Polymeric compounds
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United States of America Patent
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-
Nov 5, 2002
Grant Date -
Sep 6, 2001
app pub date -
Dec 1, 2000
filing date -
Jun 3, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Polymeric compounds for lithographic printing plates, especially plates for use in printing utilizing UV curable inks, may include a structural unit (I) ##STR1## wherein R.sup.1 represents an optionally-substituted cyclic or alkyl group, x represents 0 or 1 and A represents an optionally-substituted alkylene group. A range of compounds having different solubilities in selected solvents may be prepared by varying the identity or group R.sup.1. Such components may be prepared by reacting an amine of formula R.sup.1 NH.sub.2 with the maleic anhydride derivative corresponding to moiety 1.
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