Decolorable ink for inkjet printing and inkjet printing...

Details Decolorable ink for inkjet printing and inkjet printing... Decolorable ink for inkjet printing and inkjet printing...

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01) B41J 2/01 (2006.01) B41M 5/00 (2006.01)

Patent

CA 2445416

A decoloring ink for ink jet printing containing an ang-khak pigment. An inclusion of an ang-khak pigment enables printed characters and/or images to be preserved as long as they are kept in the dark, but they are quickly decolored on exposure to visible light and/or ultraviolet light when they are no longer needed.

L'invention concerne une encre décolorante pour impression par jet d'encre contenant un pigment de Monascus purpureus. Une inclusion d'un pigment de Monascus purpureus permet de préserver des caractères imprimés et/ou des images aussi longtemps qu'ils sont maintenus dans la pénombre, mais ces caractères sont rapidement décolorés dès qu'ils sont exposés à une lumière visible et/ou à une lumière ultraviolette lorsqu'ils sont devenus inutiles.

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