C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 11/00 (2006.01) B42D 15/00 (2006.01)
Patent
CA 2652009
A composition comprising an ink and an infrared-absorbing material wherein said infrared- absorbing material comprises a metal, a metal salt, a metal oxide or metal nitride is described. Also described is an article comprising a substrate having imaged thereon an infrared- absorbing material to form a security image; and a method of manufacture of such an article said method comprising image-wise applying substrate a composition comprising an infrared-absorbing material.
L'invention concerne une composition comprenant une encre et un matériau absorbant les infrarouges, ledit matériau absorbant les infrarouges comprenant un métal, un sel métallique, un oxyde métallique ou un nitrure métallique. L'invention concerne également un article comprenant un substrat sur lequel est imagé un matériau absorbant les infrarouges pour former une image de sécurité, et un procédé de fabrication d'un tel article qui consiste à appliquer à un substrat l'image d'une composition comprenant un matériau absorbant les infrarouges.
Broadbent Peter Jeffrey
Lewis David Malcolm
Inovink Limited
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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