- All sections
- B - Performing operations; transporting
- 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: 1291
10-year publication summary
|
108
|
126
|
120
|
116
|
148
|
138
|
111
|
145
|
118
|
44
|
| 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 |
78 |
| Waters Technologies Corporation | 1654 |
31 |
| Bio-Rad Laboratories, Inc. | 1592 |
28 |
| GE Healthcare Bio-Sciences AB | 570 |
21 |
| Genzyme Corporation | 1205 |
20 |
| EMD Millipore Corporation | 657 |
19 |
| W. L. Gore & Associates, Inc. | 2600 |
18 |
| Bristol-myers Squibb Company | 5080 |
17 |
| Kaneka Corporation | 4445 |
16 |
| Genentech, Inc. | 3742 |
15 |
| Merck Patent GmbH | 5909 |
15 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
15 |
| JSR Corporation | 2476 |
13 |
| Hoffmann-La Roche Inc. | 3060 |
11 |
| Amgen Inc. | 3779 |
10 |
| The Trustees of the University of Pennsylvania | 4122 |
10 |
| Miltenyi Biotec B.V. & Co. KG | 297 |
10 |
| Cytiva Sweden AB | 741 |
10 |
| Daicel Corporation | 2128 |
9 |
| F. Hoffmann-La Roche AG | 7958 |
8 |
| Other owners | 917 |