Patent ID: 6140517
Filing Date: 2000-10-31
Classification: A61K,A61Q,C08G,C09B

Abstract:
A polymeric colorant comprising a unit of the formula:.brket open-st.N(R)O.sub.2 S--Ar--X-AQ-X'--Ar'--SO.sub.2 N(R')--R.sub.1 .brket close-st..sub.nwherein:AQ is a divalent anthraquinone radical which may be substituted with from 1 to 6 substituents which may be the same or different and are selected from the group consisting of C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.8 alkanolyamino, aroylamino, C.sub.1 -C.sub.8 alkylthio, halogen, amino, nitro, C.sub.1 -C.sub.8 alkylamino, C.sub.3 -C.sub.8 cycloalkylamino, C.sub.1 -C.sub.8 alkanoyl, C.sub.1 -C.sub.8 alkoxycarbonyl, trifluoromethyl, cyano, C.sub.3 -C.sub.8 cycloalkoxy, C.sub.3 -C.sub.8 cycloalkylthio, heteroarylthio, C.sub.1 -C.sub.8 alkylsulfonyl, arylsulfonyl, aroyl, carbamoyl, sulfamoyl, aroylamino, C.sub.1 -C.sub.8 alkylsulfonamido, arylsulfonamido, arylthio, aryloxy, arylamino or hydroxy groups;X and X' are independently selected from the group consisting of Y, -Y-alkylene, -Y-(alkylene-Y'-).sub.m, -Y-alkylene-C.sub.3 -C.sub.8 -cycloalkylene, Y-C.sub.3 -C.sub.8 -cycloalkylene-Y', and Y-alkylene-C.sub.3 -C.sub.8 -cycloalkylene-alkylene-Y', wherein m is 1-3, and Y and Y' are independently --O--, --S--, --N(R)CO--, --N(R)SO.sub.2 --, or --N(R.sub.2)--;Ar and Ar' are independently a divalent benzene or naphthalene radical which may be substituted with from 1 to 4 C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.8 alkanolyamino, aroylamino, C.sub.1 -C.sub.8 alkylthio or halogen groups;R and R' are independently hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl, heteroaryl or aryl;R.sub.1 is a divalent organic radical, with the proviso that when R.sub.1 is ethylene, R and R' may be combined to represent an ethylene radical;R.sub.2 is selected fom the group consisting of hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.1 -C.sub.8 alkanoyl, aroyl, C.sub.1 -C.sub.8 alkylsulfonyl, arylsulfonyl, carbamoyl, or sulfamoyl; andn is an integer of from about 3 to about 30.