- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/36 - Azeotropic distillation
Patent holdings for IPC class B01D 3/36
Total number of patents in this class: 199
10-year publication summary
|
8
|
14
|
22
|
24
|
19
|
8
|
22
|
12
|
16
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 13561 |
21 |
| Dow Global Technologies Inc. | 805 |
8 |
| LG Chem, Ltd. | 17676 |
6 |
| Arkema France | 4168 |
6 |
| Naturamide IP LLC | 13 |
6 |
| BASF SE | 21017 |
5 |
| Dow Global Technologies LLC | 10437 |
5 |
| Arkema Inc. | 1069 |
5 |
| Changchun Meihe Science and Technology Development Co.,Ltd | 29 |
5 |
| Daikin Industries, Ltd. | 10106 |
4 |
| Eastman Chemical Company | 2207 |
4 |
| IFP Energies Nouvelles | 2959 |
4 |
| AMT International, Inc. | 43 |
3 |
| Chempolis Oy | 26 |
3 |
| Eve Rubber Institute Co., Ltd. | 29 |
3 |
| Saudi Arabian Oil Company | 13409 |
3 |
| Versalis S.P.A. | 544 |
3 |
| Whitefox Technologies Limited | 36 |
3 |
| Equinor Energy AS | 500 |
3 |
| Illinois Tool Works Inc. | 11520 |
2 |
| Other owners | 97 |