Water-based dithiolene infrared inkjet inks

Details Water-based dithiolene infrared inkjet inks Water-based dithiolene infrared inkjet inks

2007-04-17

2007-04-17

Gulakowski, Randy (Department: 1712)

Compositions

Light transmission modifying compositions

Infrared

C106S031270, C347S005000, C347S054000, C347S086000, C347S106000

Reexamination Certificate

active

10815625

ABSTRACT:
The present invention provides an IR-absorbing dye suitable for formulating a water-based inkjet ink, said dye being of formula (I):wherein:M is selected from Ni, Pd or Pt;R10and R11are independently selected from C1-30hydrocarbyl, or R10and R11together are joined to form a C2-30hydrocarbylene group;R12and R13are independently selected from C1-30hydrocarbyl, or R12and R13together are joined to form a C2-30hydrocarbylene group;wherein at least one of R10, R11, R12or R13comprises a hydrophilic group.Dyes of this type are especially suitable for use in NETPAGE and Hyperlabel systems.

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