- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 41/04 - Processes using organic exchangers
Patent holdings for IPC class B01J 41/04
Total number of patents in this class: 185
10-year publication summary
18
|
21
|
10
|
9
|
13
|
9
|
10
|
19
|
7
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Organo Corporation | 472 |
8 |
Asahi Glass Company, Limited | 2781 |
6 |
Dionex Corporation | 329 |
6 |
Kurita Water Industries Ltd. | 1194 |
4 |
Lanxess Deutschland GmbH | 1117 |
4 |
Chemra GmbH | 6 |
4 |
BASF SE | 20915 |
3 |
Sony Corporation | 31028 |
3 |
Mitsubishi Heavy Industries, Ltd. | 8735 |
3 |
Merck Patent GmbH | 5818 |
3 |
FUJIFILM Corporation | 29424 |
3 |
Daikin Industries, Ltd. | 10016 |
3 |
Rohm and Haas Company | 2877 |
3 |
Mitsubishi Gas Chemical Company, Inc. | 3466 |
3 |
Nomura Micro Science Co., Ltd. | 79 |
3 |
DDP Specialty Electronic Materials US, LLC | 834 |
3 |
Dow Global Technologies LLC | 10349 |
2 |
Arizona Board of Regents on behalf of Arizona State University | 2646 |
2 |
Astom Corporation | 33 |
2 |
The Chemours Company Fc, LLC | 1236 |
2 |
Other owners | 115 |