- 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: 734
10-year publication summary
|
46
|
54
|
67
|
65
|
75
|
79
|
59
|
70
|
67
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva Sweden AB | 791 |
33 |
| Cytiva BioProcess R&D AB | 325 |
27 |
| Waters Technologies Corporation | 1799 |
26 |
| Genzyme Corporation | 1383 |
16 |
| Regeneron Pharmaceuticals, Inc. | 4790 |
16 |
| GE Healthcare Bio-Sciences AB | 508 |
15 |
| Bio-Rad Laboratories, Inc. | 1612 |
13 |
| Agilent Technologies, Inc. | 2640 |
10 |
| Dionex Corporation | 339 |
10 |
| Schlumberger Technology Corporation | 11893 |
9 |
| Merck Patent GmbH | 5739 |
9 |
| Biotage AB | 96 |
9 |
| Shimadzu Corporation | 6370 |
8 |
| SPF Technologies LLC | 24 |
8 |
| Bristol-myers Squibb Company | 4764 |
7 |
| Repligen Corporation | 299 |
7 |
| Safe Foods Corporation | 85 |
7 |
| Amgen Inc. | 4436 |
6 |
| Battelle Memorial Institute | 2608 |
6 |
| Jemp Holding BV | 8 |
6 |
| Other owners | 486 |