COMPOSITION FOR ANTI-COUNTERFEIT INK, AND ANTI-COUNTERFEIT PRINTED MATTER

Title:

COMPOSITION FOR ANTI-COUNTERFEIT INK, AND ANTI-COUNTERFEIT PRINTED MATTER

Document Type and Number:

WIPO Patent Application WO/2024/090360

Kind Code:

A1

Abstract:

A composition for anti-counterfeit ink comprising organic-inorganic hybrid infrared absorbing particles and a liquid medium, wherein the organic-inorganic hybrid infrared absorbing particles have 15-55 mass% of infrared absorbing particles and a coating resin that covers at least a portion of the surface of the infrared absorbing particles.

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Inventors:

CHONAN TAKESHI (JP)
IGARI ATSUSHI (JP)

Application Number:

PCT/JP2023/038098

Publication Date:

May 02, 2024

Filing Date:

October 20, 2023

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Assignee:

SUMITOMO METAL MINING CO (JP)

International Classes:

C09D11/037; B41M3/14; C09C1/00; C09C3/10

Domestic Patent References:

WO2019022003A1

2019-01-31

Foreign References:

JP2019131727A	2019-08-08
JP2020196850A	2020-12-10

Attorney, Agent or Firm:

ITOH, Tadashige et al. (JP)

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