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Title:
PACKAGING MATERIAL, PACKAGING BAG AND PACKAGE
Document Type and Number:
WIPO Patent Application WO/2022/196211
Kind Code:
A1
Abstract:
A packaging material for packaging a content that contains fat or oil, the packaging material comprising: a first polyolefin layer; a barrier layer which comprises an inorganic vapor deposition layer and a barrier coating layer; and a second polyolefin layer which has heat sealability. With respect to this packaging material, the first polyolefin layer comprises a layer of a homopolymer and a layer of a copolymer.

Inventors:
TANAKA AYUMI (JP)
NISHIKAWA TAKESHI (JP)
FUKUGAMI MIKI (JP)
OCHIAI SHINYA (JP)
Application Number:
PCT/JP2022/005688
Publication Date:
September 22, 2022
Filing Date:
February 14, 2022
Export Citation:
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Assignee:
TOPPAN INC (JP)
International Classes:
B65D65/40; B32B9/00; B32B27/32
Domestic Patent References:
WO2021020401A12021-02-04
WO2021020400A12021-02-04
Foreign References:
JPH09290477A1997-11-11
JPH07329258A1995-12-19
JP2008230153A2008-10-02
JP2021059387A2021-04-15
JP2004074449A2004-03-11
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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