also relates to methods for increasing cardiac contractility using said compounds, and pharmaceutical compositions including said compound.