- 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: 3017
10-year publication summary
|
242
|
210
|
226
|
223
|
215
|
199
|
226
|
253
|
289
|
102
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20556 |
95 |
| King Abdullah University of Science and Technology | 1834 |
65 |
| ExxonMobil Technology and Engineering Company | 1278 |
49 |
| ExxonMobil Research And Engineering Company | 2468 |
48 |
| Northwestern University | 3512 |
35 |
| Saudi Arabian Oil Company | 13953 |
32 |
| Numat Technologies, Inc. | 72 |
31 |
| BASF SE | 21129 |
30 |
| Centre National de La Recherche Scientifique | 10881 |
30 |
| Commonwealth Scientific and Industrial Research Organisation | 1660 |
25 |
| Waters Technologies Corporation | 1778 |
24 |
| King Fahd University of Petroleum and Minerals | 1484 |
22 |
| National University of Singapore | 2553 |
22 |
| Korea Research Institute of Chemical Technology | 1445 |
21 |
| Massachusetts Institute of Technology | 10201 |
20 |
| Kuraray Co., Ltd. | 3568 |
20 |
| Zhejiang University | 3366 |
20 |
| Mitsubishi Gas Chemical Company, Inc. | 3590 |
18 |
| Kyoto University | 2893 |
17 |
| Daikin Industries, Ltd. | 10393 |
16 |
| Other owners | 2377 |