Title:
インキ組成物、印刷物、及び、真贋判定方法
Document Type and Number:
Japanese Patent JP7081603
Kind Code:
B2
Abstract:
An ink composition comprising one or two or more kinds of rare-earth complexes containing trivalent rare-earth ions and at least one organic ligand selected from a β-diketone ligand, a carboxylic acid ligand, a phosphine oxide ligand and a nitrogen-containing aromatic heterocyclic ligand,wherein at least one selected from the following group A and at least one selected from the following group B are contained as the trivalent rare-earth ions contained in the one or two or more kinds of rare-earth complexes:Group A: Eu3+, Sm3+, Pr3+ and Ho3+Group B: Tb3+, Er3+, Tm3+, Dy3+, Yb3+, Nd3+, Ce3+ and Gd3+.
Inventors:
Yuko Aoyama
Jun Sato
Fumi Murakami
Masato Okada
Toshio Yoshihara
Yasuya Hasegawa
Takayuki Nakanishi
Jun Sato
Fumi Murakami
Masato Okada
Toshio Yoshihara
Yasuya Hasegawa
Takayuki Nakanishi
Application Number:
JP2019541648A
Publication Date:
June 07, 2022
Filing Date:
June 01, 2018
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
C09D11/50; C09K11/06
Domestic Patent References:
| JP2006077191A | ||||
| JP2010095514A | ||||
| JP2015071751A | ||||
| JP2008189879A |
Foreign References:
| WO2015002282A1 | ||||
| WO2011111607A1 | ||||
| WO2009110199A1 | ||||
| WO2010032395A1 |
Other References:
HIRAI,Yuichi et al.,Thermo-sensitive luminescent materials composed of Tb(III) and Eu(III) complexes,Materials Letters,Vol.130,2014年,pages91-93
Attorney, Agent or Firm:
Tatsuto Kishimoto
Akihiko Yamashita
Akihiko Yamashita
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