- 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: 377
10-year publication summary
|
26
|
42
|
49
|
36
|
36
|
40
|
52
|
60
|
56
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1654 |
13 |
| Shimadzu Corporation | 5791 |
9 |
| Bio-Rad Laboratories, Inc. | 1592 |
9 |
| Genzyme Corporation | 1205 |
9 |
| Takeda Pharmaceutical Company Limited | 2961 |
7 |
| BASF Pharma (Callanish) Limited | 32 |
6 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
6 |
| Sachem, Inc. | 74 |
6 |
| Genentech, Inc. | 3742 |
5 |
| Bausch Health Ireland Limited | 751 |
5 |
| Purdue Research Foundation | 3277 |
4 |
| Lipoxen Technologies Limited | 65 |
4 |
| CMC Biologics A/S | 16 |
4 |
| Cytiva Sweden AB | 741 |
4 |
| Novasep Process Solutions | 30 |
4 |
| Hoffmann-La Roche Inc. | 3060 |
3 |
| Glaxosmithkline Intellectual Property Development Limited | 723 |
3 |
| Daikin Industries, Ltd. | 9495 |
3 |
| Battelle Energy Alliance, LLC | 569 |
3 |
| Asklepios Biopharmaceutical, Inc. | 109 |
3 |
| Other owners | 267 |