G - Physics – 03 – C
Patent
G - Physics
03
C
96/235
G03C 1/72 (2006.01) B41M 5/136 (2006.01) B41M 5/323 (2006.01) B41M 5/327 (2006.01) B41M 5/34 (2006.01) G03F 7/00 (2006.01) G03F 7/028 (2006.01) B41M 5/145 (2006.01) B41M 5/30 (2006.01)
Patent
CA 1329506
COLOR IMAGE FORMING METHOD USING LEUCO DYES AND RECORDING MATERIAL CONTAINING LEUCO DYES ABSTRACT OF THE DISCLOSURE A color image forming method comprises bringing a developer into contact with a recording material compris- ing a support and a recording layer containing at least two kinds of leuco dyes being capable of forming colors different in hue from each other on contact with the developer. The leuco dyes are a yellow color forming leuco dye, a magenta color forming leuco dye and/or a cyan color forming leuco dye. The equilibrium constants of the reactions between these dyes contained in the re- cording layer and the developer are not lower than 0.05.
567956
Bereskin & Parr
Fuji Photo Film Co. Ltd.
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