Patent ID: 7619093

Claim:
An organometallic compound selected from wherein R 1 , R 2 , R 3 , R 4 each represents hydrogen, R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are the same or different and each represents hydrogen, a halogen atom, an acyl group having from 1 to about 12 carbon atoms, an alkoxy group having from 1 to about 12 carbon atoms, an alkoxycarbonyl group having from 1 to about 12 carbon atoms, an alkyl group having from 1 to about 12 carbon atoms, an amine group having from 1 to about 12 carbon atoms or a silyl group having from 0 to about 12 carbon atoms; and wherein said organometallic compound is a liquid at 20° C. and atmospheric pressure.