- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 15/32 - Bonded phase chromatography, e.g. with normal bonded phase, reversed phase or hydrophobic interaction
Patent holdings for IPC class B01D 15/32
Total number of patents in this class: 405
10-year publication summary
|
35
|
34
|
52
|
33
|
47
|
42
|
44
|
43
|
42
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1654 |
39 |
| Cytiva BioProcess R&D AB | 287 |
17 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
14 |
| Genentech, Inc. | 3742 |
9 |
| Genzyme Corporation | 1205 |
9 |
| GE Healthcare Bio-Sciences AB | 570 |
7 |
| F. Hoffmann-La Roche AG | 7958 |
5 |
| GE Healthcare Limited | 711 |
5 |
| Nippon Suisan Kaisha, Ltd. | 204 |
5 |
| EMD Millipore Corporation | 657 |
4 |
| Merck Patent GmbH | 5909 |
4 |
| Agilent Technologies, Inc. | 2744 |
4 |
| Shimadzu Corporation | 5791 |
4 |
| Bio-Rad Laboratories, Inc. | 1592 |
4 |
| Cytune Pharma | 37 |
4 |
| Dionex Corporation | 320 |
4 |
| Hanmi Pharm. Co., Ltd. | 546 |
4 |
| Orochem Technologies, Inc. | 29 |
4 |
| Xellia Pharmaceuticals ApS | 114 |
4 |
| Kazmira, LLC | 14 |
4 |
| Other owners | 251 |