- 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 | 4237 |
14 |
| Uop LLC | 4411 |
9 |
| Rasa Industries, Ltd. | 24 |
7 |
| Tosoh Corporation | 1441 |
7 |
| Korea Advanced Institute of Science and Technology | 4736 |
4 |
| Ebara Corporation | 2385 |
3 |
| Ceca S.A. | 43 |
3 |
| China Petroleum & Chemical Corporation | 2190 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1650 |
2 |
| Council of Scientific and Industrial Research | 606 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 689 |
2 |
| Research Institute of Industrial Science & Technology | 575 |
2 |
| Saudi Arabian Oil Company | 14416 |
2 |
| Sekisui Chemical Co., Ltd. | 3669 |
2 |
| Sinanen Zeomic Co., Ltd. | 10 |
2 |
| SK Innovation Co., Ltd. | 1508 |
2 |
| Waseda University | 473 |
2 |
| Sinopec Research Institute of Petroleum Processing Co., Ltd. | 141 |
2 |
| BASF SE | 21334 |
1 |
| BASF Corporation | 1680 |
1 |
| Other owners | 38 |