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. 09, 2006
Filed:
Jun. 17, 2002
Yoshio Ohara, Funabashi, JP;
Kazuhiko Ohrai, Funabashi, JP;
Kazufumi Yanagihara, Funabashi, JP;
Yukihiro Shigeta, Funabashi, JP;
Toru Tsukagoshi, Funabashi, JP;
Toru Yamashita, Minamisaitama-gun, JP;
Yoshio Ohara, Funabashi, JP;
Kazuhiko Ohrai, Funabashi, JP;
Kazufumi Yanagihara, Funabashi, JP;
Yukihiro Shigeta, Funabashi, JP;
Toru Tsukagoshi, Funabashi, JP;
Toru Yamashita, Minamisaitama-gun, JP;
Nissan Chemical Industries, Ltd., Tokyo, JP;
Abstract
This invention relates to benzopyran derivatives of the formula (1) or the formula (2) wherein Rand Rrepresent independently of each other hydrogen atom or Calkyl group, Rrepresents hydroxyl group or Calkylcarbonyloxy group, Rrepresents hydrogen atom or Calkyl group, Rrepresents Calkyl group substituted with Caryl group or heteroaryl group, Rrepresents Calkyl group, Calkoxy group, halogen atom, nitro group, C(O)NH, C(O)NHRor C(O)NRR, or pharmaceutically acceptable salts thereof. These compounds are useful as an antiarrhythmic agent