- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 20/286 - Phases chemically bonded to a substrate, e.g. to silica or to polymers
Patent holdings for IPC class B01J 20/286
Total number of patents in this class: 392
10-year publication summary
|
46
|
43
|
37
|
41
|
20
|
20
|
25
|
24
|
28
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 302 |
59 |
| Waters Technologies Corporation | 1691 |
36 |
| Daicel Corporation | 2311 |
16 |
| W. L. Gore & Associates, Inc. | 2657 |
13 |
| EMD Millipore Corporation | 645 |
7 |
| Dionex Corporation | 325 |
7 |
| GE Healthcare BioProcess R&D AB | 42 |
7 |
| Bio-Rad Laboratories, Inc. | 1603 |
6 |
| Solventum Intellectual Properties Company | 3301 |
6 |
| ExxonMobil Research And Engineering Company | 2603 |
5 |
| Kaneka Corporation | 4493 |
5 |
| JSR Corporation | 2507 |
5 |
| Brigham Young University | 598 |
5 |
| GE Healthcare Bio-Sciences AB | 549 |
4 |
| Instraction GmbH | 49 |
4 |
| JNC Corporation | 1543 |
4 |
| Mike-ann, LLC | 4 |
4 |
| Agilent Technologies, Inc. | 2638 |
3 |
| Board of Regents, The University of Texas System | 5725 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10772 |
3 |
| Other owners | 190 |