Title:
PACKAGING MATERIAL FOR AQUEOUS CONTENT AND PACKAGING BAG FOR AQUEOUS CONTENT
Document Type and Number:
WIPO Patent Application WO/2023/176432
Kind Code:
A1
Abstract:
This packaging material for aqueous content is a packaging bag comprising at least a gas barrier laminate obtained by laminating, in the sequence listed, a paper substrate, an anchor coating layer, a vapor deposition layer, and an overcoat layer, the paper substrate having a mass of at least 50 mass% relative to the total mass of the packaging material, the vapor deposition layer containing a metal or a metal oxide, the overcoat layer containing a polyolefin that has a carboxylic acid base, and the overcoat layer having a thickness of over 3 μm.
Inventors:
ISHII RIKA (JP)
KAMINAGA JUNICHI (JP)
KOSHIYAMA YOSHIKI (JP)
KOJIMA YUMIKO (JP)
WAKABAYASHI HIROYUKI (JP)
KAMINAGA JUNICHI (JP)
KOSHIYAMA YOSHIKI (JP)
KOJIMA YUMIKO (JP)
WAKABAYASHI HIROYUKI (JP)
Application Number:
PCT/JP2023/007358
Publication Date:
September 21, 2023
Filing Date:
February 28, 2023
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B27/00; B32B9/00; B32B15/085; B32B27/10; B32B27/32; B65D65/40
Domestic Patent References:
| WO2020179616A1 | 2020-09-10 | |||
| WO2022009609A1 | 2022-01-13 | |||
| WO2021006172A1 | 2021-01-14 |
Foreign References:
| JP3234530U | 2021-10-14 | |||
| JP2000037831A | 2000-02-08 | |||
| JPS5662147A | 1981-05-27 | |||
| JP2020044713A | 2020-03-26 | |||
| JP2022016715A | 2022-01-24 | |||
| JP2020066232A | 2020-04-30 | |||
| US20170136747A1 | 2017-05-18 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF:
Previous Patent: INFORMATION PROCESSING DEVICE, AND COMMUNICATION SYSTEM
Next Patent: FLUOROALKENE STORAGE METHOD
Next Patent: FLUOROALKENE STORAGE METHOD