INFRARED ABSORBING FINE PARTICLE DISPERSION POWDER, DISPERSION LIQUID CONTAINING INFRARED ABSORBING FINE PARTICLE DISPERSION POWDER, INK CONTAINING INFRARED ABSORBING FINE PARTICLE DISPERSION POWDER, ANTI-COUNTERFEIT INK, AND PRINTED MATTER FOR ANTI-COUNTERFEITING

Title:

Document Type and Number:

WIPO Patent Application WO/2019/021992

Kind Code:

A1

Abstract:

Provided are: an infrared absorbing fine particle dispersion powder which exhibits transparency in the visible light region, while having excellent infrared absorption characteristics and excellent chemical resistance; a dispersion liquid containing an infrared absorbing fine particle dispersion powder; an ink containing an infrared absorbing fine particle dispersion powder; an anti-counterfeit ink; and a printed matter for anti-counterfeiting. The present invention provides an infrared absorbing fine particle dispersion powder which has an average particle diameter of 1 μm or more, and which is configured of particles that are formed from a solid medium in which infrared absorbing fine particles are dispersed.

Inventors:

TSUNEMATSU HIROFUMI (JP)
CHONAN TAKESHI (JP)

Application Number:

PCT/JP2018/027456

Publication Date:

January 31, 2019

Filing Date:

July 23, 2018

Export Citation:

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Assignee:

SUMITOMO METAL MINING CO (JP)

International Classes:

C09C3/10; B41M3/14; B42D25/382; C01B35/18; C01G41/00; C01G41/02; C09C1/00; C09D11/037; C09D11/101; C09D11/50; C09D17/00; C09K3/00

Domestic Patent References:

WO2010055570A1	2010-05-20
WO2017104854A1	2017-06-22
WO2016121801A1	2016-08-04
WO2005037932A1	2005-04-28

Foreign References:

JPH06210987A	1994-08-02
JP2008291109A	2008-12-04
JP2004168842A	2004-06-17
JP2000096034A	2000-04-04
JP2009114326A	2009-05-28
JP2015117353A	2015-06-25
JPH02136230A	1990-05-24
JPH08259279A	1996-10-08
JPH11181336A	1999-07-06
JP2015117353A	2015-06-25

Other References: