Title:
WATER-STOP FILM
Document Type and Number:
WIPO Patent Application WO/2024/043309
Kind Code:
A1
Abstract:
Provided is a water-stop film having a water-permeable substrate, a layer containing a water-absorbent polymer, and an adhesive layer in the stated order, the layer containing a water-absorbent polymer having a cross-sectional shape in which at least a portion thereof protrudes in the direction away from the water-permeable substrate.
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Inventors:
UCHIUMI KYOHISA (JP)
ISHIKAWA REN (JP)
ISHIKAWA REN (JP)
Application Number:
PCT/JP2023/030520
Publication Date:
February 29, 2024
Filing Date:
August 24, 2023
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
B32B3/30; B32B5/02; B32B7/02; B32B27/10; B32B27/12; E04B1/68; E04B1/684
Domestic Patent References:
| WO2022130738A1 | 2022-06-23 |
Foreign References:
| JPH048610U | 1992-01-27 | |||
| JPS59122308U | 1984-08-17 | |||
| JP2023037253A | 2023-03-15 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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