- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 15/20 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the sorbent material
Patent holdings for IPC class B01D 15/20
Total number of patents in this class: 684
10-year publication summary
|
55
|
46
|
51
|
65
|
63
|
72
|
75
|
55
|
65
|
64
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva Sweden AB | 773 |
32 |
| Waters Technologies Corporation | 1746 |
25 |
| Cytiva BioProcess R&D AB | 311 |
25 |
| Genzyme Corporation | 1310 |
16 |
| GE Healthcare Bio-Sciences AB | 531 |
15 |
| Regeneron Pharmaceuticals, Inc. | 4444 |
15 |
| Bio-Rad Laboratories, Inc. | 1619 |
13 |
| Dionex Corporation | 326 |
11 |
| Agilent Technologies, Inc. | 2644 |
9 |
| Biotage AB | 97 |
9 |
| Shimadzu Corporation | 6232 |
8 |
| SPF Technologies LLC | 21 |
8 |
| Bristol-myers Squibb Company | 4820 |
7 |
| Schlumberger Technology Corporation | 11054 |
7 |
| Repligen Corporation | 289 |
7 |
| Safe Foods Corporation | 84 |
7 |
| Battelle Memorial Institute | 2508 |
6 |
| Genentech, Inc. | 4015 |
5 |
| Merck Patent GmbH | 5759 |
5 |
| Toray Industries, Inc. | 7006 |
5 |
| Other owners | 449 |