- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 20/32 - Impregnating or coating
Patent holdings for IPC class B01J 20/32
Total number of patents in this class: 3274
10-year publication summary
|
236
|
267
|
244
|
220
|
235
|
197
|
237
|
308
|
278
|
181
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 327 |
89 |
| Waters Technologies Corporation | 1800 |
79 |
| LG Chem, Ltd. | 17970 |
37 |
| Corning Incorporated | 10538 |
29 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
28 |
| ExxonMobil Research And Engineering Company | 2392 |
27 |
| 3m Innovative Properties Company | 17455 |
26 |
| Dionex Corporation | 339 |
24 |
| IFP Energies Nouvelles | 3116 |
23 |
| Donaldson Company, Inc. | 1607 |
22 |
| Instraction GmbH | 50 |
22 |
| Solventum Intellectual Properties Company | 3416 |
22 |
| Merck Patent GmbH | 5747 |
21 |
| Daicel Corporation | 2562 |
21 |
| Johnson Matthey Public Limited Company | 1764 |
21 |
| Saudi Arabian Oil Company | 14369 |
21 |
| Centre National de La Recherche Scientifique | 11111 |
18 |
| King Fahd University of Petroleum and Minerals | 1601 |
18 |
| BASF SE | 21320 |
17 |
| The Regents of the University of California | 20902 |
17 |
| Other owners | 2692 |