- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 41/18 - Carbon, coal or tar
Patent holdings for IPC class B01J 41/18
Total number of patents in this class: 10
10-year publication summary
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0
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0
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0
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0
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0
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1
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0
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1
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daicel Corporation | 2555 |
2 |
| National University Corporation Hokkaido University | 1379 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2965 |
1 |
| Daicen Membrane-systems Ltd. | 24 |
1 |
| Fresenius Medical Care Holdings, Inc. | 1421 |
1 |
| KX Technologies LLC | 148 |
1 |
| Kyushu University, National University Corporation | 1732 |
1 |
| Toxsorb Ltd. | 8 |
1 |
| Other owners | 0 |