- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 39/22 - Type X
Patent holdings for IPC class C01B 39/22
Total number of patents in this class: 110
10-year publication summary
|
9
|
8
|
10
|
9
|
6
|
2
|
3
|
6
|
2
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4238 |
14 |
| Uop LLC | 4393 |
9 |
| Rasa Industries, Ltd. | 24 |
7 |
| Tosoh Corporation | 1414 |
7 |
| Korea Advanced Institute of Science and Technology | 4664 |
4 |
| Ebara Corporation | 2323 |
3 |
| Ceca S.A. | 43 |
3 |
| China Petroleum & Chemical Corporation | 2147 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1654 |
2 |
| Council of Scientific and Industrial Research | 592 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 702 |
2 |
| Research Institute of Industrial Science & Technology | 567 |
2 |
| Saudi Arabian Oil Company | 14207 |
2 |
| Sekisui Chemical Co., Ltd. | 3606 |
2 |
| Sinanen Zeomic Co., Ltd. | 10 |
2 |
| SK Innovation Co., Ltd. | 1483 |
2 |
| Waseda University | 469 |
2 |
| Sinopec Research Institute of Petroleum Processing Co., Ltd. | 139 |
2 |
| BASF SE | 21303 |
1 |
| BASF Corporation | 1682 |
1 |
| Other owners | 38 |