Title:
CYANINE COMPOUND AND NEAR-INFRARED ABSORBING COMPOSITION CONTAINING THE SAME
Document Type and Number:
Japanese Patent JP2009108267
Kind Code:
A
Abstract:
To provide a practical near-infrared absorbing composition which contains a cyanine compound and is excellent in absorption and heat fastness.
The near-infrared absorbing composition contains a cyanine compound represented by the general formula (1), wherein Z1 and Z2 each independently represent a nonmetallic atom group which forms a 5-membered or 6-membered nitrogenous hetero ring which may be condensed; R1 and R2 each independently represent an aliphatic group or aromatic group; L1 represents a methine chain consisting of 7 methines with morpholino group being substituted; a and b each independently represent 0 or 1, wherein one or more anionic groups are contained in the molecule.
Inventors:
Harada, Toru
Aida, Shunichi
Aida, Shunichi
Application Number:
JP2007000284413
Publication Date:
May 21, 2009
Filing Date:
October 31, 2007
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
C09K3/00; C07D209/14; C07D209/60; C07D277/28; C09B23/00; G02B5/22
