Patent ID: 8097725

Claim:
A compound having the general Formula I wherein X is a luminophoric moiety, wherein the luminophoric moiety X is an amino-naphthalimide group of the general Formula II in which one of R 5 , R 6 , R 7 , R 8 , R 9 and R 10 is a group —NH— through which X is bound to the group —(CH 2 ) m — and the remainder and R 11 independently are hydrogen, a lipophilic or hydrophilic group or a reactive group for coupling to a polymer; m means the number 0, 1 or 2; and R 1 , R 2 , R 3 and R 4 each independently represent hydrogen, chlorine or fluorine, with the proviso that at least one of R 1 , R 2 , R 3 and R 4 represent chlorine or fluorine.