Thermoplastic linear aromatic polyetherdiketones and process for obtaining same
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United States of America Patent
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Mar 26, 1991
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N/A
app pub date -
May 8, 1989
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Dec 2, 1985
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Abstract
Thermoplastic linear aromatic polyetherdiketones containing repeating units of formula: ##STR1## wherein R is an arylene radical containing from 1 to 3 aromatic rings directly joined among them, or condensed, or joined by one or more of the following difunctional groups: --O--, --CO--; --CO--CO--, --SO.sub.2 --, --C(CH.sub.3).sub.2 --, --C(CF.sub.3).sub.2 --.
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