- 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: 478
10-year publication summary
|
42
|
48
|
36
|
36
|
38
|
49
|
58
|
57
|
62
|
55
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1705 |
18 |
| Bio-Rad Laboratories, Inc. | 1617 |
11 |
| Shimadzu Corporation | 6191 |
10 |
| Takeda Pharmaceutical Company Limited | 2706 |
9 |
| Genzyme Corporation | 1279 |
9 |
| Regeneron Pharmaceuticals, Inc. | 4335 |
7 |
| Bausch Health Ireland Limited | 795 |
7 |
| Genentech, Inc. | 4001 |
6 |
| BASF Pharma (Callanish) Limited | 32 |
6 |
| Sachem, Inc. | 71 |
6 |
| Cytiva BioProcess R&D AB | 309 |
5 |
| Amgen Inc. | 4105 |
4 |
| Purdue Research Foundation | 3670 |
4 |
| Dionex Corporation | 326 |
4 |
| PureCircle USA Inc. | 115 |
4 |
| CMC Biologics A/S | 14 |
4 |
| Merck Sharp & Dohme LLC | 3757 |
4 |
| Sartorius BIA Separations d.o.o. | 72 |
4 |
| Schlumberger Technology Corporation | 10881 |
3 |
| Merck Patent GmbH | 5768 |
3 |
| Other owners | 350 |