Solvent-based pen inks

Details Solvent-based pen inks Solvent-based pen inks

C - Chemistry, Metallurgy

09

D

C09D 11/16 (2006.01) C09D 11/18 (2006.01)

Patent

CA 2358772

Solvent-based pen inks are provided. The inks include an acid dye and a solvent system that includes an oxa acid solvent, the oxa acid solvent functioning as the primary solvent for the acid dye. Preferred inks are eradicable, and include an acid dye that decolorizes if contacted with a decolorizing compound.

L'invention concerne des encres à base de solvants pour stylos. Les encres contiennent un colorant acide et un système de solvants contenant un solvant oxacide, le solvant oxacide faisant office de solvant primaire pour le colorant acide. Les encres préférées sont effaçables et elles contiennent un colorant acide se décolorant au contact d'un composé décolorant.

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