- All sections
- B - Performing operations; transporting
- 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: 423
10-year publication summary
|
42
|
49
|
36
|
36
|
40
|
52
|
62
|
57
|
61
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1678 |
16 |
| Bio-Rad Laboratories, Inc. | 1615 |
11 |
| Shimadzu Corporation | 6019 |
10 |
| Genzyme Corporation | 1211 |
10 |
| Takeda Pharmaceutical Company Limited | 2943 |
7 |
| Regeneron Pharmaceuticals, Inc. | 3986 |
7 |
| BASF Pharma (Callanish) Limited | 32 |
6 |
| Sachem, Inc. | 73 |
6 |
| Bausch Health Ireland Limited | 773 |
6 |
| Genentech, Inc. | 3869 |
5 |
| Purdue Research Foundation | 3477 |
4 |
| PureCircle USA Inc. | 112 |
4 |
| CMC Biologics A/S | 16 |
4 |
| Cytiva BioProcess R&D AB | 301 |
4 |
| Hoffmann-La Roche Inc. | 3267 |
3 |
| Amgen Inc. | 3899 |
3 |
| Glaxosmithkline Intellectual Property Development Limited | 737 |
3 |
| Daikin Industries, Ltd. | 9838 |
3 |
| Battelle Energy Alliance, LLC | 568 |
3 |
| Asklepios Biopharmaceutical, Inc. | 116 |
3 |
| Other owners | 305 |