- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 15/30 - Partition chromatography
Patent holdings for IPC class B01D 15/30
Total number of patents in this class: 118
10-year publication summary
|
8
|
18
|
14
|
18
|
15
|
15
|
7
|
12
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1678 |
33 |
| Regeneron Pharmaceuticals, Inc. | 3986 |
15 |
| The Florida International University Board of Trustees | 582 |
3 |
| Mcmaster University | 773 |
3 |
| Stora Enso Oyj | 1605 |
3 |
| Spectrum Therapeutics GmbH | 5 |
3 |
| Pfizer Inc. | 3368 |
2 |
| Agilent Technologies, Inc. | 2676 |
2 |
| Bio-Rad Laboratories, Inc. | 1615 |
2 |
| Biogen MA Inc. | 914 |
2 |
| Restek Corporation | 104 |
2 |
| Glaxo Group Limited | 4281 |
1 |
| Bristol-myers Squibb Company | 4863 |
1 |
| Merck Sharp & Dohme Corp. | 2219 |
1 |
| Wyeth LLC | 671 |
1 |
| Centre National de La Recherche Scientifique | 10102 |
1 |
| Hitachi Chemical Company, Ltd. | 2387 |
1 |
| FUJIFILM Corporation | 28805 |
1 |
| Whirlpool Corporation | 4333 |
1 |
| Mitsubishi Rayon Co., Ltd. | 944 |
1 |
| Other owners | 39 |