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Title:
LAMINATE, PACKAGING BAG, AND STANDING POUCH
Document Type and Number:
WIPO Patent Application WO/2022/131264
Kind Code:
A1
Abstract:
A laminate according to one aspect of the present disclosure comprises a substrate layer, a sealant layer, and an adhesive layer that is disposed between the substrate layer and the sealant layer and that is in contact with the sealant layer, wherein: the substrate layer is formed from an unstretched film that has, as a main component, polyethylene having a density of 0.940 g/cm3 or greater; the sealant layer is formed from an unstretched film that has polyethylene as a main component; and the polyethylene content occupying the laminate is 90 mass% or greater.

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Inventors:
SATO JIN (JP)
OCHIAI SHINYA (JP)
KITAHARA TSUKASA (JP)
Application Number:
PCT/JP2021/046090
Publication Date:
June 23, 2022
Filing Date:
December 14, 2021
Export Citation:
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Assignee:
TOPPAN INC (JP)
International Classes:
B32B27/32; B32B1/02; B32B7/12; B32B9/00; B32B9/04; B32B27/00; B65D65/40
Domestic Patent References:
WO2018221495A12018-12-06
WO2013161480A12013-10-31
WO2019189092A12019-10-03
WO2019021759A12019-01-31
WO2020067426A12020-04-02
WO2021176948A12021-09-10
Foreign References:
JP2002036419A2002-02-05
CN110328948A2019-10-15
JP2020157514A2020-10-01
JP2021053993A2021-04-08
JP2017178357A2017-10-05
JP2020055157A2020-04-09
JP2013177531A2013-09-09
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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