- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir 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: 5155
10-year publication summary
|
364
|
395
|
401
|
355
|
395
|
412
|
400
|
463
|
482
|
306
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17950 |
131 |
| Nippon Shokubai Co., Ltd. | 1534 |
102 |
| BASF SE | 21306 |
60 |
| IFP Energies Nouvelles | 3104 |
54 |
| Sumitomo Seika Chemicals Co., Ltd. | 1043 |
52 |
| King Fahd University of Petroleum and Minerals | 1587 |
48 |
| Arkema France | 4251 |
40 |
| Saudi Arabian Oil Company | 14305 |
40 |
| Kuraray Co., Ltd. | 3601 |
37 |
| ExxonMobil Technology and Engineering Company | 1379 |
33 |
| ExxonMobil Research And Engineering Company | 2400 |
32 |
| Daicel Corporation | 2549 |
31 |
| Uop LLC | 4390 |
30 |
| Imam Mohammad Ibn Saud Islamic University | 234 |
30 |
| Centre National de La Recherche Scientifique | 11059 |
29 |
| Corning Incorporated | 10504 |
28 |
| Calgon Carbon Corporation | 258 |
27 |
| China Petroleum & Chemical Corporation | 2166 |
26 |
| Tosoh Corporation | 1417 |
26 |
| The Regents of the University of California | 20815 |
25 |
| Other owners | 4274 |