- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
Patent holdings for IPC class B01J 20/22
Total number of patents in this class: 2459
10-year publication summary
|
166
|
197
|
242
|
210
|
225
|
222
|
213
|
197
|
214
|
72
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 18943 |
78 |
| King Abdullah University of Science and Technology | 1703 |
61 |
| ExxonMobil Research And Engineering Company | 2830 |
52 |
| ExxonMobil Technology and Engineering Company | 676 |
36 |
| BASF SE | 19740 |
34 |
| Northwestern University | 3112 |
30 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
23 |
| Korea Research Institute of Chemical Technology | 1266 |
23 |
| Kuraray Co., Ltd. | 3392 |
22 |
| Centre National de La Recherche Scientifique | 9632 |
20 |
| Massachusetts Institute of Technology | 9795 |
20 |
| Waters Technologies Corporation | 1654 |
20 |
| Numat Technologies, Inc. | 54 |
19 |
| Zhejiang University | 2619 |
17 |
| National University of Singapore | 2228 |
16 |
| Saudi Arabian Oil Company | 11322 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
14 |
| Toray Industries, Inc. | 6652 |
13 |
| Kyoto University | 2732 |
13 |
| 3m Innovative Properties Company | 18406 |
12 |
| Other owners | 1920 |