发明名称 |
PROCESS FOR PROVIDING MARKING ON SECURITY PAPERS |
摘要 |
<p>A process for providing a security paper, in particular a banknote, with a coloured marking, comprising providing a photosensitive preparation on a portion of said document and submitting at least selected areas of said portion to a light beam, wherein said preparation is capable of forming a film on said portion and comprises a substance capable of producing colloidal metal particles under the effect of UV irradiation, and said areas are irradiated by means of an UV-light beam. <IMAGE></p> |
申请公布号 |
EP1654126(B1) |
申请公布日期 |
2007.11.21 |
申请号 |
EP20040738132 |
申请日期 |
2004.08.05 |
申请人 |
KBA-GIORI S.A. |
发明人 |
HOFFMANN, PATRIK;BRET, TRISTAN;MOREAU, VINCENT |
分类号 |
B41M3/14;B42D15/00;G03C1/50;G03C5/08 |
主分类号 |
B41M3/14 |
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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