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Patent Searching and Data


Title:
LEUCO DYE COMPOUND AND HEAT-SENSITIVE RECORDING MATERIAL USING THE SAME
Document Type and Number:
Japanese Patent JP2003073573
Kind Code:
A
Abstract:

To provide a leuco dye compound having high coloring property, a heat-sensitive recording material excellent in coloring property and a heat- sensitive recording material having good fastness of the coloring dye in addition to the coloring property.

This leuco dye compound is represented by the general formula (1) [wherein Ar1 and Ar2 are each independently an aryl group or a heterocyclic group; the ring A represents a cyclic structure having a function coloring the compound represented by the general formula (1) by contact with an acidic substance]. This heat-sensitive recording material is obtained by using the dye compound or the dye compound and a metallic compound.


Inventors:
YANAGIHARA NAOTO
Application Number:
JP2001268400A
Publication Date:
March 12, 2003
Filing Date:
September 05, 2001
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
B41M5/327; B41M5/26; B41M5/30; B41M5/337; C07D471/04; C07D491/048; C09B11/26; (IPC1-7): C09B11/26; B41M5/26; B41M5/30
Attorney, Agent or Firm:
Atsushi Nakajima (3 outside)