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Title:
GAS BARRIER LAYERED BODY AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2023/042766
Kind Code:
A1
Abstract:
A gas barrier layered body according to the present disclosure comprises, in the following order, a paper base material, an anchor coating layer that includes at least one of a polyvinyl alcohol resin and a polyolefin having a polar group, a vapor deposition layer, an adhesive layer, and a sealant layer.

Inventors:
KOJIMA YUMIKO (JP)
KAMINAGA JUNICHI (JP)
KOSHIYAMA YOSHIKI (JP)
ISHII RIKA (JP)
WAKABAYASHI HIROYUKI (JP)
Application Number:
PCT/JP2022/033930
Publication Date:
March 23, 2023
Filing Date:
September 09, 2022
Export Citation:
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Assignee:
TOPPAN INC (JP)
International Classes:
B32B27/32; B32B15/12; B32B27/10; B65D65/40
Domestic Patent References:
WO2021029170A12021-02-18
Foreign References:
JP2020066233A2020-04-30
JP2016124565A2016-07-11
JP2018533506A2018-11-15
JP2004017449A2004-01-22
JP2018171796A2018-11-08
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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