UV-VIS radiation curable security inks for producing dichroic security features

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12215242
APP PUB NO 20240018378A1
SERIAL NO

18252452

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a UV-Vis radiation curable security ink for producing a security feature for securing value documents, wherein said security feature exhibits a blue color upon viewing in transmitted light and a metallic yellow color upon viewing in incident light. The UV-Vis radiation curable security ink comprises a cationically curable or a hybrid curable ink vehicle, and silver nanoplatelets bearing a surface stabilizing agent of general formula (I)

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Patent Owner(s)

  • SICPA HOLDING SA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Demartin, Maeder Marlyse La Sarraz, CH 8 70
Grigorenko, Nikolay Möhlin, CH 3 1
Oswald, Andre Rheinfelden, DE 10 4
Pittet, Hervé Chatel-St-Denis, CH 6 2
Veya, Patrick Aclens, CH 24 119

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