Patent ID: 8362265

Claim:
A metal complex corresponding to the formula: wherein R 1 independently each occurrence is a C 3-12 alkyl group wherein the carbon attached to the phenyl ring is secondary or tertiary substituted; R 2 independently each occurrence is hydrogen or a C 1-12 alkyl group; R 3 is hydrogen, halo or R 1 ; R 4 is hydrogen, alkyl, aryl, aralkyl, trihydrocarbylsilyl, or tri hydrocarbylsilylmethyl of from 1 to 20 carbons; X independently each occurrence is a C 4-20 hydrocarbyl and T is a cycloaliphatic or aromatic group containing one or more rings; with the proviso that the metal complex has a methylcyclohexane solubility at 20° C. (plus or minus 1° C.) of at least 5 percent.