Polyester resin with improved color characteristics
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United States of America Patent
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Apr 8, 1997
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N/A
app pub date -
Jul 22, 1996
filing date -
Jul 27, 1995
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Abstract
Aromatic polyester resins having improved color characteristics obtained incorporating in the resins in the preparation phase of the resin by polycondensation of a diol with an aromatic bicarboxylic acid a violet toner formed of 9,10 anthraquinone -2-hydroxy-4-p-toluidine or having an absorption spectrum comparable to that of the above anthraquinone compound.
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