Patent ID: 6475590
Filing Date: 2002-11-05
Classification: C07C,C09B,G11B

Abstract:
An aminium salt or diimonium salt compound consisting the aminium or diimonium cation and an anion, said aminium cation having a skeletal structure represented by Formula (1) as described below: (in the formula (1), m is an integer of 1 or 2), said diimonium cation having a skeletal structure represented by Formula (2) as described below: (in the formula (2), m is an integer of 1 or 2),wherein the two nitrogen atoms (quaternary nitrogen atoms in Formula (2)) bound to the ring A in Formula (1) or Formula (2) bind to the four phenyl groups B, and wherein the phenyl groups B are optionally each substituted at their respective 4-positions with an amino group, and at least one of said four amino groups has a cyanoalkyl group as a substituent.