Title:
GAS-BARRIER MULTILAYER BODY AND PACKAGEING BAG
Document Type and Number:
WIPO Patent Application WO/2022/071399
Kind Code:
A1
Abstract:
A gas-barrier multilayer body which is provided with a paper base material and a vapor deposition layer, and which is capable of achieving hermetic sealing by means of heat sealing. With respect to this gas-barrier multilayer body, the paper base material has a weight of from 30 to 100 g/m2; and the water vapor transmission rate and the oxygen transmission rate of this gas-barrier multilayer body are respectively within specific ranges.
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Inventors:
KAMINAGA JUNICHI (JP)
KOSHIYAMA YOSHIKI (JP)
KOJIMA YUMIKO (JP)
ISHII RIKA (JP)
KOSHIYAMA YOSHIKI (JP)
KOJIMA YUMIKO (JP)
ISHII RIKA (JP)
Application Number:
PCT/JP2021/035874
Publication Date:
April 07, 2022
Filing Date:
September 29, 2021
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B9/00; B32B27/32; B32B29/00; B65D65/40
Domestic Patent References:
WO2021010040A1 | 2021-01-21 |
Foreign References:
JP2002037312A | 2002-02-06 | |||
JPH07223686A | 1995-08-22 | |||
JPH07256811A | 1995-10-09 | |||
JP2004204366A | 2004-07-22 | |||
JP2002046775A | 2002-02-12 | |||
JPS56118992A | 1981-09-18 | |||
JPS57149344A | 1982-09-14 | |||
JP2007196528A | 2007-08-09 | |||
JP6944024B1 | 2021-10-06 | |||
JP2020069783A | 2020-05-07 |
Other References:
See also references of EP 4209343A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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