- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 39/26 - Cation exchangers for chromatographic processes
Patent holdings for IPC class B01J 39/26
Total number of patents in this class: 158
10-year publication summary
|
23
|
15
|
21
|
19
|
11
|
11
|
12
|
4
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dionex Corporation | 326 |
16 |
| Cytiva BioProcess R&D AB | 311 |
10 |
| EMD Millipore Corporation | 640 |
8 |
| Rohm and Haas Company | 2936 |
5 |
| Bio-Rad Laboratories, Inc. | 1620 |
5 |
| Merck Millipore Ltd. | 38 |
5 |
| International N&h Denmark ApS | 358 |
5 |
| Dow Global Technologies LLC | 10571 |
4 |
| Genzyme Corporation | 1314 |
4 |
| Waters Technologies Corporation | 1748 |
4 |
| Hoffmann-La Roche Inc. | 3546 |
3 |
| Asahi Kasei Medical Co., Ltd. | 234 |
3 |
| GE Healthcare Bio-Sciences AB | 531 |
3 |
| JNC Corporation | 1507 |
3 |
| Purolite ( China ) Co., Ltd. | 6 |
3 |
| Exopharm Ltd | 17 |
3 |
| Asahi Kasei Life Science Corporation | 66 |
3 |
| Merck Patent GmbH | 5752 |
2 |
| Board of Regents, The University of Texas System | 5946 |
2 |
| Mitsubishi Chemical Corporation | 4612 |
2 |
| Other owners | 65 |