- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 41/04 - Processes using organic exchangers
Patent holdings for IPC class B01J 41/04
Total number of patents in this class: 185
10-year publication summary
|
18
|
21
|
10
|
9
|
13
|
9
|
10
|
15
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Organo Corporation | 472 |
8 |
| Asahi Glass Company, Limited | 2772 |
6 |
| Dionex Corporation | 329 |
6 |
| Kurita Water Industries Ltd. | 1195 |
4 |
| Lanxess Deutschland GmbH | 1114 |
4 |
| Chemra GmbH | 6 |
4 |
| BASF SE | 20940 |
3 |
| Sony Corporation | 31025 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
3 |
| Merck Patent GmbH | 5815 |
3 |
| FUJIFILM Corporation | 29437 |
3 |
| Daikin Industries, Ltd. | 10027 |
3 |
| Rohm and Haas Company | 2880 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3468 |
3 |
| Nomura Micro Science Co., Ltd. | 80 |
3 |
| DDP Specialty Electronic Materials US, LLC | 837 |
3 |
| Dow Global Technologies LLC | 10360 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2644 |
2 |
| Astom Corporation | 33 |
2 |
| The Chemours Company Fc, LLC | 1241 |
2 |
| Other owners | 115 |