SECURITY FEATURES, THEIR USE, AND PROCESSES FOR MAKING THEM

This invention is directed to security features that are formed, created, printed from inks comprising metallic particles and/or metallic nanoparticles. Preferably, the security feature is a reflective security features that comprises metallic nanoparticles where the reflective security features are...

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Main Authors SHAH JAINISHA R, EINHORN RICHARD ANTHONY, HAMPDEN SMITH MARK J, HARDMAN NED JAY, KORNBREKKE RALPH E, BHATIA RIMPLE, HAUBRICH SCOTT THOMAS
Format Patent
LanguageEnglish
Published 04.10.2007
Subjects
BOOK COVERS
BOOKBINDING
DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR
FILES
LOOSE LEAVES
MOVABLE-STRIP WRITING OR READING APPARATUS
PERFORMING OPERATIONS
PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES
PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR
SPECIAL PRINTED MATTER
TRANSPORTING
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Summary:This invention is directed to security features that are formed, created, printed from inks comprising metallic particles and/or metallic nanoparticles. Preferably, the security feature is a reflective security features that comprises metallic nanoparticles where the reflective security features are formed by a direct-writing process, e.g., an ink jet printing process, using an ink comprising metallic nanoparticles. The invention is also directed to the use of these security features in many applications and to processes for making them.
Bibliography:Application Number: KR20077016014