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. 19, 1992
Filed:
Nov. 27, 1990
Applicant:
Inventors:
Tsutomu Katakami, Mobara, JP;
Tatsuro Yokoyama, Mobara, JP;
Haruki Mori, Mobara, JP;
Nobuya Kawauchi, Mobara, JP;
Joji Kamiya, Mobara, JP;
Masaaki Ishii, Mobara, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ;
U.S. Cl.
CPC ...
514253 ; 544295 ; 544310 ;
Abstract
A pyrimidinedione derivative compound has a basic backbone in which a 4-oxobenzopyran ring group part and a pyrimidinedione part are linked by a structure comprising an alkyl chain containing at least two nitrogen atoms and one oxygen. The pyrimidinedione derivative is useful for a medical treatment of cardiac arrhythmias.