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:
Aug. 24, 2010
Filed:
Feb. 25, 2005
Toru Tsukagoshi, Funabashi, JP;
Takayuki Nagatsuka, Funabashi, JP;
Tomoyuki Matsuda, Minamisaitama-gun, JP;
Norio Hashimoto, Minamisaitama-gun, JP;
Toru Tsukagoshi, Funabashi, JP;
Takayuki Nagatsuka, Funabashi, JP;
Tomoyuki Matsuda, Minamisaitama-gun, JP;
Norio Hashimoto, Minamisaitama-gun, JP;
Nissan Chemical Industries, Ltd., Tokyo, JP;
Abstract
This invention relates to benzopyran compounds of formula (I) wherein X is NR, Y is a bond, SO or SO, Z is Calkyl group or phenyl group, W is hydrogen atom, hydroxy group, Calkoxy group, a halogen atom, Calkyl group or Calkylsulfonylamino group, Rand Rare independently of each other Calkyl group, Ris hydrogen atom, hydroxy group or methoxy group, m is an integer of 0 to 4, n is an integer of 0 to 4, V is a single bond, CRR, NR, O, S, SO or SO, Ris hydrogen atom or Calkyl group, Ris hydrogen atom, Calkyl group, Ccycloalkyl group, Ccycloalkenyl group, Caryl group or Cheteroaryl group. These compounds are useful as an anti-arrhythmic agent.