- All sections
- B - Performing operations; transporting
- 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: 107
10-year publication summary
|
7
|
9
|
14
|
3
|
9
|
11
|
7
|
8
|
11
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
15 |
| Toray Industries, Inc. | 6652 |
9 |
| Sumitomo Chemical Company, Limited | 8808 |
7 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
6 |
| Solvay Specialty Polymers USA, LLC | 521 |
4 |
| Dankook University Cheonan Campus Industry Academic Cooperation Foundation | 88 |
4 |
| King Abdullah University of Science and Technology | 1703 |
3 |
| Perma Pure LLC | 13 |
3 |
| General Electric Company | 18133 |
2 |
| The Regents of the University of California | 18943 |
2 |
| Nitto Denko Corporation | 7879 |
2 |
| Board of Regents, The University of Texas System | 5370 |
2 |
| Compagnie générale des établissements Michelin SCA | 2477 |
2 |
| BL Technologies, Inc. | 831 |
2 |
| Compact Membrane Systems, Inc. | 43 |
2 |
| Cornell University | 3036 |
2 |
| Oridion Medical 1987 Ltd. | 174 |
2 |
| Renaissance Energy Research Corporation | 60 |
2 |
| Ube Industries, Ltd. | 921 |
2 |
| Membrion, Inc. | 23 |
2 |
| Other owners | 32 |