Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives
US7087773B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | May 22, 2003 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | May 22, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Group 4 metal constrained geometry complexes comprising tricyclic 4-arylsubstituted indenyl ligands, especially 1,5,6,7-tetrahydro-4-aryl-s-indacen-1-yl ligands, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.