- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/30 - Processes for preparing, regenerating or reactivating
Patent holdings for IPC class B01J 20/30
Total number of patents in this class: 4012
10-year publication summary
|
287
|
345
|
364
|
395
|
401
|
355
|
392
|
406
|
381
|
138
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
97 |
| Nippon Shokubai Co., Ltd. | 1487 |
85 |
| BASF SE | 19740 |
63 |
| IFP Energies Nouvelles | 2717 |
59 |
| Sumitomo Seika Chemicals Co., Ltd. | 1028 |
40 |
| Johnson Matthey Public Limited Company | 1852 |
39 |
| ExxonMobil Research And Engineering Company | 2830 |
38 |
| Arkema France | 3790 |
35 |
| Kuraray Co., Ltd. | 3392 |
34 |
| Daicel Corporation | 2128 |
26 |
| King Fahd University of Petroleum and Minerals | 779 |
24 |
| Saudi Arabian Oil Company | 11322 |
24 |
| The Regents of the University of California | 18943 |
23 |
| Uop LLC | 4083 |
22 |
| Dow Global Technologies LLC | 10147 |
22 |
| Tosoh Corporation | 1127 |
22 |
| China Petroleum & Chemical Corporation | 1623 |
21 |
| Daiki Co., Ltd. | 140 |
21 |
| Cytiva BioProcess R&D AB | 287 |
20 |
| Calgon Carbon Corporation | 224 |
19 |
| Other owners | 3278 |