- 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: 156
10-year publication summary
|
15
|
20
|
20
|
9
|
12
|
12
|
8
|
7
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dionex Corporation | 326 |
26 |
| Cytiva BioProcess R&D AB | 313 |
16 |
| The Trustees of the University of Pennsylvania | 4384 |
11 |
| EMD Millipore Corporation | 640 |
7 |
| Merck Patent GmbH | 5724 |
5 |
| Bio-Rad Laboratories, Inc. | 1613 |
4 |
| Genzyme Corporation | 1319 |
4 |
| MedImmune Limited | 619 |
4 |
| Daicel Corporation | 2432 |
3 |
| GE Healthcare Bio-Sciences AB | 526 |
3 |
| Metrohm AG | 36 |
3 |
| 3m Innovative Properties Company | 17592 |
2 |
| Rohm and Haas Company | 2942 |
2 |
| Dow Global Technologies LLC | 10701 |
2 |
| Board of Regents, The University of Texas System | 6010 |
2 |
| Adimab, LLC | 149 |
2 |
| CSL Behring AG | 181 |
2 |
| Cytune Pharma | 39 |
2 |
| National University Corporation Hokkaido University | 1347 |
2 |
| Orochem Technologies, Inc. | 28 |
2 |
| Other owners | 52 |