| abstract |
A charge controlling agent for electrostatic image development, which is a metallic compound of a compound of the formula (I):n wherein each of A and R is a substituted or unsubstituted aromatic ring residue, and -O and -CONH-R are bonded to positions adjacent to each other on the aromatic ring residue A, or the formula (II):n wherein each of A 1 , A 2 , R 1 and R 2 is a substituted or unsubstituted aromatic ring residue, n is an integer, and -O and -CONHR 1 , and -O and -CONH-R 2 , are bonded to positions adjacent to each other on the aromatic ring residues A 1 and A 2 , respectively. |