US Patent 7217839 Method of producing near-infrared absorbing dye compound
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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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US Patent 07217839 Method of producing near-infrared absorbing dye compound US Patent 7217839 Method of producing near-infrared absorbing dye compound
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Patent Number
0721783900
Patent Number
721783900
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Patent Jurisdiction
Patent Number
072178390
Date of Patent
May 15, 2007
0Patent Application Number
115159110
Date Filed
September 6, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
072178390
Date of Patent
May 15, 2007
0Patent Application Number
115159110
Date Filed
September 6, 2006
0Official Website
Patent Primary Examiner
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US Patent 07217839 Method of producing near-infrared absorbing dye compound
Infobox
Is a
Patent jurisdiction
Patent number
07217839
Date of patent
May 15, 2007
Patent application number
11515911
Date Filed
September 6, 2006
Patent primary examiner
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