- All sections
- C - Chemistrymetallurgy
- C07K - Peptides
- C07K 1/20 - Partition-, reverse-phase or hydrophobic interaction chromatography
Patent holdings for IPC class C07K 1/20
Total number of patents in this class: 503
10-year publication summary
|
31
|
31
|
22
|
37
|
46
|
49
|
52
|
38
|
41
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | 4223 |
24 |
| Abbvie Inc. | 1802 |
18 |
| Hoffmann-La Roche Inc. | 3379 |
17 |
| Hybio Pharmaceutical Co., Ltd. | 120 |
17 |
| Genentech, Inc. | 3961 |
11 |
| Amgen Inc. | 4047 |
10 |
| F. Hoffmann-La Roche AG | 7926 |
9 |
| Merck Patent GmbH | 5850 |
7 |
| Alexion Pharmaceuticals, Inc. | 633 |
7 |
| CSL Behring GmbH | 342 |
7 |
| Cytiva BioProcess R&D AB | 302 |
7 |
| EMD Millipore Corporation | 647 |
6 |
| Wuhan Healthgen Biotechnology Corp | 29 |
6 |
| Acquiom Agency Services LLC, AS Collateral Agent | 30 |
6 |
| Ares Trading S.A. | 301 |
5 |
| Bio-Rad Laboratories, Inc. | 1609 |
5 |
| Biogen MA Inc. | 892 |
5 |
| GE Healthcare Bio-Sciences AB | 547 |
5 |
| Mycotechnology, Inc. | 98 |
5 |
| Waters Technologies Corporation | 1690 |
5 |
| Other owners | 321 |