- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 37/30 - Ion-exchange
Patent holdings for IPC class B01J 37/30
Total number of patents in this class: 606
10-year publication summary
|
36
|
49
|
54
|
62
|
52
|
44
|
26
|
38
|
27
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4407 |
34 |
| Johnson Matthey Public Limited Company | 1766 |
30 |
| BASF Mobile Emissions Catalysts LLC | 426 |
25 |
| China Petroleum & Chemical Corporation | 2173 |
20 |
| BASF Corporation | 1680 |
19 |
| Chevron U.S.A. Inc. | 4166 |
18 |
| Saudi Arabian Oil Company | 14349 |
17 |
| BASF SE | 21328 |
16 |
| Research Institute of Petroleum Processing, Sinopec | 361 |
13 |
| Hyundai Motor Company | 24898 |
12 |
| Chevron Phillips Chemical Company LP | 1865 |
9 |
| Ibiden Co., Ltd. | 1681 |
8 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 689 |
8 |
| Umicore AG & Co. KG | 850 |
8 |
| Saudi Basic Industries Corporation | 523 |
7 |
| BASF Catalysts LLC | 110 |
7 |
| Cataler Corporation | 575 |
7 |
| IFP Energies Nouvelles | 3112 |
7 |
| JGC Catalysts and Chemicals Ltd. | 260 |
7 |
| SK Innovation Co., Ltd. | 1494 |
7 |
| Other owners | 327 |