Ink composition comprising first and second optically...

C - Chemistry – Metallurgy – 09 – C

Patent

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C09C 1/00 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2312155

This invention relates to an ink composition comprising two different types of optically variable pigments having a viewing angle dependent shift of colour.

L'invention concerne une composition d'encre comprenant deux types de pigments pouvant varier sur le plan optique et dont le décalage de couleur dépend de l'angle de vision.

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