- 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: 158
10-year publication summary
|
15
|
20
|
20
|
9
|
12
|
12
|
10
|
8
|
5
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dionex Corporation | 328 |
26 |
| Cytiva BioProcess R&D AB | 321 |
16 |
| The Trustees of the University of Pennsylvania | 4406 |
11 |
| EMD Millipore Corporation | 634 |
7 |
| Merck Patent GmbH | 5668 |
5 |
| Bio-Rad Laboratories, Inc. | 1612 |
4 |
| Genzyme Corporation | 1339 |
4 |
| MedImmune Limited | 612 |
4 |
| Metrohm AG | 36 |
4 |
| Daicel Corporation | 2469 |
3 |
| GE Healthcare Bio-Sciences AB | 520 |
3 |
| 3m Innovative Properties Company | 17507 |
2 |
| Rohm and Haas Company | 2945 |
2 |
| Dow Global Technologies LLC | 10812 |
2 |
| Board of Regents, The University of Texas System | 6050 |
2 |
| Adimab, LLC | 148 |
2 |
| CSL Behring AG | 186 |
2 |
| Cytune Pharma | 40 |
2 |
| National University Corporation Hokkaido University | 1350 |
2 |
| Orochem Technologies, Inc. | 28 |
2 |
| Other owners | 53 |