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Patent Searching and Data


Title:
WATERPROOF PAPER, FOOD CONTAINER, PAPER CUP, AND PAPER LID, AND METHOD FOR PRODUCING WATERPROOF PAPER
Document Type and Number:
WIPO Patent Application WO/2022/113988
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing waterproof paper having waterproof performance and exhibiting excellent processing suitability. The problem is solved by this waterproof paper that has at least one waterproof layer on at least one surface of a paper base material and that has a tensile strength of not more than 19.0 kN/m in a transverse direction.

Inventors:
YAMAZAKI MIKU (JP)
SHIMIZU RYO (JP)
MATSUMOTO AYAKA (JP)
TADA HIKARI (JP)
ISOZAKI TOMOFUMI (JP)
MIURA TAKAHIRO (JP)
Application Number:
PCT/JP2021/042945
Publication Date:
June 02, 2022
Filing Date:
November 24, 2021
Export Citation:
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Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
D21H19/20; B65D65/40; B65D65/42; D21H19/22; D21H19/82; D21H27/00
Foreign References:
JP2003027393A2003-01-29
JP2000045198A2000-02-15
JP2002201598A2002-07-19
JP2012219381A2012-11-12
JPS5658096A1981-05-20
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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