- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 11/04 - Solvent extraction of solutions which are liquid
Patent holdings for IPC class B01D 11/04
Total number of patents in this class: 1598
10-year publication summary
|
112
|
114
|
105
|
135
|
152
|
145
|
130
|
138
|
109
|
28
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
40 |
| Uop LLC | 4083 |
26 |
| IFP Energies Nouvelles | 2717 |
26 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
23 |
| Chemtor, LP | 53 |
20 |
| BASF SE | 19740 |
19 |
| LG Chem, Ltd. | 17205 |
18 |
| Eastman Chemical Company | 2239 |
17 |
| Kyushu University, National University Corporation | 1572 |
14 |
| Outotec (Finland) Oy | 491 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
11 |
| Arkema France | 3790 |
11 |
| Ecolab USA Inc. | 5190 |
11 |
| Freeport Minerals Corporation | 80 |
11 |
| Aquafortus Technologies Limited | 33 |
11 |
| Merichem Company | 66 |
10 |
| Outotec Oyj | 318 |
10 |
| Metso Outotec Finland Oy | 795 |
10 |
| E. & J. Gallo Winery | 1852 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
8 |
| Other owners | 1281 |