- All sections
- B - Performing operations; transporting
- 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: 566
10-year publication summary
|
50
|
57
|
46
|
54
|
66
|
65
|
73
|
75
|
53
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva Sweden AB | 741 |
29 |
| Waters Technologies Corporation | 1654 |
25 |
| Cytiva BioProcess R&D AB | 287 |
20 |
| GE Healthcare Bio-Sciences AB | 570 |
17 |
| Genzyme Corporation | 1205 |
15 |
| Bio-Rad Laboratories, Inc. | 1592 |
13 |
| Dionex Corporation | 320 |
11 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
10 |
| Biotage AB | 88 |
9 |
| Agilent Technologies, Inc. | 2744 |
7 |
| Safe Foods Corporation | 82 |
7 |
| SPF Technologies LLC | 19 |
7 |
| Bristol-myers Squibb Company | 5080 |
6 |
| Shimadzu Corporation | 5791 |
6 |
| Repligen Corporation | 258 |
6 |
| Toray Industries, Inc. | 6652 |
5 |
| Battelle Memorial Institute | 2356 |
5 |
| Janssen Biotech, Inc. | 1347 |
5 |
| Sartorius Stedim Biotech GmbH | 774 |
5 |
| Enquyst Technologies Inc. | 9 |
5 |
| Other owners | 353 |