Processes for upgrading hydrocarbon feedstock
US-2025257271-A1 · Aug 14, 2025 · US
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Choi Ki-Hyouk patents
Choi Ki-Hyouk is listed as an inventor on 196 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Choi Ki-Hyouk |
| Total patents | 196 |
| First publication | Apr 14, 2015 |
| Latest publication | Aug 14, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Processes for viscosity breaking of plastics
US-12384971-B2 · Aug 12, 2025 · US
Processes and systems for producing desulfurized alpha olefins
US-12378483-B2 · Aug 5, 2025 · US
Processes for upgrading a hydrocarbon feed
US-12275900-B2 · Apr 15, 2025 · US
Syngas production via supercritical water
US-12240757-B2 · Mar 4, 2025 · US
Processes and systems for producing desulfurized alpha olefins
US-2024218269-A1 · Jul 4, 2024 · US
Processes for viscosity breaking of plastics
US-2024158698-A1 · May 16, 2024 · US
Processes and systems for producing upgraded product from residue
US-11926801-B2 · Mar 12, 2024 · US
Systems and methods for processing hydrocarbon feedstocks
US-11898107-B1 · Feb 13, 2024 · US
Production of high quality diesel by supercritical water process
US-11866654-B2 · Jan 9, 2024 · US
Recent patents
Latest publications not already listed above.
Processes and systems for upgrading crude oil
US-11866653-B1 · Jan 9, 2024 · US
Reactive deasphalting process
US-11866447-B2 · Jan 9, 2024 · US
Processes for viscosity breaking of plastics
US-11802245-B1 · Oct 31, 2023 · US
Systems and methods for processing hydrocarbon feedstocks
US-11767478-B1 · Sep 26, 2023 · US
Lobular catalyst structure and reactor for hydrocarbon conversion by hot and compressed water based processes
US-2023285949-A1 · Sep 14, 2023 · US
Lobular catalyst structure and reactor for hydrocarbon conversion by hot and compressed water based processes
US-11731120-B1 · Aug 22, 2023 · US
Reactive deasphalting process
US-2023242549-A1 · Aug 3, 2023 · US
Systems and processes for producing olefins from crude oil
US-11708314-B2 · Jul 25, 2023 · US
Syngas production via supercritical water
US-2023219812-A1 · Jul 13, 2023 · US
Hydrothermal dehalogenation of chemicals
US-11674088-B1 · Jun 13, 2023 · US
Systems and methods for the synthesizing ZSM-22 zeolites
US-11618013-B2 · Apr 4, 2023 · US
Upgrading of heavy residues by distillation and supercritical water treatment
US-11578273-B1 · Feb 14, 2023 · US
Hydrothermal conversion of plastic to oil
US-11542438-B1 · Jan 3, 2023 · US
Catalyst and process of upgrading heavy oil in the presence of steam
US-11542445-B2 · Jan 3, 2023 · US
Integrated slurry hydroprocessing catalyst and process
US-2022372381-A1 · Nov 24, 2022 · US
Catalyst and process to upgrade heavy oil
US-2022372378-A1 · Nov 24, 2022 · US
Additives for supercritical water process to upgrade heavy oil
US-11479729-B2 · Oct 25, 2022 · US
Systems and processes for hydrocarbon upgrading
US-11466221-B2 · Oct 11, 2022 · US
Systems and methods for the synthesizing zsm-22 zeolites
US-2022297098-A1 · Sep 22, 2022 · US
Catalyst systems and methods of use
US-2022266236-A1 · Aug 25, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Saudi Arabian Oil Co | 196 |
| Univ King Fahd Pet & Minerals | 11 |
| Choi Ki-Hyouk | 5 |
| Punetha Ashok K | 3 |
| Al-Dossary Mohammed R | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C10G31/08 | 105 |
| C10G2300/202 | 74 |
| C10G2300/805 | 66 |
| B01J3/008 | 64 |
| C10G2300/4006 | 58 |