- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 47/028 - Column or bed processes using columns or beds of different ion exchange materials in series with alternately arranged cationic and anionic exchangers
Patent holdings for IPC class B01J 47/028
Total number of patents in this class: 32
10-year publication summary
2
|
0
|
1
|
5
|
9
|
7
|
4
|
3
|
3
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Organo Corporation | 394 |
6 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Kurita Water Industries Ltd. | 1110 |
3 |
Zhejiang Huakang Pharmaceutical Co., Ltd. | 52 |
2 |
The Dow Chemical Company | 802 |
1 |
Rohm and Haas Company | 2805 |
1 |
Dow Global Technologies LLC | 10147 |
1 |
Ebara Corporation | 1951 |
1 |
Medytox Inc. | 71 |
1 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
1 |
Nomura Micro Science Co., Ltd. | 67 |
1 |
Samyang Corporation | 368 |
1 |
ThyssenKrupp AG | 3086 |
1 |
Tohoku University | 2526 |
1 |
Uhde Inventa-Fischer GmbH | 131 |
1 |
DDP Specialty Electronic Materials US 8 LLC | 106 |
1 |
DDP Specialty Electronic Materials US Inc | 97 |
1 |
Matsuda Sangyo Co., Ltd. | 23 |
1 |
Sun Maintenance Koki Co., Ltd. | 4 |
1 |
Agua DB Ltd | 2 |
1 |
Other owners | 2 |