Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Spatial relationship specified between color-former and...
Reexamination Certificate
2006-09-26
2009-11-17
Hess, Bruce H (Department: 1794)
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Spatial relationship specified between color-former and...
C503S200000
Reexamination Certificate
active
07618921
ABSTRACT:
An object of the present invention is to provide an image formation material exhibiting exposure visualization with excellent color development, and further to provide a printing plate material exhibiting excellent on-press developability, accompanied with excellent exposure visualization and printing durability. Also disclosed is an image formation material possessing a support and provided thereon, a thermosensitive image formation layer, wherein the thermosensitive image formation layer comprises water-insoluble particle (A), electron providing dye precursor (B) and electron accepting dye color developing agent (C), and at least one of the precursor (B) and the color developing agent (C) is provided on a surface of the particle (A).
REFERENCES:
patent: 5595955 (1997-01-01), Chang et al.
patent: 2064801 (1981-06-01), None
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Hess Bruce H
Konica Minolta & Medical Graphic, Inc.
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