Polymerization catalysts, organic transition metal compounds, process for preparing polyolefins and polyolefins
US7544749B2 · kind B2 · utility
15Cited by
5References
8Claims
0Family size
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Key dates
| Filing date | Feb 5, 2004 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Feb 5, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/03
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A catalyst system obtained by reacting at least one chiral transition metal compound and at least one cocatalyst, where the chiral transition metal compound is a transition metal compound of formula (Ia) or one of its enantiomers of the formula (Ia*),where
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.