Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1993-12-03
1995-01-31
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528125, 528128, 528171, 528173, 528174, 528176, 528185, 528190, 528191, 528208, 528288, 528289, 528322, C08G 7310
Patent
active
053860020
ABSTRACT:
Polyetherimides, polyesterimides, poly(ester etherimides) and poly(carbonate imides) which are thermoplastic, polymeric materials contain divalent bisimides of formula ##STR1## wherein R is independently in each occurrence hydrogen, alkyl of from 1 to 20 carbons, aryl or aralkyl of from 1 to 20 carbons, halogen or NO.sub.2. Novel monomeric bisimides corresponding to the above formula are also disclosed.
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Brewbaker James L.
Inbasekaran Muthiah N.
Mang Michael N.
Murray Daniel J.
Foelak Morton
Hampton-Hightower P.
O'Keefe Robert M.
The Dow Chemical Company
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