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Aliphatic-aromatic copolyesters

  • US 6,485,819 B2
  • Filed: 12/19/2000
  • Issued: 11/26/2002
  • Est. Priority Date: 12/19/2000
  • Status: Expired due to Fees
First Claim
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1. A copolyester consisting essentially of the polymerization product of:

  • about 20 to about 98 mole percent of (a) one or more aromatic dicarboxylic acids or an ester thereof based on total dicarboxylic acid in the copolyester;

    about 2 to about 80 mole percent of (b) one or more aliphatic dicarboxylic acids or an ester thereof based on total dicarboxylic acid in the copolyester;

    and about 1 to about 100 mole percent of (c) isosorbide based on total glycols in the copolyester.

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