Title:
HETEROCYCLIC COMPOUND AND COLORING COMPOSITION
Document Type and Number:
Japanese Patent JP2009242300
Kind Code:
A
Abstract:
To provide a heterocyclic compound which has a good hue and is free of a heavy metal and a coloring composition containing the heterocyclic compound.
Into a coloring composition, a medium and a heterocyclic compound having a maximum absorption wavelength in the range of 430-700 nm represented by formula (1) (wherein R1, R2, R3, R4, A1 and A2 are each hydrogen or a monovalent substituent, provided that R3 and R4 are not linked with each other to form a ring; and X1 and X2 are each a hetero atom) are incorporated.
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Inventors:
HANAKI NAOYUKI
NAKAMURA TOMOAKI
NAKAMURA TOMOAKI
Application Number:
JP2008090995A
Publication Date:
October 22, 2009
Filing Date:
March 31, 2008
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
C07D339/06; C09B23/00
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda