Ziegler-natta—metallocene dual catalyst systems with activator-supports
US9540457B1 · kind B1 · utility
47Cited by
86References
20Claims
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Key dates
| Filing date | Sep 24, 2015 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Sep 24, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/07
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Catalyst systems having both a metallocene catalyst component and a Ziegler-type catalyst component are disclosed. Such catalyst systems can contain a metallocene compound, a co-catalyst, and a supported catalyst containing a fluorided silica-coated alumina, a magnesium compound, and vanadium and/or tetravalent titanium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.