Ink composition comprising optically variable pigments, use...

Details Ink composition comprising optically variable pigments, use... Ink composition comprising optically variable pigments, use...

C - Chemistry, Metallurgy

09

C

C09C 1/00 (2006.01) C09D 5/36 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2457862

The invention relates to passivated optically variable pigment, a method of preparing said passivated optically variable pigment, an ink composition comprising said passivated optically variable pigment, the use of said ink composition, and a document carrying a marking made with said ink composition.

L'invention porte sur un pigment passivé à variabilité optique, sur son procédé de préparation, sur une composition d'encre comprenant ce pigment, sur l'utilisation de cette composition d'encre et sur un document supportant une marque produite par cette composition d'encre.

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