Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 15, 2007
Patent Application Number
11515911
Date Filed
September 6, 2006
Patent Primary Examiner
Patent abstract
A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with halogenating agent.
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