Process for producing a prepolymerized solid Ziegler-Natta catalyst
US12344683B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Sep 20, 2019 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Feb 4, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing a prepolymerized solid Ziegler-Natta catalyst in batch mode, a prepolymerized solid Ziegler-Natta catalyst, a process for producing a propylene polymer using said prepolymerized solid Ziegler-Natta catalyst, a prepolymerized solid Ziegler-Natta catalyst obtained by a process as well as the use of the prepolymerized solid Ziegler-Natta catalyst in a process for producing a propylene polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.