Patent ID: 6620858
Filing Date: 2003-09-16
Classification: C08F,C09B,C09D,C09J

Abstract:
A photopolymerizable colorant compound having tie formula: whereinA is a mono-, di-, tri- or tetravalent chromophore; R1 is hydrogen, C1-C6 alkyl, substituted C1-C6 alkyl, C3-C8 cycloalkyl, aryl or â€”R2â€”OQ; R2 is C2-C8 alkylene, arylene, C3-C8 cycloalkylene, arylene-C1-C6 alkylene, arylene-oxy-C1-C6 alkylene, arylenethio-C1-C6 alkylene, 1,4-cyclohexylenedimethylene or â€”(â€”CH2CH2O)mâ€”CH2CH2â€”; m is 1-3; n is 1-4; Q is an ethylenically-unsaturated, photopolymerizable group selected from the following organic radicals: whereinR3 is hydrogen or C1-C6 alkyl; R4 is hydrogen, C1-C6 alkyl; phenyl; phenyl substituted with one or more groups selected from C1-C6 alkyl, C1-C6 alkoxy, â€”N(C1-C6 alkyl)2, nitro, cyano, C2-C6 alkoxycarbonyl, C2-C6 alkanoyloxy or halogen; 1- or 2-naphthyl; 1- or 2-naphthyl substituted with C1-C6 alkyl or C1-C6 alkoxy; 2- or 3-thienyl; 2- or 3-thienyl substituted with C1-C6 alkyl or halogen; 2- or 3-furyl; or 2- or 3-furyl substituted with C1-C6 alkyl; R5 and R6 are independently selected from hydrogen, C1-C6 alkyl, substituted C1-C6 alkyl, aryl or may be combined to represent a â€”(â€”CH2â€”)â€”3-5 radical; R7 is hydrogen or C1-C6 alkyl, substituted C1-C6 alkyl, C3-C8 alkenyl, C3-C8 cycloalkyl or aryl; R8 is selected from hydrogen, C1-C6 alkyl or aryl; and A is a chromophore selected from residues of anthraquinone, anthrapyridone, anthrapyrimidine, anthrapyridine, anthrapyrazole, anthraisothiazole, 14H-naptho[2,3-a]-phenothiazine-8,13-dione, methine, bis-methine, perinone, coumarin, quinophthalone, 3-aryl-2,5-dioxypyrroline, or 3-aryl-5-dicyanomethylene-2-oxypyrroline.