- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
Patent holdings for IPC class B01D 15/38
Total number of patents in this class: 1508
10-year publication summary
|
115
|
113
|
143
|
131
|
108
|
134
|
115
|
130
|
125
|
10
|
| 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 | 313 |
89 |
| Waters Technologies Corporation | 1762 |
46 |
| Bio-Rad Laboratories, Inc. | 1613 |
34 |
| Bristol-myers Squibb Company | 4810 |
21 |
| Genzyme Corporation | 1319 |
21 |
| GE Healthcare Bio-Sciences AB | 526 |
19 |
| Regeneron Pharmaceuticals, Inc. | 4523 |
19 |
| EMD Millipore Corporation | 640 |
18 |
| Genentech, Inc. | 4038 |
17 |
| Merck Patent GmbH | 5724 |
17 |
| Kaneka Corporation | 4641 |
17 |
| JSR Corporation | 2545 |
16 |
| W. L. Gore & Associates, Inc. | 2714 |
16 |
| Donaldson Company, Inc. | 1589 |
15 |
| Amgen Inc. | 4301 |
14 |
| Hoffmann-La Roche Inc. | 3612 |
11 |
| The Trustees of the University of Pennsylvania | 4384 |
11 |
| Miltenyi Biotec B.V. & Co. KG | 376 |
11 |
| Cytiva Sweden AB | 773 |
11 |
| The Regents of the University of California | 20378 |
9 |
| Other owners | 1076 |