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Title:
PRINTED MATTER
Document Type and Number:
WIPO Patent Application WO/2024/024384
Kind Code:
A1
Abstract:
The present invention provides printed matter, especially one for forgery prevention and/or authenticity assessments. This printed matter has a printed portion to be read with visible light, a printed portion to be read with invisible light, and a double-printed portion. These printed portions each have formed a first identification code 1, a second identification code 2, and a third identification code 3. The printed portion to be read with invisible light has been formed from an ink for reading with invisible light comprising a tungsten-based infrared-absorbing pigment, an ultraviolet-absorbing fluorescent pigment, an ultraviolet-curable urethane acrylate resin, and an ultraviolet-curable acrylic resin containing no urethane bond.

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Inventors:
KOBAYASHI FUMIHITO (JP)
KARINO MASAHIRO (JP)
TERADA AKIRA (JP)
NAKATSUBO KUNIO (JP)
Application Number:
PCT/JP2023/024207
Publication Date:
February 01, 2024
Filing Date:
June 29, 2023
Export Citation:
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Assignee:
KYODO PRINTING CO LTD (JP)
International Classes:
B41M3/14; B41J2/01; B41M5/00; B42D25/382; B42D25/387; C09D11/02
Domestic Patent References:
WO2021049381A12021-03-18
WO2020061629A12020-04-02
Foreign References:
JP2017001246A2017-01-05
JPH08262963A1996-10-11
JP2012219218A2012-11-12
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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