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. 21, 1989
Filed:
Jul. 22, 1987
William C Faith, Ambler, PA (US);
Henry F Campbell, Lansdale, PA (US);
Donald E Kuhla, Doylestown, PA (US);
William L Studt, Harleysville, PA (US);
James L Barnes, Glenside, PA (US);
Rorer Pharmaceutical Corporation, Fort Washington, PA (US);
Abstract
This invention relates to imidazolylphenyl and 1,2,4-triazolylphenyl benzopyridazinone and pyridopyridazinone compounds of the formula ##STR1## wherein A is CH or N and not more than one of W, X, Y and Z is a N atom which possess valuable pharmaceutical preparations, e.g., increasing cardiotonic contractility. Uses of said compounds including methods for increasing cardiac contractility and in the treatment of congestive heart failure, pharmaceutical compositions including the same and methods for the preparation thereof.