- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 39/00 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
Patent holdings for IPC class B01J 39/00
Total number of patents in this class: 79
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 | 17 |
4 |
| Kaneka Corporation | 4493 |
2 |
| Everclear Solutions, Inc. | 2 |
2 |
| Temasek Polytechnic | 55 |
2 |
| Geolith | 6 |
2 |
| Centre National de La Recherche Scientifique | 10068 |
1 |
| Hitachi, Ltd. | 15203 |
1 |
| Sumitomo Chemical Company, Limited | 8976 |
1 |
| NGK Insulators, Ltd. | 4791 |
1 |
| Saudi Basic Industries Corporation | 591 |
1 |
| Siemens Energy, Inc. | 1734 |
1 |
| Asahi Glass Company, Limited | 2885 |
1 |
| Northwestern University | 3272 |
1 |
| ADA-ES, Inc. | 11 |
1 |
| Amalgamated Research LLC | 14 |
1 |
| Australian Nuclear Science and Technology Organisation | 70 |
1 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 323 |
1 |
| Bio-Rad Laboratories, Inc. | 1612 |
1 |
| BL Technologies, Inc. | 844 |
1 |
| Blucher GmbH | 191 |
1 |
| Other owners | 52 |