- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 39/04 - Processes using organic exchangers
Patent holdings for IPC class B01J 39/04
Total number of patents in this class: 215
10-year publication summary
|
25
|
28
|
12
|
12
|
12
|
11
|
9
|
14
|
10
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Organo Corporation | 507 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2719 |
7 |
| Ecolab USA Inc. | 5598 |
7 |
| Kurita Water Industries Ltd. | 1230 |
5 |
| Evonik Operations GmbH | 4172 |
5 |
| Sony Corporation | 30787 |
4 |
| FUJIFILM Corporation | 29817 |
4 |
| Evoqua Water Technologies LLC | 922 |
4 |
| K-technologies, Inc. | 13 |
4 |
| Novamont S.p.A. | 359 |
4 |
| Agc, Inc. | 5018 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8875 |
3 |
| Evonik Degussa GmbH | 1460 |
3 |
| Battelle Energy Alliance, LLC | 594 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3499 |
3 |
| Re-n Technology ApS | 4 |
3 |
| CF Technologies, Inc. | 3 |
3 |
| DDP Specialty Electronic Materials US, LLC | 843 |
3 |
| 3m Innovative Properties Company | 17730 |
2 |
| LG Chem, Ltd. | 17679 |
2 |
| Other owners | 133 |