Invention Application
- Patent Title: SECURITY ARTICLE HAVING A SWITCHING FEATURE
- Patent Title (中): 具有切换功能的安全文章
-
Application No.: US12872637Application Date: 2010-08-31
-
Publication No.: US20120050863A1Publication Date: 2012-03-01
- Inventor: Vivek Krishnan , Gaurav Manik , Gajendra Rao
- Applicant: Vivek Krishnan , Gaurav Manik , Gajendra Rao
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Main IPC: G02B5/128
- IPC: G02B5/128 ; B44F1/12
Abstract:
A security laminate for authenticating an article and a method for authenticating articles is disclosed. The security laminate includes a transparent binder layer and retroreflective microspheres such that the security laminate exhibits a covert switching effect when exposed to particular conditions.
Public/Granted literature
- US08622555B2 Security article having a switching feature Public/Granted day:2014-01-07
Information query
