Magenta metal chelate dyes and their use in ink-jet printers

Details Magenta metal chelate dyes and their use in ink-jet printers Magenta metal chelate dyes and their use in ink-jet printers

2007-07-03

2007-07-03

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031500, C106S031770, C106S031780, C534S707000, C347S100000

Reexamination Certificate

active

10547283

ABSTRACT:
A metal chelate compound of Formula: (1) or a salt thereof: [A—N═N—B] M (1) wherein: A is a 5- or 6-membered heterocyclic ring other than a triazole ring, optionally carrying one or more substituents; B is of the Formula (2a) or (2b). Formula (2a) (2b) wherein: X, Y and W are substituents other than H; M is a metal chelated to A—N═N—B; and n is 0 to 4. Also claimed are compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and an inkjet printer cartridge containing the ink

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