MAGENTA DYES AND INKS FOR USE IN INK-JET PRINTING

WIPO Patent Application WO/2010/070312

A3

A compound of Formula (1) and salts thereof: wherein: R1 and R2 are independently H or optionally substituted C1-4alkyl; R3 is optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl; R4 and R5 are independently H, optionally substituted alkyl optionally substituted aryl or optionally substituted heteroaryl with the proviso that R4 and R5 do not carry a carboxylic acid substituent; X and Y are independently an acetyl group, an acetate ester group, an amide group, a sulfoxide group, a sulfone group, a phosphonate group, a nitro group, a nitrile group, an isonitrile group, a quaternary amine, a carbonyl group (other than a carboxylic acid), a polyhaloalkyl group or a halogen atom; a + b = 0 to 4; n = 1 to 6; and m is greater than 0: provided that the compounds of Formula (1) contain at least one substituent selected from the group consisting of -SO3H and -PO3H2. Also compositions, inks, printing processes, printed materials and ink-jet cartridges.

FOSTER CLIVE (GB)
FUJIWARA TOSHIKI (JP)
WRIGHT GAVIN (GB)

PCT/GB2009/051603

August 26, 2010

November 26, 2009

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FUJIFILM IMAGING COLORANTS LTD (GB)
FUJIFILM CORP (JP)
FOSTER CLIVE (GB)
FUJIWARA TOSHIKI (JP)
WRIGHT GAVIN (GB)

C09B29/42; C09B29/033; C09D11/02

WO2008142369A1

2008-11-27

US7108743B2	2006-09-19
US20040126702A1	2004-07-01
EP1498888A2	2005-01-19
US20070117031A1	2007-05-24

MORPETH, Fraser (Hexagon Tower, Manchester M9 8ZS, GB)

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