Preparation of quinonediimines from phenylenediamines using hydrogen peroxide and a catalyst
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United States of America Patent
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Aug 7, 2001
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N/A
app pub date -
Apr 21, 2000
filing date -
Oct 29, 1997
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Abstract
A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with hydrogen peroxide in the presence of a catalyst.
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