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:
Jul. 26, 1994
Filed:
Nov. 02, 1992
Tsutomu Katakami, Mobara, JP;
Tatsuro Yokoyama, Mobara, JP;
Michihiko Miyamoto, Mobara, JP;
Haruki Mori, Mobara, JP;
Nobuya Kawauchi, Mobara, JP;
Tadahito Nobori, Mobara, JP;
Joji Kamiya, Mobara, JP;
Masaaki Ishii, Mobara, JP;
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Abstract
Pyrimidinedione derivatives of the formula: ##STR1## wherein R.sup.1 and R.sup.2 is so linked with each other as to make an alkylene chain and thus form a heterocyclic structure, A, R.sup.3, R.sup.4, X.sup.1, X.sup.2 and X.sup.3 are substituents, respectively, and n is 2 or 3 have a basic backbone in which a phenyl group part and a pyrimidinedione part are linked by a structure comprising an alkyl chain and a heterocyclic ring having two nitrogen atoms. These compounds are useful for a medical treatment of cardiac arrhythmias.