- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 41/20 - Anion exchangers for chromatographic processes
Patent holdings for IPC class B01J 41/20
Total number of patents in this class: 148
10-year publication summary
|
13
|
15
|
20
|
20
|
9
|
12
|
12
|
9
|
7
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dionex Corporation | 330 |
26 |
| Cytiva BioProcess R&D AB | 303 |
13 |
| The Trustees of the University of Pennsylvania | 4323 |
9 |
| EMD Millipore Corporation | 649 |
7 |
| Merck Patent GmbH | 5823 |
5 |
| Bio-Rad Laboratories, Inc. | 1617 |
4 |
| Genzyme Corporation | 1261 |
4 |
| MedImmune Limited | 617 |
4 |
| GE Healthcare Bio-Sciences AB | 541 |
3 |
| Metrohm AG | 34 |
3 |
| 3m Innovative Properties Company | 17819 |
2 |
| Rohm and Haas Company | 2870 |
2 |
| Dow Global Technologies LLC | 10332 |
2 |
| Board of Regents, The University of Texas System | 5803 |
2 |
| Adimab, LLC | 144 |
2 |
| CSL Behring AG | 173 |
2 |
| Cytune Pharma | 39 |
2 |
| Daicel Corporation | 2348 |
2 |
| Orochem Technologies, Inc. | 28 |
2 |
| Sekisui Medical Co., Ltd. | 664 |
2 |
| Other owners | 50 |