Method for producing copper phthalocyanine in a reaction medium containing sulfur
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United States of America Patent
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Nov 10, 1998
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N/A
app pub date -
May 30, 1996
filing date -
Jun 21, 1995
priority date (Note) -
Expired
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Abstract
Copper phthalocyanine is prepared by heating and reacting phthalic acid or a derivative thereof, urea or a derivative thereof and copper or a copper compound in the presence of molybdenum or a molybdenum compound as a catalyst and sulfur.
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