- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 159
10-year publication summary
|
23
|
15
|
21
|
19
|
12
|
11
|
13
|
5
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dionex Corporation | 329 |
16 |
| Cytiva BioProcess R&D AB | 301 |
11 |
| EMD Millipore Corporation | 653 |
8 |
| Asahi Kasei Medical Co., Ltd. | 299 |
6 |
| Rohm and Haas Company | 2852 |
5 |
| Bio-Rad Laboratories, Inc. | 1615 |
5 |
| GE Healthcare Bio-Sciences AB | 555 |
5 |
| Merck Millipore Ltd. | 45 |
5 |
| International N&h Denmark ApS | 295 |
5 |
| Dow Global Technologies LLC | 10156 |
4 |
| Genzyme Corporation | 1211 |
4 |
| Waters Technologies Corporation | 1678 |
4 |
| Hoffmann-La Roche Inc. | 3267 |
3 |
| JNC Corporation | 1532 |
3 |
| Purolite ( China ) Co., Ltd. | 6 |
3 |
| Exopharm Ltd | 20 |
3 |
| Merck Patent GmbH | 5842 |
2 |
| Board of Regents, The University of Texas System | 5619 |
2 |
| Mitsubishi Chemical Corporation | 4447 |
2 |
| President and Fellows of Harvard College | 5913 |
2 |
| Other owners | 61 |