AZO DYES

Application 2341/CHENP/2004 published 2007-09-14, filed 2004-10-18
The present invention relates to an azo dye of formula (I) wherein R1 and R2 are each independently of the other -NH-(CH2CH2)-OH, -NH-CH2-CHOH-CH2-OH, -NH-(CH2CH2)-S-(CH2CH2)-OH, -NH-(CH2CH2)-NH-(CH2CH2)-OH, NH-CH2CH2-CON(CH2CH2OH)2, R3 is -CN or -CONH2, R4 is methyl or trifluoromethyl, R5 is -CF3, -COOC2H5, R6 is hydrogen or chlorine and R7 is hydrogen, chlorine, bromine or -NO2, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles.

Applicant

1)CIBA SPECIALTY CHEMICALS HOLDING INC
:KLYBECKSTRASSE 141, CH-4057 BASEL, SWITZERLAND Switzerland

Inventor

1)DREIER, ROMEO 2)LAUK, URS

International Info

Classification: C09B 29/42
Publication Number: WO 03/080737 A1
Application Date: 2003-03-13

Priority Information

02405224.3 EUROPEAN UNION 2002-03-22