Patent ID: 7147935

Claim:
A metal coordination compound represented by the following formula: wherein R 1 to R 10 are independently selected from the group consisting of —H, —CH 3 , —C 2 H 5 , —C 3 H 7 , —C 4 H 9 , —C 5 H 11 , —C 6 H 13 , —C 7 H 15 , —C 8 H 17 , —C 9 H 19 —C 10 H 21 , —C 11 H 23 , —C 12 H 25 , —C 13 H 27 , —C 15 H 31 , —C 18 H 37 , —C 19 H 39 , —C 20 H 41 , —CH(HC 3 ) 2 , —C(CH 3 ) 3 , CH 3 O—, C 2 H 5 O—, C 3 H7O—, C 4 H 9 O—, C 5 H 11 O—, C 6 H 13 O—, C 7 H 15 O—, C 12 H 25 O—, —COOC 6 H 13 , —OC(CH 3 ) 3 , —Si(C 4 H 9 ) 3 ,