Near infrared absorber, preparation process therefor and use thereof
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Dec 18, 1995
filing date -
Dec 21, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A phthalocyanine near infrared absorber having a broad absorption range in the near infrared region and represented by the following formula (1): ##STR1## wherein each of the groups is defined.
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