- 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: 2999
10-year publication summary
|
226
|
229
|
253
|
236
|
208
|
221
|
184
|
211
|
269
|
188
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 312 |
85 |
| Waters Technologies Corporation | 1714 |
71 |
| Johnson Matthey Public Limited Company | 1875 |
31 |
| LG Chem, Ltd. | 17680 |
30 |
| ExxonMobil Research And Engineering Company | 2562 |
27 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10956 |
26 |
| Dionex Corporation | 326 |
24 |
| IFP Energies Nouvelles | 2960 |
23 |
| 3m Innovative Properties Company | 17770 |
22 |
| Solventum Intellectual Properties Company | 3339 |
22 |
| Corning Incorporated | 10327 |
21 |
| Donaldson Company, Inc. | 1603 |
21 |
| Daicel Corporation | 2384 |
20 |
| Instraction GmbH | 50 |
20 |
| Saudi Arabian Oil Company | 13428 |
20 |
| Merck Patent GmbH | 5773 |
16 |
| Centre National de La Recherche Scientifique | 10576 |
15 |
| W. L. Gore & Associates, Inc. | 2731 |
15 |
| Northwestern University | 3422 |
15 |
| BASF SE | 21039 |
14 |
| Other owners | 2461 |