US Patent 7781483 Benzopyran compound

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Patent Jurisdiction

Patent Number

Patent Inventor Names

Toru Tsukagoshi0

Norio Hashimoto0

Takayuki Nagatsuka0

Tomoyuki Matsuda0

Date of Patent

August 24, 2010

Patent Application Number

105902070

Date Filed

February 25, 2005

Patent Primary Examiner

Patent abstract

This invention relates to benzopyran compounds of formula (I)

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