- 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: 84
10-year publication summary
|
7
|
2
|
5
|
4
|
5
|
1
|
5
|
2
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4693 |
2 |
| Companhia Vale do Rio Doce | 6 |
2 |
| Everclear Solutions, Inc. | 2 |
2 |
| Temasek Polytechnic | 55 |
2 |
| PAK Biosolutions, Inc. | 14 |
2 |
| Koch Technology Solutions, LLC | 31 |
2 |
| Koch Technology Solutions UK Limited | 17 |
2 |
| Centre National de La Recherche Scientifique | 11016 |
1 |
| Hitachi, Ltd. | 16071 |
1 |
| Sumitomo Chemical Company, Limited | 8996 |
1 |
| NGK Insulators, Ltd. | 5232 |
1 |
| Saudi Basic Industries Corporation | 525 |
1 |
| Siemens Energy, Inc. | 1685 |
1 |
| Asahi Glass Company, Limited | 2625 |
1 |
| Northwestern University | 3540 |
1 |
| ADA-ES, Inc. | 8 |
1 |
| Amalgamated Research LLC | 18 |
1 |
| Australian Nuclear Science and Technology Organisation | 68 |
1 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 380 |
1 |
| Bio-Rad Laboratories, Inc. | 1611 |
1 |
| Other owners | 57 |