Slurry loop reactor bad catalyst range control
US11813583B2 · kind B2 · utility
0Cited by
5References
18Claims
0Family size
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Key dates
| Filing date | Aug 20, 2020 |
| Grant date | Nov 14, 2023 |
| Priority date | — |
| Expiry date | Jul 9, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2400/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for maintaining an optimum polymerization process in a continuous loop polymerization reactor by driving a catalyst feed range set-point around a bad catalyst set-point range using a bad catalyst feed rate program to vary the catalyst feed rate for differing periods of time between previously determined good catalyst feed rates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.