Organic transition metal compound having .pi.-bonding heterocyclic ligand and method of polymerizing olefin by using the same
US5434116A · kind A · utility
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Key dates
| Filing date | Jun 2, 1993 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Jun 2, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/61912
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A transition metal organometallic compound comprising a transition metal in any one of group 3A to group 8 of the periodic table and cyclic compounds containing a heteroaom in group 5 or group 5B of the periodic table and having a cyclic structure including a .pi.-bonded portion and composed of said heteroatom and said .pi.-bonded portion, wherein said transition metal has a bond of a .pi.-binding heterocylic ligand, said heteroatom and said .pi.-bonded portion and a catalyst for polymerizing olefin comprising the above organic metal compound and an organic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.