- 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: 8
10-year publication summary
|
2
|
0
|
0
|
0
|
0
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0
|
1
|
0
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1
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arizona Board of Regents on behalf of Arizona State University | 2516 |
1 |
| Daicel Corporation | 2274 |
1 |
| Daicen Membrane-systems Ltd. | 22 |
1 |
| Fresenius Medical Care Holdings, Inc. | 1394 |
1 |
| KX Technologies LLC | 151 |
1 |
| Kyushu University, National University Corporation | 1633 |
1 |
| National University Corporation Hokkaido University | 1325 |
1 |
| Toxsorb Ltd. | 7 |
1 |
| Other owners | 0 |