- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 20/02 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material
Patent holdings for IPC class B01J 20/02
Total number of patents in this class: 1768
10-year publication summary
135
|
137
|
160
|
160
|
144
|
137
|
137
|
142
|
118
|
88
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Johnson Matthey Public Limited Company | 1858 |
41 |
IFP Energies Nouvelles | 2933 |
29 |
Mozarc Medical US LLC | 338 |
29 |
Mitsubishi Gas Chemical Company, Inc. | 3465 |
27 |
Calgon Carbon Corporation | 238 |
26 |
Uop LLC | 4244 |
20 |
Regents of the University of Minnesota | 2694 |
16 |
King Fahd University of Petroleum and Minerals | 1201 |
14 |
Fresenius Medical Care Holdings, Inc. | 1421 |
13 |
BASF Corporation | 1717 |
12 |
Baxter International Inc. | 2397 |
12 |
Baxter Healthcare S.A. | 1825 |
12 |
3m Innovative Properties Company | 17819 |
10 |
LG Chem, Ltd. | 17638 |
10 |
The Regents of the University of California | 19929 |
10 |
Murata Manufacturing Co., Ltd. | 24542 |
10 |
ExxonMobil Research And Engineering Company | 2572 |
9 |
National Institute of Advanced Industrial Science and Technology | 3802 |
9 |
Agency for Science, Technology and Research | 3626 |
9 |
Birchtech Corp. | 32 |
9 |
Other owners | 1441 |