Olefin polymerization activators
US11447584B2 · kind B2 · utility
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31References
15Claims
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Key dates
| Filing date | Mar 26, 2019 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | May 3, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/65908
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments of this disclosure include processes of polymerizing olefins, the process comprising contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presence of a catalyst system, the catalyst system comprising a Group IV metal-ligand complex and a metallic activator ionic complex, the metallic activator ionic complex comprising an anion and a countercation, the anion having a structure according to formula (I):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.