| abstract |
Ink compositions containing ultraviolet absorbing compounds of formula Iwherein R1, R2 and R3 are defined herein, and wherein the compound contains one or two -SO3M groups, one -SO3M and one -CO2M group, or two -CO2M groups. Ink jet ink compositions containing ultraviolet absorbing compounds of formula IVwherein R2, R3, R4, R5 and R6 are defined herein, and wherein the compound contains one or two -SO3M groups, one -SO3M and one -CO2M group or two -CO2M groups, with the provision that either (1) R2 and R3 are not both hydrogen, or (2) R5 is not hydrogen. The ink compositions are adapted for ink jet printing. |