Bis-phenyl-phenoxy polyolefin catalysts having an alkoxy- or amido-ligand on the metal for improved solubility
US11242415B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Sep 19, 2018 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Oct 18, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: where X is selected from the group consisting of —ORX or NRX2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.