Chemical imidization reagent for polyimide synthesis
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United States of America Patent
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Aug 4, 1998
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N/A
app pub date -
Apr 15, 1997
filing date -
Apr 15, 1997
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Expired
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Abstract
A process for producing a polyimide composition by reacting at least one polyamic acid or at least one polyamic ester or a mixture of at least one polyamic acid and at least one polyamic ester with a selected phosphoramide in the presence of at least one base catalyst to from a polyimide composition.
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