Process for imidizing vinyl-aromatic copolymers
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United States of America Patent
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Jun 12, 1990
Grant Date -
N/A
app pub date -
Feb 8, 1989
filing date -
Feb 11, 1988
priority date (Note) -
Expired
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Abstract
Process for the imidization of vinyl-aromatic copolymers containing maleic anhydride, using as an imidizing agent an amide, the imidization being conducted in an anhydrous state and in the presence of a catalyst.
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