Catalyst systems, olefin polymerization catalyst components comprising at least an internal electron donor compound, and methods of making and using the same
USRE48346E1 · kind E1 · reissue
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Key dates
| Filing date | May 1, 2019 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | May 1, 2039 |
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- Technology area (CPC —)General
Abstract
An olefin polymerization catalyst component comprising an internal electron donor compound shown in formula (I) below is provided in this disclosure: wherein X is O, S, NRa, PRb, or POORc,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.