Copolyesterimides derived from aromatic dicarboxylic acids and aliphatic glycols and films made therefrom

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United States of America Patent

PATENT NO 9637588
APP PUB NO 20160251476A1
SERIAL NO

15027503

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Abstract

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A film comprising a copolyester wherein said copolyester comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and a comonomer (M) selected from the group consisting of N,N′-bis-(2-hydroxyalkyl)-bicyclo-[2,2,2]-oct-7-ene-2,3,5,6-tetracarboxylic diimide (BODI) and 2-hydroxyalkyl-2-[p-(2-hydroxyethoxycarbonyl)phenyl]-1,3-dioxo-2H-isoindole-5-carboxylate (DOIC), wherein the number of carbon atoms is the 2-hydroxyalkyl group is 2, 3 or 4, and wherein comonomer (M) constitutes a proportion of the glycol fraction of the copolyester.

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Patent Owner(s)

Patent OwnerAddress
DUPONT TEIJIN FILMS U S LIMITED PARTNERSHIPCHESTNUT RUN PLAZA 730 974 CENTRE ROAD WILMINGTON DE 19805

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Colquhoun, Howard Reading, GB 9 15
Jones, Stephen Reading, GB 187 2680
Sankey, Stephen William Redcar, GB 24 172
Turner, David Redcar, GB 201 2444

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