- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 3/54 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquidsRegeneration of used liquids including a catalytic reaction
Patent holdings for IPC class C01B 3/54
Total number of patents in this class: 38
10-year publication summary
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1
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0
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2
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3
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1
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3
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1
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3
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Korea Institute of Science and Technology | 2152 |
2 |
| Chiyoda Corporation | 399 |
2 |
| Cosmo Oil Co., Ltd. | 203 |
2 |
| IFP Energies Nouvelles | 2961 |
2 |
| Inpex Corporation | 159 |
2 |
| Japan Oil, Gas and Metals National Corporation | 209 |
2 |
| Japan Petroleum Exploration Co., Ltd. | 160 |
2 |
| Nippon Steel & Sumikin Engineering Co., Ltd. | 184 |
2 |
| Casale SA | 622 |
1 |
| Enerkem Inc. | 87 |
1 |
| Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences | 237 |
1 |
| The Industry & Academic Cooperation in Chungnam National University (IAC) | 461 |
1 |
| JX Nippon Oil & Energy Corporation | 999 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4008 |
1 |
| National Institute of Clean-and-low-carbon Energy | 148 |
1 |
| Recarbon, Inc. | 29 |
1 |
| Recargo, Inc. | 53 |
1 |
| Sichuan Techairs Co., Ltd. | 2 |
1 |
| SK Innovation Co., Ltd. | 1365 |
1 |
| Total Raffinage Chimie | 132 |
1 |
| Other owners | 10 |