Title:
GAS BARRIER LAMINATE AND PACKAGING MATERIAL PROVIDED THEREWITH
Document Type and Number:
WIPO Patent Application WO/2022/202168
Kind Code:
A1
Abstract:
The gas barrier laminate comprises a paper base material, a first resin layer, a vapor deposition layer, and a second resin layer laminated on each other, wherein the paper base material, the first resin layer, the vapor deposition layer, and the second resin layer are laminated in the stated order, the thickness of the paper base material is 20-40 μm, and the density of the paper base material is 0.8 g/cm3 to 1.5 g/cm3.
Inventors:
KOSHIYAMA YOSHIKI (JP)
KAMINAGA JUNICHI (JP)
KOJIMA YUMIKO (JP)
ISHII RIKA (JP)
WAKABAYASHI HIROYUKI (JP)
KAMINAGA JUNICHI (JP)
KOJIMA YUMIKO (JP)
ISHII RIKA (JP)
WAKABAYASHI HIROYUKI (JP)
Application Number:
PCT/JP2022/008936
Publication Date:
September 29, 2022
Filing Date:
March 02, 2022
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B9/00; B32B29/00; B65D65/40
Domestic Patent References:
| WO2021010040A1 | 2021-01-21 |
Foreign References:
| JPH07223686A | 1995-08-22 | |||
| JP2005178829A | 2005-07-07 | |||
| JPH07256811A | 1995-10-09 | |||
| JPS59196455U | 1984-12-27 | |||
| JPS5985748A | 1984-05-17 | |||
| JP2010207117A | 2010-09-24 | |||
| JPH07108774A | 1995-04-25 | |||
| JP2020069783A | 2020-05-07 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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