- 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: 383
10-year publication summary
|
43
|
37
|
41
|
20
|
20
|
25
|
24
|
30
|
13
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 322 |
58 |
| Waters Technologies Corporation | 1795 |
39 |
| Daicel Corporation | 2508 |
17 |
| W. L. Gore & Associates, Inc. | 2719 |
9 |
| EMD Millipore Corporation | 631 |
7 |
| Bio-Rad Laboratories, Inc. | 1611 |
7 |
| Dionex Corporation | 339 |
7 |
| GE Healthcare BioProcess R&D AB | 42 |
7 |
| Merck Patent GmbH | 5725 |
6 |
| Solventum Intellectual Properties Company | 3415 |
6 |
| ExxonMobil Research And Engineering Company | 2425 |
5 |
| Kaneka Corporation | 4693 |
5 |
| Brigham Young University | 598 |
5 |
| Instraction GmbH | 48 |
5 |
| JNC Corporation | 1548 |
4 |
| NorthStar Medical Technologies, LLC | 49 |
4 |
| Agilent Technologies, Inc. | 2637 |
3 |
| Board of Regents, The University of Texas System | 6102 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
3 |
| Phenomenex, Inc. | 57 |
3 |
| Other owners | 180 |