- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 15/26 - Selective adsorption, e.g. chromatography characterised by the separation mechanism
Patent holdings for IPC class B01D 15/26
Total number of patents in this class: 224
10-year publication summary
|
28
|
24
|
14
|
20
|
19
|
16
|
22
|
22
|
17
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1678 |
20 |
| Merck Patent GmbH | 5847 |
6 |
| Agilent Technologies, Inc. | 2680 |
6 |
| Cytiva BioProcess R&D AB | 301 |
5 |
| Bio-Rad Laboratories, Inc. | 1612 |
4 |
| Johnson Matthey Public Limited Company | 1850 |
4 |
| Schlumberger Technology Corporation | 10228 |
3 |
| Schlumberger Canada Limited | 7143 |
3 |
| Schlumberger Technology B.v. | 5064 |
3 |
| Dow Global Technologies LLC | 10143 |
3 |
| Biotage AB | 92 |
3 |
| Gambro Lundia AB | 1369 |
3 |
| IFP Energies Nouvelles | 2818 |
3 |
| JNC Corporation | 1532 |
3 |
| Orochem Technologies, Inc. | 28 |
3 |
| Services Petroliers Schlumberger | 5622 |
3 |
| Kultevat, Inc. | 10 |
3 |
| Western Research Institute, Inc. | 23 |
3 |
| Battelle Savannah River Alliance, LLC | 213 |
3 |
| F. Hoffmann-La Roche AG | 7939 |
2 |
| Other owners | 138 |