Light-stabilised ink compositions

Details Light-stabilised ink compositions Light-stabilised ink compositions

C - Chemistry, Metallurgy

07

D

31/162, 6/26, 26

C07D 249/20 (2006.01) B41M 5/025 (2006.01) B41M 5/52 (2006.01) C09D 7/12 (2006.01) C09D 11/00 (2006.01) C09D 11/02 (2006.01) D21H 21/30 (2006.01)

Patent

CA 2023919

2-(2'-Hydroxyphenyl)benzotriazoles of formula 1 (see formula I) wherein R1, R2 and R3 are as defined in claim 1, and which contain at least one -SO3X group in the molecule, are suitable light stabilising additives for aqueous ink compositions, especially for ink jet printing. Some of these compounds are novel compounds.

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