发明公开
- 专利标题： PROCÉDÉ ET DISPOSITIF DE PROTECTION SÉCURITAIRE D'UN DOCUMENT OFFICIEL ET DOCUMENT OFFICIEL AINSI PROTÉGÉ
- 专利标题（英）： Method and device for the secure protection of an official document and official document thus protected
- 专利标题（中）： 方法和装置正式文件安全的保护和被保护公文
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申请号： EP14729413.6申请日： 2014-05-12
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公开(公告)号： EP2996883A1公开(公告)日： 2016-03-23
- 发明人: PHILIPPE, Eric , BES, Laurence
- 申请人： FASVER
- 申请人地址： ZAE La Biste II 286, Rue Charles Gide 34670 Baillargues FR
- 专利权人： FASVER
- 当前专利权人： FASVER
- 当前专利权人地址： ZAE La Biste II 286, Rue Charles Gide 34670 Baillargues FR
- 代理机构： Cabinet BARRE LAFORGUE & associés
- 优先权： FR1354254 20130513
- 国际公布： WO2014184481 20141120
- 主分类号： B42D15/00
- IPC分类号： B42D15/00 ; C09D11/00 ; B42D25/378 ; B42D25/00
摘要：
The invention relates to a method for the secure protection of a portion of the surface of an official document bearing markings, in which: a transparent security layer (17) is selected, said layer comprising at least one semi-transparent printed image including at least one transparent binder and at least one thermochromic pigment (14, 13, 12, 11); the semi-transparent printed image reveals at least one semi-transparent visible pattern in a first non-activated state at at least a first temperature, such that the markings can be seen through the image, said pattern not being visible in a second activated state at at least a second temperature different from the first temperature. The invention also relates to a device for the secure protection of a portion of the surface of an official document and to such an official document.
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