- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/78 - Graft polymers
Patent holdings for IPC class B01D 71/78
Total number of patents in this class: 126
10-year publication summary
|
11
|
14
|
9
|
11
|
11
|
11
|
8
|
5
|
8
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 1914 |
9 |
| Solventum Intellectual Properties Company | 3340 |
7 |
| 3m Innovative Properties Company | 17719 |
6 |
| National University of Singapore | 2514 |
5 |
| SABIC Global Technologies B.V. | 4405 |
5 |
| Saudi Arabian Oil Company | 13686 |
5 |
| BASF SE | 21098 |
3 |
| The Regents of the University of California | 20303 |
3 |
| Rensselaer Polytechnic Institute | 839 |
3 |
| SINTEF Tto AS | 140 |
3 |
| Trustees of Tufts College | 913 |
3 |
| Membrion, Inc. | 24 |
3 |
| The Trustees of Columbia University in the City of New York | 3604 |
2 |
| Arkema France | 4176 |
2 |
| Asahi Kasei Medical Co., Ltd. | 234 |
2 |
| Donaldson Company, Inc. | 1589 |
2 |
| Gambro Lundia AB | 1356 |
2 |
| Hunan Keensen Technology Co., Ltd. | 7 |
2 |
| King Abdullah University of Science and Technology | 1813 |
2 |
| Ngee Ann Polytechnic | 49 |
2 |
| Other owners | 55 |