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:
Apr. 30, 1991
Filed:
Feb. 07, 1990
Applicant:
Inventors:
Norton P Peet, Cincinnati, OH (US);
Shyam Sunder, Indianapolis, IN (US);
Assignee:
Merrell Dow Pharmaceuticals Inc., Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ;
U.S. Cl.
CPC ...
514212 ; 5142332 ; 514248 ; 540599 ; 544118 ; 544234 ; 424 45 ;
Abstract
This invention is directed to a group of compounds which are acyl derivatives of amino substituted triazolopyridazines. They are prepared by the reaction of an aminotriazolopyridazine or an aminotriazolophthalazine with an appropriate acid chloride. These compounds possess bronchodilating and antiallergenic activity.