Methods and compositions for inhibiting polymerization of ethylenically unsaturated hydrocarbons
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United States of America Patent
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Issued Date -
Jul 26, 2001
app pub date -
Jan 24, 2001
filing date -
Nov 5, 1998
priority date (Note) -
Abandoned
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Abstract
Methods and compositions for inhibiting the polymerization of ethylenically unsaturated hydrocarbons are disclosed. Combinations of aminophenol compound and either of phenylenediamine or hydroxylamine compounds are effective at inhibiting this polymerization under both processing and storage conditions.
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