Polyester label and packaging container

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10919668
APP PUB NO 20180319539A1
SERIAL NO

15763702

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The inventive label is prepared from a polyester with an intrinsic viscosity of 0.58 dl/g or more. The label has a base film with a thickness of 8-30 μm and a difference in specific heat capacity ΔCp between temperatures lower and higher than Tg of 0.2 J/(g·° C.) or more. The label has a tensile elongation at break of 5% or more in both a main shrinkage direction and an orthogonal direction. A difference between the absorbancy ratio (absorbancy at 1340 cm−1/absorbancy at 1410 cm−1) in the main shrinkage direction of the label and the absorbancy ratio in the direction orthogonal to the main shrinkage direction of the label is 0.2 or more. The label has a difference between a maximum value and a minimum value of a length in a vertical direction of the label of 3 mm or less.

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First Claim

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Patent Owner(s)

  • TOYO BOSEKI KABUSHIKI KAISHA T/A TOYOBO CO. LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haruta, Masayuki Tsuruga, JP 78 361
Tabota, Norimi Osaka, JP 45 639

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