发明名称 |
INK SET, PRINTED ARTICLE, A METHOD OF PRINTING AND USE OF A COLORANT |
摘要 |
The invention relates to an ink set comprising a plurality of inks of a first and of a second group, having different colors. Inks of said first group comprise a visible colorant and an additional IR-absorbing compound (IR-taggant) which has an absorption peak at a predetermined wavelength in the near infrared. Inks of said second group comprise a visible colorant which has at the same time an infrared absorption peak at the same wavelength as that of the IR-taggant used in the inks of the first group. Preferred embodiment is a four-color process ink set comprising an IR feature. <IMAGE> |
申请公布号 |
EP1440129(A1) |
申请公布日期 |
2004.07.28 |
申请号 |
EP20020802282 |
申请日期 |
2002.08.30 |
申请人 |
SICPA HOLDING S.A. |
发明人 |
BLEIKOLM, ANTON;DEGOTT, PIERRE;DESPLAND, CLAUDE-ALAIN;MUELLER, EDGAR |
分类号 |
C09D11/40;B41M3/14;G06K19/00;G06K19/08;(IPC1-7):C09D11/00;C09D11/02 |
主分类号 |
C09D11/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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