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Patent Searching and Data


Title:
HEAT-SENSITIVE RECORDING MATERIAL
Document Type and Number:
Japanese Patent JP2003089272
Kind Code:
A
Abstract:

To provide a heat-sensitive recording material which shows the high shelf stability of a texture part and especially, hardly develops a color by a solvent.

This heat-sensitive recording material is composed of a heat- sensitive color developing layer containing a leuco dye and a developer which makes the leuco dye develop a color during heating, formed on a support. In this recording material, a chemical compound having at least two groups represented by formula (1) per molecule, -SO2-NHNH2, is used as a developer.


Inventors:
MORITA MITSUNOBU
HAYAKAWA KUNIO
KANEKO GIICHI
KAWAGUCHI YUICHI
Application Number:
JP2001284968A
Publication Date:
March 25, 2003
Filing Date:
September 19, 2001
Export Citation:
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Assignee:
RICOH KK
International Classes:
B41M5/333; B41M5/30; (IPC1-7): B41M5/30
Attorney, Agent or Firm:
Toshiaki Ikeura