- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 39/00 - Cation exchangeUse of material as cation exchangersTreatment of material for improving the cation exchange properties
Patent holdings for IPC class B01J 39/00
Total number of patents in this class: 77
10-year publication summary
|
4
|
7
|
2
|
5
|
4
|
5
|
0
|
5
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Companhia Vale do Rio Doce | 15 |
4 |
| Kaneka Corporation | 4519 |
2 |
| Everclear Solutions, Inc. | 2 |
2 |
| Temasek Polytechnic | 55 |
2 |
| Centre National de La Recherche Scientifique | 10421 |
1 |
| Hitachi, Ltd. | 15476 |
1 |
| Sumitomo Chemical Company, Limited | 9047 |
1 |
| NGK Insulators, Ltd. | 4949 |
1 |
| Saudi Basic Industries Corporation | 571 |
1 |
| Siemens Energy, Inc. | 1687 |
1 |
| Asahi Glass Company, Limited | 2792 |
1 |
| Northwestern University | 3386 |
1 |
| ADA-ES, Inc. | 10 |
1 |
| Amalgamated Research LLC | 16 |
1 |
| Australian Nuclear Science and Technology Organisation | 69 |
1 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 352 |
1 |
| Bio-Rad Laboratories, Inc. | 1615 |
1 |
| BL Technologies, Inc. | 834 |
1 |
| Blucher GmbH | 178 |
1 |
| Brigham Young University | 598 |
1 |
| Other owners | 51 |