Thermally sensitive recording medium
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United States of America Patent
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Nov 11, 2003
Grant Date -
N/A
app pub date -
Jun 6, 2000
filing date -
Jun 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a thermally sensitive recording medium that possesses a thermally sensitive color developing layer containing colorless or pale colored basic leuco dye and an organic color developer as main components on a substrate, wherein said thermally sensitive recording medium contains at least one kind of an ultraviolet ray absorbent of aqueous emulsion type polymer composed of an emulsion copolymerized compound of (a) ultraviolet ray absorbing monomer, (b) vinyl compound monomer that can copolymerize with said monomer, (c) hydrophilic monomer and (d) reactive emulsifier.
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