Biaryl phenoxy group IV transition metal catalysts for olefin polymerization
US11168161B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jun 20, 2018 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Jun 20, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments are directed to catalyst systems comprising at least one metal ligand complex and to processes for polyolefin polymerization incorporating the catalyst systems. The metal ligand complexes have the following structures: (I)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.