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US 5,470,987 AGranted
Bisimide monomers
AssigneeThe Dow Chemical Company
InventorMuthiah N. Inbasekaran
Life of this patent
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Abstract
Monomeric bisimides corresponding to the formula: ##STR1## wherein R is independently in each occurrence hydrogen, alkyl of from 1 to 20 carbons, aralkyl of from 1 to 20 carbons, halogen, or NO.sub.2 ; X' is F, Cl, OH, or NO.sub.2. These bisimides are useful in the production of various thermoplastic, polymeric materials such as polyetherimides, polyesterimides, and poly(carbonate imides).
Claims6
A bisimide of the formula:
- ##STR6## wherein R is independently in each occurrence hydrogen, alkyl of from 1 to 20 carbons, aralkyl of from 1 to 20 carbons, halogen, or NO.sub.2 ;
- X' is F, Cl, OH, or NO.sub.2.
Dependencies are inferred from the claim text.