Preparation of catalyst system
US12312368B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | May 20, 2020 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Apr 16, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2800/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved preparation process for silica supported catalyst systems, which comprise a specific class of metallocene complexes in combination with a boron containing cocatalyst and an aluminoxane cocatalyst and use of the new, improved catalyst system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.