- 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: 448
10-year publication summary
|
32
|
51
|
33
|
46
|
41
|
43
|
42
|
45
|
35
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1697 |
42 |
| Cytiva BioProcess R&D AB | 303 |
18 |
| Regeneron Pharmaceuticals, Inc. | 4288 |
17 |
| Genzyme Corporation | 1262 |
10 |
| Genentech, Inc. | 3976 |
9 |
| Bio-Rad Laboratories, Inc. | 1618 |
6 |
| Dionex Corporation | 329 |
5 |
| GE Healthcare Limited | 670 |
5 |
| Nippon Suisan Kaisha, Ltd. | 196 |
5 |
| Merck Sharp & Dohme LLC | 3751 |
5 |
| Nissui Corporation | 61 |
5 |
| F. Hoffmann-La Roche AG | 7947 |
4 |
| EMD Millipore Corporation | 650 |
4 |
| Merck Patent GmbH | 5815 |
4 |
| Agilent Technologies, Inc. | 2638 |
4 |
| Shimadzu Corporation | 6179 |
4 |
| Cytune Pharma | 39 |
4 |
| GE Healthcare Bio-Sciences AB | 541 |
4 |
| Hanmi Pharm. Co., Ltd. | 571 |
4 |
| Modernatx, Inc. | 1257 |
4 |
| Other owners | 285 |