Title:
NEAR-INFRARED-RAY ABSORBING MATERIAL CONTAINING CYANINE COMPOUND, AND CYANINE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2010/073857
Kind Code:
A1
Abstract:
A near-infrared-ray absorbing material which contains a cyanine compound represented by general formula (I), shows a narrow peak of light absorption in the range of wavelengths of 800-1,000 nm, and has excellent light resistance. In formula (I), R1 to R4, Y1, and Y2 each represents a hydrogen atom, a group of formula (II) or (II’), etc., and Anq- represents a q-valent anion, provided that at least R1 is a group of formula (II) or (II’) or Anq- is an ion of formula (III); R11 to R13 each represents a hydrogen atom, hydroxy, etc.; and Z1 and Z2 each represents a C1-10 alkyl, etc. In formula (II’), the bond between G’ and T’ is a double bond or a conjugated double bond; G’ represents a carbon atom; T’ represents a carbon atom or a nitrogen atom; the ring including G’ and T’ represents a 6-membered ring, etc.; w’ is 0-4; and R01’ represents a hydrogen atom, hydroxy, etc. In formula (III), R5 and R6 each represents a C1-8 haloalkyl.
Inventors:
MAEDA YOSUKE (JP)
OTSUKI RYOYA (JP)
SHIGENO KOICHI (JP)
OTSUKI RYOYA (JP)
SHIGENO KOICHI (JP)
Application Number:
PCT/JP2009/069574
Publication Date:
July 01, 2010
Filing Date:
November 18, 2009
Export Citation:
Assignee:
ADEKA CORP (JP)
MAEDA YOSUKE (JP)
OTSUKI RYOYA (JP)
SHIGENO KOICHI (JP)
MAEDA YOSUKE (JP)
OTSUKI RYOYA (JP)
SHIGENO KOICHI (JP)
International Classes:
C09B23/00; C07D209/14; C09K3/00; G02B5/22; G09F9/00
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Attorney, Agent or Firm:
HATORI OSAMU (JP)
Osamu Hatori (JP)
Osamu Hatori (JP)
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