Magenta dyes and their use in ink-jet printing

Details Magenta dyes and their use in ink-jet printing Magenta dyes and their use in ink-jet printing

2004-12-06

2008-11-04

Powers, Fiona T (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C534S837000, C106S031480, C106S031520, C347S086000

Reexamination Certificate

active

07446184

ABSTRACT:
A compound of Formula (1) and salts thereof:wherein:Q is an optionally substituted aryl ring;Y is CO2H, SO3H or PO3H2;R and X are substituents;m is 0 to 3;n is 0 to 6; andq is 0 to 6.Also compositions comprising these compounds, ink-jet inks, an ink jet process and an ink-jet cartridge.

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