Alkaryl-substituted group 4 metal complexes, catalysts and olefin polymerization process
US6825295B2 · kind B2 · utility
4Cited by
14References
13Claims
0Family size
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Key dates
| Filing date | May 23, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | May 23, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2420/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom, and polymerization processes using the same, characterized by an alkaryl-substituted silane bridging group are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.