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:
Mar. 29, 1988
Filed:
Jan. 27, 1987
Applicant:
Inventors:
Michael E Le Tourneau, Indianapolis, IN (US);
Norton P Peet, Indianapolis, IN (US);
Assignee:
Merrell Dow Pharmaceuticals Inc., Cincinnati, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514407 ; 548370 ;
Abstract
The present invention is directed to a group of compounds which are variously methylated thiopyranodipyrazoles and to the S-oxides and S-dioxides of such compounds. The compounds are useful as bronchodilators and are prepared by the reaction of appropriately 5-substituted thiopyrano[3,4-c]pyrazol-4-(1H)-one with a hydrazine.