Appeal No. 1996-0740
Application No. 08/107,146
CN, NHCOCH , NH , hydroxy, sulpho or3 2
carboxy;
A is phenylene, substituted phenylene,
C -alkylene or substituted C -alkylene,1-6 1-6
wherein the substituent is selected from
CH , OCH , halo, NO , CN, NHCOCH , NH ,3 3 2 3 2
hydroxy, sulpho and carboxy;
Q is halo, tri-(C )alkylammonium or a
1-4
pyridinium group;
B is phenylene, phenylene substituted by 1 or
2 sulpho groups or phenylene substituted by
an alkyl or alkoxy group;
Z is H or alkyl; and
X and Y are each independently H, alkyl, alkoxy,
halogen, carboxy or sulpho;
provided that r+m does not exceed 4.
-2-
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