Biaryl hydroxythiophene group IV transition metal polymerization with chain transfer capability
US12297311B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Mar 5, 2020 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Mar 24, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments of this disclosure include polymerization processes that include contacting propylene and/or one or more (C4-C12)α-olefins in a reactor including a catalyst system. The catalyst system comprises a metal-ligand complex according to formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.