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Title:
GAS-BARRIER FILM, LAYERED PRODUCT, AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/024954
Kind Code:
A1
Abstract:
This gas-barrier film comprises a biaxially oriented polyester film and an inorganic thin-film layer, wherein the biaxially oriented polyester film includes a chemically recycled polyester, the biaxially oriented polyester film has an intrinsic viscosity of 0.50-0.70 dl/g, and the biaxially oriented polyester film has a melting point of 251°C or higher. This layered product can comprise: the gas-barrier film; and a sealant layer and/or a pressure-sensitive adhesive layer. This packaging container can comprise the layered product.

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Inventors:
GOTO TAKAMICHI (JP)
MANABE NOBUYUKI (JP)
YAMAZAKI ATSUSHI (JP)
Application Number:
PCT/JP2023/027800
Publication Date:
February 01, 2024
Filing Date:
July 28, 2023
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B9/00; B32B27/00; B32B27/36; B65D65/40
Domestic Patent References:
WO2021200754A12021-10-07
WO2021210466A12021-10-21
WO2022049998A12022-03-10
WO2022138484A12022-06-30
Foreign References:
JP2022007902A2022-01-13
JP2021130301A2021-09-09
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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