- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
Patent holdings for IPC class B01J 20/22
Total number of patents in this class: 2695
10-year publication summary
|
197
|
242
|
210
|
225
|
223
|
214
|
198
|
224
|
235
|
84
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 19681 |
91 |
| King Abdullah University of Science and Technology | 1763 |
65 |
| ExxonMobil Technology and Engineering Company | 1004 |
50 |
| ExxonMobil Research And Engineering Company | 2607 |
49 |
| BASF SE | 20616 |
33 |
| Northwestern University | 3314 |
30 |
| Saudi Arabian Oil Company | 12683 |
26 |
| Centre National de La Recherche Scientifique | 10202 |
24 |
| Commonwealth Scientific and Industrial Research Organisation | 1633 |
24 |
| Numat Technologies, Inc. | 63 |
24 |
| Waters Technologies Corporation | 1692 |
23 |
| Korea Research Institute of Chemical Technology | 1359 |
22 |
| Kuraray Co., Ltd. | 3476 |
22 |
| Massachusetts Institute of Technology | 9942 |
21 |
| National University of Singapore | 2399 |
20 |
| Zhejiang University | 3037 |
19 |
| Mitsubishi Gas Chemical Company, Inc. | 3392 |
18 |
| King Fahd University of Petroleum and Minerals | 1108 |
15 |
| Daikin Industries, Ltd. | 9920 |
14 |
| Georgia Tech Research Corporation | 2679 |
14 |
| Other owners | 2091 |