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Title:
LAYERED GAS-BARRIER PRODUCT AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2022/009610
Kind Code:
A1
Abstract:
A layered gas-barrier product which comprises, in the following order, a paper base, a layer comprising a poly(vinyl alcohol)-based resin, a vapor deposition layer, and a layer comprising a polyolefin having polar groups.

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Inventors:
KAMINAGA JUNICHI (JP)
KOSHIYAMA YOSHIKI (JP)
KOJIMA YUMIKO (JP)
ISHII RIKA (JP)
Application Number:
PCT/JP2021/022372
Publication Date:
January 13, 2022
Filing Date:
June 11, 2021
Export Citation:
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Assignee:
TOPPAN INC (JP)
International Classes:
B32B27/10; B32B9/00; B32B15/08; B32B27/30; B32B27/32; B65D65/40
Foreign References:
JPS56118992A1981-09-18
JP2007090874A2007-04-12
JP2004216686A2004-08-05
JP2002019015A2002-01-22
JP2015214093A2015-12-03
JP2020069783A2020-05-07
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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