- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/66 - Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
Patent holdings for IPC class B01D 71/66
Total number of patents in this class: 116
10-year publication summary
|
14
|
3
|
9
|
11
|
6
|
8
|
11
|
10
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30516 |
16 |
| Toray Industries, Inc. | 7111 |
8 |
| FUJIFILM Manufacturing Europe B.V. | 221 |
7 |
| Sumitomo Chemical Company, Limited | 8968 |
6 |
| Dankook University Cheonan Campus Industry Academic Cooperation Foundation | 116 |
4 |
| Membrion, Inc. | 24 |
4 |
| Nitto Denko Corporation | 8540 |
3 |
| King Abdullah University of Science and Technology | 1855 |
3 |
| Perma Pure LLC | 21 |
3 |
| General Electric Company | 13910 |
2 |
| Board of Regents, The University of Texas System | 6117 |
2 |
| Compagnie générale des établissements Michelin SCA | 2718 |
2 |
| BL Technologies, Inc. | 842 |
2 |
| Compact Membrane Systems, Inc. | 56 |
2 |
| Cornell University | 3426 |
2 |
| Oridion Medical 1987 Ltd. | 174 |
2 |
| Renaissance Energy Research Corporation | 63 |
2 |
| Solvay Specialty Polymers USA, LLC | 504 |
2 |
| Ube Industries, Ltd. | 770 |
2 |
| Syensqo Specialty Polymers USA, LLC | 133 |
2 |
| Other owners | 40 |