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Patent Searching and Data


Title:
DISPLAY PAPER
Document Type and Number:
WIPO Patent Application WO/2013/145772
Kind Code:
A1
Abstract:
[Problem] To provide display paper that enables relatively simple manufacture and has outstanding concealment ability when said display paper has not absorbed water. [Solution] The invention is display paper (10) obtained by providing a coating on a portion of the paper by letting said coating permeate said portion, said coating containing a synthetic resin that is more hydrophilic or more hydrophobic than said paper. The display paper (10) is provided with a hydrophilic patterned portion (1), and an unpatterned portion (2) that is less hydrophilic than the patterned portion (1). By absorbing water, said display paper (10) is capable of showing the patterned portion (1) (hidden pattern), with only the patterned portion (1) becoming translucent.

Inventors:
NOGAMI MASAAKI (JP)
Application Number:
PCT/JP2013/002165
Publication Date:
October 03, 2013
Filing Date:
March 29, 2013
Export Citation:
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Assignee:
YAMATO GRAND CO LTD (JP)
NOGAMI MASAAKI (JP)
International Classes:
G09F19/00; B41M3/00; B42D15/00; D21H19/10; D21H21/14
Foreign References:
JPS60138759U1985-09-13
JPS6125164U1986-02-14
JPS4823550Y11973-07-09
JPS4823549Y11973-07-09
JPH024866A1990-01-09
JP2010150459A2010-07-08
JPH08209046A1996-08-13
JPS58199185A1983-11-19
JP2008138179A2008-06-19
Attorney, Agent or Firm:
SHIRASAKI, SHINJI (JP)
Shinji Shirasaki (JP)
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