- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 39/04 - Processes using organic exchangers
Patent holdings for IPC class B01J 39/04
Total number of patents in this class: 211
10-year publication summary
|
15
|
29
|
28
|
12
|
12
|
11
|
13
|
9
|
14
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Organo Corporation | 394 |
8 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
7 |
| Ecolab USA Inc. | 5190 |
7 |
| Evonik Operations GmbH | 3879 |
5 |
| Sony Corporation | 32931 |
4 |
| FUJIFILM Corporation | 27102 |
4 |
| K-technologies, Inc. | 12 |
4 |
| Kurita Water Industries Ltd. | 1110 |
4 |
| Novamont S.p.A. | 354 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Evonik Degussa GmbH | 1574 |
3 |
| Rohm and Haas Company | 2805 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Battelle Energy Alliance, LLC | 569 |
3 |
| Evoqua Water Technologies LLC | 904 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
3 |
| Re-n Technology ApS | 4 |
3 |
| Agc, Inc. | 4029 |
3 |
| CF Technologies, Inc. | 3 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Other owners | 132 |