Invention Grant
- Patent Title: Security film and process for preparation thereof
- Patent Title (中): 安全膜及其制备方法
-
Application No.: US13001979Application Date: 2008-07-29
-
Publication No.: US08444279B2Publication Date: 2013-05-21
- Inventor: Liangheng Xu , Kai Yang , Aiming Ge
- Applicant: Liangheng Xu , Kai Yang , Aiming Ge
- Applicant Address: CN Shanghai
- Assignee: Shanghai Techsun Anti-Counterfeiting Technology Holding Co., Ltd.
- Current Assignee: Shanghai Techsun Anti-Counterfeiting Technology Holding Co., Ltd.
- Current Assignee Address: CN Shanghai
- Agency: K&L Gates LLP
- Priority: CN200810039808 20080630
- International Application: PCT/CN2008/071789 WO 20080729
- International Announcement: WO2010/000113 WO 20100107
- Main IPC: G02B5/128
- IPC: G02B5/128

Abstract:
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.
Public/Granted literature
- US20110175345A1 SECURITY FILM AND PROCESS FOR PREPARATION THEREOF Public/Granted day:2011-07-21
Information query