C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/62 (2006.01) C09C 1/00 (2006.01) C09D 5/36 (2006.01) C09D 11/02 (2006.01)
Patent
CA 2339489
Inorganic sheets (10) of at least two surperposed layers are provided with one or more symbols (20) which have a size of between 1 and 10 µm. The inorganic sheet is made up into pigment flakes (15). The symbols on the pigment flakes (15) allow a tracing of compositions such as printing inks or paintings and of substrates carrying such compositions.
La présente invention concerne des feuilles inorganiques (10) constituées d'au moins deux couches superposées, comportant un ou plusieurs symboles (20) dont la taille est comprise entre 1 et 10 mu m. La feuille inorganique est composée de flocons de pigments (15). Les symboles sur les flocons de pigment (15) permettent de détecter d'une part des compositions telles que les encres d'impression ou les peintures, et d'autres part les substrats comportant de telles compositions.
Bleikolm Anton
Muller Edgar
Rozumek Olivier
Mcfadden Fincham
Sicpa Holding S.a.
Sicpa Holding Sa
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