LASER-SENSITIVE RECORDING MATERIALS HAVING AN UNDERCOATING LAYER
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United States of America Patent
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Issued Date -
Nov 4, 2010
app pub date -
Feb 27, 2008
filing date -
Mar 8, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention provides a laser-sensitive recording material, which comprises a substrate being coated with a recording layer and an undercoating layer, wherein the recording layer undergoes a colour change upon heat treatment produced by laser irradiation and wherein the undercoating layer comprises a pigment with the proviso that the system of the recording layer that undergoes a colour change upon heat treatment produced by laser irradiation does not comprise an organic leuco dye and an organic colour developer, a process for its preparation, a process for marking the laser-sensitive recording material and the marked laser-sensitive recording material.
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