Printing ink for safe marking on a data carrier

Details Printing ink for safe marking on a data carrier Printing ink for safe marking on a data carrier

C - Chemistry, Metallurgy

09

D

C09D 11/02 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01) C08K 3/04 (2006.01) C09D 5/32 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2275576

The invention relates to a printing ink containing an IR-absorbing additive which can be applied to protect documents and for machine recognition. To this end, the invention provides that graphite be used as an IR-absorbing additive.

L'invention concerne une encre d'imprimerie contenant un additif qui absorbe les rayons infrarouges. Ladite encre peut être appliquée pour protéger des documents et à des fins de reconnaissance par une machine. A cet effet, on utilise du graphite en tant qu'additif absorbant les rayons infrarouges.

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