Polymer for heat-sensitive lithographic printing plate precursor
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United States of America Patent
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Nov 25, 2008
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N/A
app pub date -
Sep 25, 2003
filing date -
Oct 15, 2002
priority date (Note) -
Expired
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Abstract
A polymer for a heat-sensitive lithographic printing plate precursor is disclosed wherein the polymer comprises a phenolic monomeric unit of which the phenyl group is substituted by a group A characterised in that the group A comprises an imide or thioimide group and wherein the modification of the polymer increases the chemical resistance of the coating of the printing plate precursor.
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