Laser marking method

G - Physics – 03 – C

Patent

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Details

G03C 1/73 (2006.01) B41M 5/00 (2006.01) B41M 5/26 (2006.01) B41M 5/30 (2006.01) B41M 5/333 (2006.01) C09B 67/00 (2006.01) C09B 67/28 (2006.01) G03C 1/00 (2006.01) G03F 7/00 (2006.01) G03F 7/105 (2006.01)

Patent

CA 2448380

A method of colouring a polymeric material containing a) a latent acid, b) a colour former and c) optionally further ingredients by irradiation with UV- light.

Procédé de coloration d'un matériau polymère contenant (a) un acide latent, (b) une substance chromogène et (c) éventuellement d'autres ingrédients, par irradiation au moyen de lumière ultraviolette.

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