- 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: 1447
10-year publication summary
|
126
|
120
|
116
|
150
|
138
|
113
|
146
|
125
|
134
|
77
|
| 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 |
85 |
| Waters Technologies Corporation | 1697 |
43 |
| Bio-Rad Laboratories, Inc. | 1614 |
33 |
| Genzyme Corporation | 1254 |
21 |
| Bristol-myers Squibb Company | 4898 |
19 |
| EMD Millipore Corporation | 649 |
19 |
| W. L. Gore & Associates, Inc. | 2684 |
19 |
| GE Healthcare Bio-Sciences AB | 541 |
19 |
| Regeneron Pharmaceuticals, Inc. | 4264 |
19 |
| Genentech, Inc. | 3976 |
17 |
| Kaneka Corporation | 4522 |
17 |
| Merck Patent GmbH | 5831 |
16 |
| JSR Corporation | 2517 |
16 |
| Donaldson Company, Inc. | 1600 |
15 |
| Amgen Inc. | 4074 |
14 |
| Hoffmann-La Roche Inc. | 3418 |
11 |
| Miltenyi Biotec B.V. & Co. KG | 355 |
11 |
| Cytiva Sweden AB | 764 |
11 |
| The Trustees of the University of Pennsylvania | 4322 |
10 |
| Plasma Technologies, LLC | 34 |
10 |
| Other owners | 1022 |