Patent ID: 6838506

Claim:
A cationically electrodepositable coating material comprising: (A) a resin for a cationically electrodepositable coating material and (B) a hydrotalcite solid solution represented by the following Formula (1): [(Mg 2+ ) y (M 2 2+ ) (1−y) ] (1−x) (M 1 3+ ) x (OH) 2 A n− (x/n) ·mH 2 O (1) wherein M 2 2+ represents at least one divalent metal selected from the group consisting of Zn and Ca; M 1 3+ represents at least one trivalent metal selected from the group consisting of Al and Fe; A n− represents a n-valent anion; and x, y and m each are integers satisfying the following condition: 0<x≦0.5, 0<y<1, 0≦m<2 and (C) a basic bismuth compound and/or an organic acid salt thereof.