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Title:
HEAT-SENSITIVE RECORDING MATERIAL
Document Type and Number:
Japanese Patent JP3763997
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a violet to cyan coloring type diazo heat-sensitive recording material which is excellent in shelf life, image preservation property and image fixing property, and of which the hue is improved.
SOLUTION: In this heat-sensitive recording material wherein on a supporting body, a heat-sensitive recording layer containing a diazonium salt compound and a coupler, is provided, in the heat-sensitive recording layer, a pyrolotriazinone compound represented by a formula is contained as the coupler. In the formula, R1 and R2 each represent a hydrogen atom, an aryl group, an alkyl group, a cyano group, an acyl group, a substituted carbamoyl group, an alkoxy carbonyl group, an aryloxy carbonyl group, a substituted amino group, an alkyl sulfonyl group, an aryl sulfonyl group, or a substituted sulfamoyl group, and R3 represents a hydrogen atom, a halogen atom, an aryl group, an alkyl group, an acyl group, an alkoxy carbonyl group, a substituted amino group, a hydroxy group, an alkoxy group, an aryloxy group, a mercapto group, an alkylthio group or an arylthio group.


Inventors:
Naoto Yanagihara
Masanobu Takashima
Tetsunori Matsushita
Masatoshi Yumoto
Yasuhiro Mitamura
Mitsuyuki Tsurumi
Application Number:
JP13237899A
Publication Date:
April 05, 2006
Filing Date:
May 13, 1999
Export Citation:
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Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
B41M5/323; B41M5/28; B41M5/30; C09B29/36; C09B57/00; (IPC1-7): B41M5/30; B41M5/28; C09B29/36; C09B57/00
Domestic Patent References:
JP10226176A
JP4350842A
JP9302248A
JP8122994A
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda



 
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