- 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: 107
10-year publication summary
|
7
|
7
|
9
|
9
|
6
|
2
|
3
|
5
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4163 |
14 |
| Uop LLC | 4273 |
8 |
| Rasa Industries, Ltd. | 22 |
7 |
| Tosoh Corporation | 1355 |
7 |
| Korea Advanced Institute of Science and Technology | 4518 |
4 |
| Ebara Corporation | 2252 |
3 |
| Ceca S.A. | 45 |
3 |
| China Petroleum & Chemical Corporation | 1997 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1664 |
2 |
| Council of Scientific and Industrial Research | 591 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 685 |
2 |
| Research Institute of Industrial Science & Technology | 514 |
2 |
| Saudi Arabian Oil Company | 13857 |
2 |
| Sekisui Chemical Co., Ltd. | 3528 |
2 |
| Sinanen Zeomic Co., Ltd. | 11 |
2 |
| SK Innovation Co., Ltd. | 1401 |
2 |
| Waseda University | 462 |
2 |
| BASF SE | 21134 |
1 |
| BASF Corporation | 1695 |
1 |
| Sumitomo Chemical Company, Limited | 9053 |
1 |
| Other owners | 38 |