Group IIIb metal complexes with “constrained geometry” fluorenyl based ligands
US7388062B2 · kind B2 · utility
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4References
11Claims
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Key dates
| Filing date | Mar 4, 2004 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Mar 4, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/619
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention discloses a metallocene catalyst component based on a Group IIIb metal of the periodic Table and a bridged heteroatom-fluorenyl ligand. It also discloses its method of preparation and its use in polymerisation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.