Pyridyl hydroxyl amine catalyst compounds and systems for Olefin Polymerization
US11814460B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Oct 19, 2021 |
| Grant date | Nov 14, 2023 |
| Priority date | — |
| Expiry date | Dec 31, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/65912
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present disclosure provides pyridyl hydroxyl amine catalyst compounds and systems containing the compounds. The present disclosure is also directed to polymerization processes to produce polyolefin polymers from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support. The compounds are represented by Formula I(a), I(b) or I(c):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.