Heat-sensitive recording material and recording method therefor

Details Heat-sensitive recording material and recording method therefor Heat-sensitive recording material and recording method therefor

1985-07-31

1988-09-13

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Method of use, kit, or combined with marking instrument or...

427150, 427151, 427256, 430138, 430142, 430151, 503204, 503215, 503217, B41M 518

Patent

active

047710322

ABSTRACT:
A heat-sensitive recording material and a recording method are disclosed, wherein the heat-sensitive recording material comprises a support having formed thereon plural heat-coloring elements each comprising a diazo compound and a coupling component capable of causing heat-coloring, the heat-coloring elements coloring in two or more different hues, and the coloring property in each heat-coloring element being capable of being stopped by the action of different radiations, and the recording method comprises first heat-coloring a heat-coloring element of the heat-sensitive recording material, stopping the heat-coloring property of the uncolored portions of the first heat-coloring element by radiation, and then heat-coloring another heat-coloring element; wherein the recording method comprises applying two or more heat-coloring procedures and one or more irradiations of radiation to form recorded images composed of two or more colors on the same sheet.

REFERENCES:
patent: 3069268 (1962-12-01), Herrick
patent: 3202510 (1965-08-01), Hollmann
patent: 3484241 (1969-12-01), Evleth et al.
patent: 4529681 (1985-07-01), Usami et al.
Schreiber et al., "Multicolor Diazo Imaging Elements", Research Disclosure, Mar. 1975.

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