- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/12 - Cellulose derivatives
Patent holdings for IPC class B01D 71/12
Total number of patents in this class: 86
10-year publication summary
|
2
|
7
|
10
|
7
|
10
|
5
|
3
|
8
|
7
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6859 |
7 |
| CureVac Manufacturing GmbH | 41 |
7 |
| FUJIFILM Corporation | 29151 |
6 |
| Toyobo Co., Ltd. | 2469 |
6 |
| Massachusetts Institute of Technology | 9967 |
3 |
| Sartorius Stedim Biotech GmbH | 819 |
3 |
| Bayer HealthCare LLC | 1354 |
2 |
| Uop LLC | 4211 |
2 |
| Arkema France | 3978 |
2 |
| Asahi Kasei Fibers Corporation | 100 |
2 |
| Newsouth Innovations Pty Limited | 592 |
2 |
| The Research Foundation of State University of New York | 463 |
2 |
| Singapore University of Technology and Design | 212 |
2 |
| Sydney Water Corporation | 7 |
2 |
| Hangzhou Cobetter Filtration Equipment Co., Ltd | 26 |
2 |
| G2o Water Technologies Limited | 9 |
2 |
| Merck Patent GmbH | 5830 |
1 |
| American University of Cairo (auc) | 7 |
1 |
| Asahi Kasei Medical Co., Ltd. | 298 |
1 |
| B. Braun Avitum AG | 353 |
1 |
| Other owners | 30 |