发明申请
- 专利标题: METHOD OF AUTHENTICATING A SECURITY DOCUMENT COMPRISING A THERMOCHROMIC ELEMENT AND DATA CONTAINING TEMPERATURE INFORMATION, AND ASSOCIATED SECURITY DOCUMENT
- 专利标题(中): 授权包含热变质元件的安全文件和包含温度信息的数据的方法及相关安全文件
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申请号: US13125731申请日: 2009-10-22
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公开(公告)号: US20110215561A1公开(公告)日: 2011-09-08
- 发明人: Henri Rosset , Philippe Dietemann
- 申请人: Henri Rosset , Philippe Dietemann
- 申请人地址: FR PARIS
- 专利权人: ARJOWIGGINS SECURITY
- 当前专利权人: ARJOWIGGINS SECURITY
- 当前专利权人地址: FR PARIS
- 优先权: FR0857163 20081022
- 国际申请: PCT/IB2009/054682 WO 20091022
- 主分类号: B42D15/00
- IPC分类号: B42D15/00
摘要:
Security document including at least one thermochromic element able to change appearance at at least one predefined temperature, and at least one indication on the document, associated with said at least one thermochromic element, giving information on the change-of-appearance temperature of said at least one thermochromic element.
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