DISAZO DYES AND INKS CONTAINING THEM
Application 186/MUMNP/2005 published 2006-02-03, filed 2005-03-11
A compound of formula (1) and salts thereof wherein m is 1,2 or 3; R1 and R2 are each independently optionally substituted alkoxy; and R4 and R5 are each independently H, optionally substituted alkyl or optionally substituted aryl; provided that at least one R1 and R2 carries an-OH group. The compounds are useful as dyes for ink jet printing inks. Drawing Sheets. : NIL Total Pages: 17
Applicant
AVECIA LIMITED
HEXAGON HOUSE, BLACKLEY, MANCHESTER M9 8ZS, U.K.
Inventor
1. ROY BRADBURY 2. PRAHALAD MANIBHAI MISTRY
International Info
Classification: C09B 31/08 C09D 11/02
Publication Number: WO 00/43451
Application Date: 2000-01-11
Priority Information
9901417.7 U.K. 1999-01-21