Patent ID: 8471050

Claim:
An organometallic transition metal compound of the formula (I): where M 1 is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides, the radicals X are identical or different and are each a halogen or an organic radical having from 1 to 40 carbon atoms, with two organic radicals X also being able to be joined to one another, n is a natural number from 1 to 4, R 1 , R 2 , R 3 , R 4 , R 7 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R 5 and R 6 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms or R 5 and R 6 together with the atoms connecting them form a monocyclic or polycyclic, substituted or unsubstituted ring system which has from 1 to 40 carbon atoms and may also contain heteroatoms selected from the group consisting of the elements N, O and S, and R 8 and R 9 are identical or different and each are an organic radical having from 3 to 40 carbon atoms.