- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 3/58 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solidsRegeneration of used solids including a catalytic reaction
Patent holdings for IPC class C01B 3/58
Total number of patents in this class: 207
10-year publication summary
|
14
|
14
|
14
|
14
|
10
|
7
|
9
|
11
|
11
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThermoChem Recovery International, Inc. | 100 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 30711 |
9 |
| Casale SA | 597 |
7 |
| Johnson Matthey Public Limited Company | 1862 |
7 |
| Renaissance Energy Research Corporation | 60 |
6 |
| Topsoe A/S | 873 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3552 |
5 |
| Korea University Research and Business Foundation | 2912 |
4 |
| Lummus Technology Inc. | 306 |
4 |
| Entegris, Inc. | 1862 |
3 |
| National University Corporation Gunma University | 293 |
3 |
| Nisshinbo Holdings Inc. | 362 |
3 |
| Haldor Topsøe A/S | 662 |
3 |
| Sure Champion Investment Limited | 50 |
3 |
| Linde GmbH | 1248 |
3 |
| BASF SE | 20666 |
2 |
| Kao Corporation | 4926 |
2 |
| Battelle Memorial Institute | 2457 |
2 |
| Korea Institute of Science and Technology | 2103 |
2 |
| Korea Advanced Institute of Science and Technology | 4298 |
2 |
| Other owners | 120 |