Process for producing alpha-olefin polymers in a multistage polymerization process
US-12577332-B2 · Mar 17, 2026 · US
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Elovainio Erno patents
Elovainio Erno is listed as an inventor on 32 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Elovainio Erno |
| Total patents | 32 |
| First publication | Jun 13, 2019 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for recovering energy
US-2025277460-A1 · Sep 4, 2025 · US
System for producing polyolefin and process for recovering polymerization product from gas phase reactor
US-12397276-B2 · Aug 26, 2025 · US
Method for recovering energy
US-2025257672-A1 · Aug 14, 2025 · US
Process and a multi-stage reactor assembly for the production of polyolefins
US-12290803-B2 · May 6, 2025 · US
Sampling polyolefin intermediates method
US-2025019472-A1 · Jan 16, 2025 · US
Gas phase polymerization process with improved gas recycling
US-2024343839-A1 · Oct 17, 2024 · US
Use of a swelling agent in multi-stage polyolefin production
US-2024301104-A1 · Sep 12, 2024 · US
Improving catalyst performance in multi-stage polyolefin production
US-2024294681-A1 · Sep 5, 2024 · US
Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity
US-12018102-B2 · Jun 25, 2024 · US
Recent patents
Latest publications not already listed above.
Solvent based recycling process of polyolefins
US-2024191052-A1 · Jun 13, 2024 · US
Multi-stage process for producing a C2 to C8 olefin polymer composition
US-11897975-B2 · Feb 13, 2024 · US
Process for the production of polyolefin compositions in a multistage process
US-2024010764-A1 · Jan 11, 2024 · US
Catalyst Feed System
US-2024001317-A1 · Jan 4, 2024 · US
Polymerization reactor system comprising at least one withdrawal valve
US-11708425-B2 · Jul 25, 2023 · US
Process for producing alpha-olefin polymers in a multistage polymerization process
US-2023063000-A1 · Mar 2, 2023 · US
Method for improving the cooling capacity of a gas solids olefin polymerization reactor
US-11559776-B2 · Jan 24, 2023 · US
System for Producing Polyolefin and Process for Recovering Polymerization Product from Gas Phase Reactor
US-2023001374-A1 · Jan 5, 2023 · US
Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor
US-11400429-B2 · Aug 2, 2022 · US
A process and a multi-stage reactor assembly for the production of polyolefins
US-2022234021-A1 · Jul 28, 2022 · US
Process and reactor assembly for the enhancement of hydrodynamics in a gas-solids fluidized bed reactor
US-2022177616-A1 · Jun 9, 2022 · US
Method, an arrangement and use of an arrangement of preparing polymer
US-11220558-B2 · Jan 11, 2022 · US
Method for improving the cooling capacity of a gas solids olefin polymerization reactor
US-2021370255-A1 · Dec 2, 2021 · US
Process and apparatus for removing polymer material from a gas-solids olefin polymerization reactor
US-11179690-B2 · Nov 23, 2021 · US
A multi-stage process for producing a c2 to c8 olefin polymer composition
US-2021317236-A1 · Oct 14, 2021 · US
Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity
US-2021130508-A1 · May 6, 2021 · US
Process and apparatus for removing polymer material from a gas-solids olefin polymerization reactor
US-2021094008-A1 · Apr 1, 2021 · US
Process for feeding a polymerisation catalyst
US-10946357-B2 · Mar 16, 2021 · US
Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor
US-2020346180-A1 · Nov 5, 2020 · US
Polymerization reactor system comprising at least one withdrawal valve
US-2020207879-A1 · Jul 2, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Borealis Ag | 29 |
| Borealis Ag | 3 |
| Borealis Gmbh | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.