Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors
US-12565545-B2 · Mar 3, 2026 · US
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Kufeld Scott E patents
Kufeld Scott E is listed as an inventor on 116 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kufeld Scott E |
| Total patents | 116 |
| First publication | Jan 8, 2015 |
| Latest publication | Mar 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors
US-2025236687-A1 · Jul 24, 2025 · US
Multiple Reactor and Multiple Zone Polyolefin Polymerization
US-2025223383-A1 · Jul 10, 2025 · US
Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors
US-12319774-B1 · Jun 3, 2025 · US
Multiple reactor and multiple zone polyolefin polymerization
US-12252558-B2 · Mar 18, 2025 · US
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-12195562-B2 · Jan 14, 2025 · US
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-2024400729-A1 · Dec 5, 2024 · US
Catalyst slurry mixing process and system
US-12115506-B2 · Oct 15, 2024 · US
Reactor jacket design
US-11969725-B2 · Apr 30, 2024 · US
Multiple Reactor and Multiple Zone Polyolefin Polymerization
US-2024059807-A1 · Feb 22, 2024 · US
Recent patents
Latest publications not already listed above.
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-2024059808-A1 · Feb 22, 2024 · US
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-11845814-B2 · Dec 19, 2023 · US
Multiple reactor and multiple zone polyolefin polymerization
US-11845815-B2 · Dec 19, 2023 · US
Catalyst Slurry Mixing Process and System
US-2023390718-A1 · Dec 7, 2023 · US
Catalyst slurry mixing process and system
US-11833479-B2 · Dec 5, 2023 · US
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-11767378-B2 · Sep 26, 2023 · US
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-2023242684-A1 · Aug 3, 2023 · US
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-2023242685-A1 · Aug 3, 2023 · US
Metallocene catalyst systems with chemically-treated solid oxides for producing ethylene-based plastomers and elastomers
US-11667738-B2 · Jun 6, 2023 · US
Multiple Reactor and Multiple Zone Polyolefin Polymerization
US-2023159674-A1 · May 25, 2023 · US
Reactor jacket design
US-2023046752-A1 · Feb 16, 2023 · US
Multiple reactor and multiple zone polyolefin polymerization
US-11548957-B2 · Jan 10, 2023 · US
Metallocene Catalyst Systems With Chemically-Treated Solid Oxides For Producing Ethylene-Based Plastomers And Elastomers
US-2022356278-A1 · Nov 10, 2022 · US
Reactor jacket design
US-11478768-B2 · Oct 25, 2022 · US
Metallocene catalyst systems with chemically-treated solid oxides for producing ethylene-based plastomers and elastomers
US-11466108-B2 · Oct 11, 2022 · US
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US-11466104-B1 · Oct 11, 2022 · US
Metallocene Catalyst Systems With Chemically-Treated Solid Oxides For Producing Ethylene-Based Plastomers And Elastomers
US-2022177619-A1 · Jun 9, 2022 · US
Metallocene catalyst systems with chemically-treated solid oxides for producing ethylene-based plastomers and elastomers
US-11326003-B2 · May 10, 2022 · US
Systems and methods for polyethylene recovery with low volatile content
US-11312797-B2 · Apr 26, 2022 · US
Metallocene Catalyst Systems With Chemically-Treated Solid Oxides For Producing Ethylene-Based Plastomers And Elastomers
US-2022017668-A1 · Jan 20, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Chevron Phillips Chemical Co Lp | 93 |
| Chevron Phillips Chemical Co | 30 |
| Chevron Philips Chemical Company Lp | 4 |
| Chevron Phillips Chemical Company Llp | 1 |
| Kufeld Scott E | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C08F10/02 | 71 |
| C08F2/01 | 53 |
| B01J19/245 | 51 |
| B01J19/2435 | 50 |
| C08F110/02 | 44 |