Title:
GAS BARRIER FILM, LAMINATE, AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/024960
Kind Code:
A1
Abstract:
This gas barrier film comprises a biaxially-oriented polyester film and an inorganic thin film layer. The biaxially-oriented polyester film contains a chemically-recycled polyester. At least one surface of the biaxially-oriented polyester film has a crystallinity degree of 1.10-1.31. This laminate may comprise the gas barrier film and a sealant layer and/or an adhesive layer. This packaging container may comprise the laminate.
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Inventors:
GOTO TAKAMICHI (JP)
MANABE NOBUYUKI (JP)
YAMAZAKI ATSUSHI (JP)
MANABE NOBUYUKI (JP)
YAMAZAKI ATSUSHI (JP)
Application Number:
PCT/JP2023/027825
Publication Date:
February 01, 2024
Filing Date:
July 28, 2023
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B9/00; B32B27/00; B32B27/36; B65D65/40
Domestic Patent References:
| WO2021200754A1 | 2021-10-07 | |||
| WO2021210466A1 | 2021-10-21 | |||
| WO2022049998A1 | 2022-03-10 | |||
| WO2022138484A1 | 2022-06-30 |
Foreign References:
| JP2022007902A | 2022-01-13 | |||
| JP2021130301A | 2021-09-09 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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