发明授权
- 专利标题: Security film and process for preparation thereof
- 专利标题(中): 安全膜及其制备方法
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申请号: US13001979申请日: 2008-07-29
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公开(公告)号: US08444279B2公开(公告)日: 2013-05-21
- 发明人: Liangheng Xu , Kai Yang , Aiming Ge
- 申请人: Liangheng Xu , Kai Yang , Aiming Ge
- 申请人地址: CN Shanghai
- 专利权人: Shanghai Techsun Anti-Counterfeiting Technology Holding Co., Ltd.
- 当前专利权人: Shanghai Techsun Anti-Counterfeiting Technology Holding Co., Ltd.
- 当前专利权人地址: CN Shanghai
- 代理机构: K&L Gates LLP
- 优先权: CN200810039808 20080630
- 国际申请: PCT/CN2008/071789 WO 20080729
- 国际公布: WO2010/000113 WO 20100107
- 主分类号: G02B5/128
- IPC分类号: G02B5/128
摘要:
Disclosed herein are an anti-counterfeiting film and a process for preparation thereof. The anti-counterfeiting film comprises a protective layer (1), a binder layer (2), a retroreflective layer (3), a photopolymerizable information layer (4) and a reflective layer (5) which are combined in turn. The retroreflective layer (3) is embedded spherically in the binder layer (2), and the photopolymerizable information layer (4) has been recorded with graphics information which can change along with the viewing angle.
公开/授权文献
- US20110175345A1 SECURITY FILM AND PROCESS FOR PREPARATION THEREOF 公开/授权日:2011-07-21
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