Patent ID: 6540820
Filing Date: 2003-04-01
Classification: C09B,C09D,G03G

Abstract:
A polymer-soluble colorant of the formula: where R1, R2, R3, R4, R5, R6, R7, R8, Râ€²5, Râ€²6, Râ€²7, Râ€²8 are halogen, hydroxy, â€”NO2, â€”CN, â€”CF3, â€”CONH2, C1-12alkyl, phenyl, naphthyl, phenanthryl, anthryl, R9R10Nâ€”, R9â€”Oâ€” or R9â€”Sâ€”, â€”CONHR10, â€”CONR9R10 in which R9 and R10 are C1-C6-alkyl, C6-C10-aryl, (C6-C10)-aryl-(C1-C6)-alkyl or (C1-C6)-alkyl-(C6-C10)-aryl, in which the alkyl and/or aryl radicals can optionally be substituted by hydroxyl, C1-C6-alkoxy, C6-C10-aryloxy or halogen.