- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 380
10-year publication summary
|
36
|
46
|
43
|
37
|
41
|
20
|
19
|
23
|
21
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 287 |
59 |
| Waters Technologies Corporation | 1654 |
31 |
| Daicel Corporation | 2128 |
15 |
| W. L. Gore & Associates, Inc. | 2600 |
13 |
| EMD Millipore Corporation | 657 |
8 |
| Brigham Young University | 580 |
7 |
| Dionex Corporation | 320 |
7 |
| GE Healthcare BioProcess R&D AB | 42 |
7 |
| ExxonMobil Research And Engineering Company | 2830 |
6 |
| Solventum Intellectual Properties Company | 2681 |
6 |
| Kaneka Corporation | 4445 |
5 |
| Bio-Rad Laboratories, Inc. | 1592 |
5 |
| JSR Corporation | 2476 |
4 |
| GE Healthcare Bio-Sciences AB | 570 |
4 |
| Instraction GmbH | 45 |
4 |
| JNC Corporation | 1527 |
4 |
| Mike-ann, LLC | 4 |
4 |
| Merck Patent GmbH | 5909 |
3 |
| Board of Regents, The University of Texas System | 5370 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| Other owners | 182 |