- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 31/08 - Ion-exchange resins
Patent holdings for IPC class B01J 31/08
Total number of patents in this class: 125
10-year publication summary
|
7
|
11
|
9
|
8
|
11
|
3
|
6
|
13
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Organo Corporation | 541 |
14 |
| Chevron Phillips Chemical Company LP | 1861 |
3 |
| China Petroleum & Chemical Corporation | 2158 |
3 |
| Korea Institute of Industrial Technology | 1030 |
3 |
| Scientific Design Company, Inc. | 115 |
3 |
| Uop LLC | 4388 |
2 |
| Rohm and Haas Company | 2943 |
2 |
| Dow Global Technologies LLC | 10968 |
2 |
| Council of Scientific and Industrial Research | 595 |
2 |
| LyondellBasell Acetyls, LLC | 95 |
2 |
| Musashino Chemical Laboratory, Ltd. | 18 |
2 |
| PTT Global Chemical PCL | 121 |
2 |
| Rhein Chemie Rheinau GmbH | 41 |
2 |
| SABIC Global Technologies B.V. | 4605 |
2 |
| Saudi Arabian Oil Company | 14275 |
2 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 259 |
2 |
| Tohoku University | 2989 |
2 |
| Tokuyama Corporation | 1482 |
2 |
| University of Louisville Research Foundation, Inc. | 741 |
2 |
| DDP Specialty Electronic Materials US 8 LLC | 149 |
2 |
| Other owners | 69 |