- All sections
- B - Performing operationstransporting
- 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: 474
10-year publication summary
|
52
|
33
|
48
|
43
|
45
|
46
|
48
|
36
|
31
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1795 |
42 |
| Cytiva BioProcess R&D AB | 322 |
21 |
| Regeneron Pharmaceuticals, Inc. | 4698 |
16 |
| Genzyme Corporation | 1369 |
12 |
| Genentech, Inc. | 4099 |
9 |
| Bio-Rad Laboratories, Inc. | 1611 |
7 |
| F. Hoffmann-La Roche AG | 7836 |
6 |
| Hanmi Pharm. Co., Ltd. | 601 |
6 |
| Nissui Corporation | 85 |
6 |
| Dionex Corporation | 339 |
5 |
| GE Healthcare Limited | 633 |
5 |
| Nippon Suisan Kaisha, Ltd. | 190 |
5 |
| Merck Sharp & Dohme LLC | 3735 |
5 |
| Sartorius BIA Separations d.o.o. | 77 |
5 |
| Hoffmann-La Roche Inc. | 3783 |
4 |
| EMD Millipore Corporation | 631 |
4 |
| Merck Patent GmbH | 5725 |
4 |
| Agilent Technologies, Inc. | 2637 |
4 |
| Shimadzu Corporation | 6337 |
4 |
| Cytune Pharma | 40 |
4 |
| Other owners | 300 |