- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/58 - Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
Patent holdings for IPC class B01D 71/58
Total number of patents in this class: 124
10-year publication summary
|
9
|
13
|
2
|
16
|
10
|
10
|
8
|
13
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21165 |
4 |
| LG Chem, Ltd. | 17883 |
4 |
| FUJIFILM Corporation | 30327 |
4 |
| Nitto Denko Corporation | 8486 |
4 |
| Korea Advanced Institute of Science and Technology | 4604 |
4 |
| Entegris, Inc. | 1990 |
4 |
| Glycom A/S | 248 |
4 |
| Applied BioMimetic A/S | 22 |
4 |
| Solventum Intellectual Properties Company | 3370 |
4 |
| EMD Millipore Corporation | 634 |
3 |
| Sumitomo Chemical Company, Limited | 9015 |
3 |
| DSM IP Assets B.V. | 5422 |
3 |
| Futamura Kagaku Kabushiki Kaisha | 90 |
3 |
| National University of Singapore | 2565 |
3 |
| 3m Innovative Properties Company | 17491 |
2 |
| The Regents of the University of California | 20590 |
2 |
| Toray Advanced Materials Korea Inc. | 293 |
2 |
| Georgia Tech Research Corporation | 2912 |
2 |
| Asahi Kasei Kabushiki Kaisha | 2806 |
2 |
| Asahi Kasei Medical Co., Ltd. | 233 |
2 |
| Other owners | 61 |