- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 15/42 - Selective adsorption, e.g. chromatography characterised by the development mode, e.g. by displacement or by elution
Patent holdings for IPC class B01D 15/42
Total number of patents in this class: 557
10-year publication summary
|
49
|
36
|
37
|
41
|
53
|
62
|
57
|
66
|
71
|
64
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1800 |
22 |
| Shimadzu Corporation | 6373 |
12 |
| Bio-Rad Laboratories, Inc. | 1611 |
12 |
| Genzyme Corporation | 1383 |
12 |
| Takeda Pharmaceutical Company Limited | 2698 |
11 |
| Regeneron Pharmaceuticals, Inc. | 4800 |
10 |
| Cytiva BioProcess R&D AB | 326 |
8 |
| Bausch Health Ireland Limited | 802 |
7 |
| Genentech, Inc. | 4123 |
6 |
| Amgen Inc. | 4445 |
6 |
| BASF Pharma (Callanish) Limited | 31 |
6 |
| i3 Membrane GmbH | 28 |
5 |
| Cytiva Sweden AB | 792 |
5 |
| Schlumberger Technology Corporation | 11924 |
4 |
| Merck Patent GmbH | 5742 |
4 |
| Purdue Research Foundation | 3950 |
4 |
| Dionex Corporation | 340 |
4 |
| IFP Energies Nouvelles | 3112 |
4 |
| Jiangnan University | 1639 |
4 |
| PureCircle USA Inc. | 112 |
4 |
| Other owners | 407 |