Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-10-04
1993-02-09
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548461, C07D49522, C07D20948
Patent
active
051854511
ABSTRACT:
Bis-imides of dioxydiphthalic or oxydiphthalic anhydride, are characterized by the formula ##STR1## where Z is H, alkyl of 1-12 carbon atoms, or ##STR2## A is H, Cl, F, NO.sub.2, OH, CF.sub.3, alkyl, alkoxy, alkylaryl or aryloxy, wherein the alkyl groups are 1-6 carbon atoms and the aryl groups are 6-14 carbon atoms; alkenyl or alkynyl of 2-6 carbon atoms; or benzoyl; and Y is H, Cl, F, NO.sub.2, OH, or CF.sub.3 ; X is halogen; X' is hydrogen or halogen; or X and X' together represent an oxygen atom, forming a second ether linkage.
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Dinan Frank J.
Schwartz Willis T.
Stults Jeffrey S.
Cookfair Arthur S.
Jones Wayne A.
Occidental Chemical Corporation
Raymond Richard L.
Russell Mark W.
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