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Patent Searching and Data


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.

Inventors:
KAMINAGA JUNICHI (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:
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Assignee:
TOPPAN INC (JP)
International Classes:
B32B9/00; B32B27/32; B32B29/00; B65D65/40
Domestic Patent References:
WO2021010040A12021-01-21
Foreign References:
JP2002037312A2002-02-06
JPH07223686A1995-08-22
JPH07256811A1995-10-09
JP2004204366A2004-07-22
JP2002046775A2002-02-12
JPS56118992A1981-09-18
JPS57149344A1982-09-14
JP2007196528A2007-08-09
JP6944024B12021-10-06
JP2020069783A2020-05-07
Other References:
See also references of EP 4209343A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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