Patent ID: 7250102

Claim:
An electroplating composition comprising: (a) CA•(nAl(C 3 H 7 ) 3 (2−n)AlR 3 ) wherein: n is 0 to 2; C is Li, Na, K, Rb, Cs, NR 1 4, or mixtures thereof, in which R 1 is C 1 -C 8 alkyl, or mixtures thereof A is H, F, Cl, Br or mixtures thereof; R is H, halogen, C 1 -C 8 alkyl, or mixtures thereof; (b) one or more of (i) an aluminum alkyl compound of the formula R 1 AIR 2 wherein R is as defined above and R 1 is a C 1 -C 8 alkyl group; (ii) an alkoxy aluminum compound of the formula R 5 2 Al(OR 5 ) 3-p , where p is 0, 1 or 2 and R 5 is a C 1 -C 8 alkyl; (iii) an alkoxy aluminum alkyl compound of the formula R 5 2 Al—O—(C 2 H 4 O) q —AlR 5 2 or R 5 2 Al—O—(C 2 H 4 O) q —R 5 , where R 5 is as defined above and q is 1, 2, 3 or 4; or (iv) an aluminoxane compound of the formula R 4 2 Al—(O—AlR 4 2 ) m —OAlR 4 2 or (R 4 AlO) n where m is an integer from 1-8, n is an integer from 3-8, and R 4 is a C 1 -C 8 alkyl; and (c) an aromatic hydrocarbon, aliphatic hydrocarbon or mixtures thereof.