- 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: 502
10-year publication summary
|
48
|
36
|
37
|
38
|
50
|
58
|
57
|
61
|
70
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1767 |
21 |
| Takeda Pharmaceutical Company Limited | 2713 |
11 |
| Bio-Rad Laboratories, Inc. | 1612 |
11 |
| Shimadzu Corporation | 6276 |
10 |
| Genzyme Corporation | 1320 |
9 |
| Regeneron Pharmaceuticals, Inc. | 4531 |
7 |
| Bausch Health Ireland Limited | 812 |
7 |
| Genentech, Inc. | 4045 |
6 |
| Amgen Inc. | 4304 |
6 |
| BASF Pharma (Callanish) Limited | 32 |
6 |
| Cytiva BioProcess R&D AB | 313 |
6 |
| Schlumberger Technology Corporation | 11298 |
4 |
| Merck Patent GmbH | 5729 |
4 |
| Purdue Research Foundation | 3795 |
4 |
| Dionex Corporation | 326 |
4 |
| i3 Membrane GmbH | 28 |
4 |
| Jiangnan University | 1577 |
4 |
| PureCircle USA Inc. | 115 |
4 |
| CMC Biologics A/S | 14 |
4 |
| Merck Sharp & Dohme LLC | 3741 |
4 |
| Other owners | 366 |