COATED FILM
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United States of America Patent
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app pub date -
Jan 24, 2014
filing date -
Apr 6, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to the present invention, there is provide a coated film having excellent properties which can be highly prevented from suffering from deposition of oligomers from a surface of the film when exposed to a high temperature condition, and is free from occurrence of disadvantages due to the oligomers (ester cyclic trimer) upon storage, use or processing of the film, etc. The present invention relates to a coated film comprising a single-layer polyester film having an ester cyclic trimer content of not more than 0.7% by weight or a multilayer polyester film comprising a polyester surface layer having an ester cyclic trimer content of not more than 0.7% by weight, and a coating layer formed on at least one surface of the single-layer polyester film or multilayer polyester film, the coating layer being formed from a coating solution comprising a polyvalent aldehyde-based compound.
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