发明名称 |
METHOD FOR MANUFACTURING SECURITY ELEMENTS AND HOLOGRAMS |
摘要 |
The present invention relates to a method for forming a surface relief microstructure, especially an optically variable image (an optically variable device) on a transparent or translucent substrate and a product obtainable using the method. A further aspect of the invention is the use for the prevention of counterfeit or reproduction of a document of value and a method of forming a coating showing an angle dependent color change. |
申请公布号 |
EP2861428(A2) |
申请公布日期 |
2015.04.22 |
申请号 |
EP20130727624 |
申请日期 |
2013.06.10 |
申请人 |
BASF SE |
发明人 |
RICHERT, MICHELLE;FLEURY, ROLAND;GRIGORENKO, NIKOLAY A. |
分类号 |
B41M3/14;B29C59/00;B42D15/00;G03H1/02 |
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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