- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 71/30 - Polyalkenyl halides
Patent holdings for IPC class B01D 71/30
Total number of patents in this class: 103
10-year publication summary
|
5
|
16
|
5
|
14
|
9
|
8
|
9
|
9
|
1
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10981 |
15 |
| Lubrizol Advanced Materials, Inc. | 956 |
4 |
| Sekisui Chemical Co., Ltd. | 3626 |
4 |
| BASF SE | 21310 |
3 |
| Astom Corporation | 39 |
3 |
| Florida State University Research Foundation, Inc. | 843 |
3 |
| Toyobo Co., Ltd. | 2534 |
3 |
| Tiangong University | 42 |
3 |
| The Regents of the University of California | 20802 |
2 |
| Toray Industries, Inc. | 7122 |
2 |
| Kaneka Corporation | 4725 |
2 |
| Asahi Kasei Kabushiki Kaisha | 2841 |
2 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
2 |
| China Petroleum & Chemical Corporation | 2160 |
2 |
| Evoqua Water Technologies LLC | 933 |
2 |
| Korea Research Institute of Chemical Technology | 1479 |
2 |
| The Lubrizol Corporation | 1261 |
2 |
| Porvair Filtration Group Limited | 15 |
2 |
| Tianjin Polytechnic University | 38 |
2 |
| Nissan Chemical Corporation | 2243 |
2 |
| Other owners | 41 |