Supported catalyst systems and methods of using same
US11370860B2 · kind B2 · utility
0Cited by
7References
19Claims
0Family size
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Key dates
| Filing date | Oct 4, 2017 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Sep 24, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/65916
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a catalyst system including the reaction product of a support (such as a fluorided silica support that preferably has not been calcined at a temperature of 400° C. or more), an activator and at least two different transition metal catalyst compounds; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.