NEAR INFRARED RAY-ABSORBABLE DYE COMPOSITION, AND NEAR INFRARED RAY-ABSORBABLE FILTER AND ADHESIVE AGENT BOTH COMPRISING THE COMPOSITION
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United States of America Patent
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Issued Date -
Jan 28, 2010
app pub date -
Oct 22, 2007
filing date -
Oct 27, 2006
priority date (Note) -
Abandoned
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Abstract
It is an object to provide a near infrared light absorbable dye composition which absorbs near infrared light efficiently, has a high visible light transmittance, is excellent in light resistance, heat resistance and wet heat resistance, is hardly deteriorated in durability even when blended so as to have an absorption in a wide range of 800 to 1100 nm, and requires a low cost for synthesis and isolation thereof upon production, and provide a near infrared light absorbable filter containing the same. Provided is the near infrared light absorbable dye composition containing compounds represented by the following formulae (1), (2) and (3):in the general formula (2), respectively.
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