Copolyesters derived from aliphatic glycols, aromatic dicarboxylic acids and poly(alkylene-oxides) and films made therefrom

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United States of America

PATENT NO 12180333
APP PUB NO 20210024688A1
SERIAL NO

17040459

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Abstract

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An optionally oriented copolyester film comprising a copolyester which comprises repeating units derived from an aliphatic diol, an aromatic dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises lithium ions, and wherein the film has a thickness of no more than about 25 μm. The copolyester film is suitable for use a separator in a lithium-ion rechargeable battery.

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Patent Owner(s)

  • MYLAR SPECIALTY FILMS U.S. LIMITED PARTNERSHIP

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jones, Stephen Wilton, GB 187 2680
Meaburn, Megan Wilton, GB 1 0
Sankey, Stephen Wilton, GB 9 11
Schosseler, Lucien Luxembourg, LU 8 10
Turner, David Wilton, GB 201 2444

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