HEAT-SENSITIVE CHROMOGENIC COMPOSITION AND HEAT-SENSITIVE RECORDING MATERIAL FORMED USING SAID COMPOSITION
申请人:Yamamoto Chemicals, Inc.
公开号:EP2617578A1
公开(公告)日:2013-07-24
[Problem to be Solved]
To provide a heat-sensitive recording material having high fastness and a vivid hue.
[Solution]
A heat-sensitive color-developing composition containing a hydroxyquinoline compound having a methyl group and an acid anhydride compound represented by general formula (1):
wherein ring A represents a substituted or unsubstituted aromatic hydrocarbon ring, and n represents an integer of 1 to 3, and a heat-sensitive recording material containing the composition in a recording layer.
Verfahren zur optischen Unterscheidung eines Dentalwerkstoffes sowie Dentalwerkstoff dafür
申请人:IVOCLAR AG
公开号:EP0431452B1
公开(公告)日:1994-10-05
HEAT-SENSITIVE COLOR-DEVELOPING COMPOSITION AND HEAT-SENSITIVE RECORDING MATERIAL COMPRISING THE COMPOSITION
申请人:Yamaguchi Ryoji
公开号:US20130180430A1
公开(公告)日:2013-07-18
[Problem to be Solved]
To provide a heat-sensitive recording material having high fastness and a vivid hue.
[Solution]
A heat-sensitive color-developing composition containing a hydroxyquinoline compound having a methyl group and an acid anhydride compound represented by general formula (1):
wherein ring A represents a substituted or unsubstituted aromatic hydrocarbon ring, and n represents an integer of 1 to 3, and a heat-sensitive recording material containing the composition in a recording layer.