Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and high glass transition temperature
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United States of America Patent
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Nov 29, 2011
Grant Date -
May 13, 2010
app pub date -
Mar 28, 2006
filing date -
Jun 17, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Described are film(s) and/or sheet(s) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.
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