Invention Application
- Patent Title: METHODS FOR PRINTING TACTILE SECURITY FEATURES
- Patent Title (中): 打印战术安全特征的方法
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Application No.: US14406903Application Date: 2013-04-16
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Publication No.: US20150174945A1Publication Date: 2015-06-25
- Inventor: Christophe Garnier , Lucien Vuilleumier , Pierre Degott
- Applicant: SICPA HOLDING SA
- Applicant Address: CH Prilly
- Assignee: SICPA HOLDING SA
- Current Assignee: SICPA HOLDING SA
- Current Assignee Address: CH Prilly
- Priority: EP12171469.5 20120611
- International Application: PCT/EP2013/057904 WO 20130416
- Main IPC: B42D25/378
- IPC: B42D25/378 ; B42D25/29 ; B42D25/405 ; B42D25/369 ; B42D25/382 ; B41M3/14 ; B42D25/364

Abstract:
The present invention is related to a process for manufacturing a security feature comprising a tactile pattern, said method comprising the steps of applying on a substrate a radiation-curable basecoat composition by a process selected from the group consisting of inkjet, offset, screen printing, flexo printing and rotogravure; at least partially or fully radiation-curing said radiation-curable basecoat composition so as to obtain a radiation-cured basecoat; applying on the radiation-cured basecoat obtained under step ii) a radiation-curable topcoat composition in a form of indicia by a process selected from the group consisting of screen printing, flexo printing and rotogravure; radiation-curing said radiation-curable topcoat composition so as to form a radiation-cured topcoat, wherein the radiation-curable basecoat composition and/or the radiation-curable topcoat composition comprises one or more machine readable feature substances independently selected from the group consisting of cholesteric liquid crystal pigments, luminescent compounds, infrared-absorbing compounds, magnetic compounds and mixtures thereof, and wherein the radiation-cured basecoat has a surface energy at least 15 mN/m less than the surface energy of the radiation-cured topcoat. The present invention is furthermore related to a corresponding security feature and it use for the protection of a security document against counterfeiting or fraud.
Public/Granted literature
- US09616699B2 Methods for printing tactile security features Public/Granted day:2017-04-11
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