- 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
|
12
|
9
|
8
|
10
|
9
|
6
|
2
|
3
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4051 |
16 |
| Uop LLC | 4236 |
8 |
| Rasa Industries, Ltd. | 21 |
7 |
| Tosoh Corporation | 1280 |
7 |
| Korea Advanced Institute of Science and Technology | 4362 |
4 |
| Ebara Corporation | 2163 |
3 |
| Ceca S.A. | 46 |
3 |
| Sinanen Zeomic Co., Ltd. | 12 |
3 |
| China Petroleum & Chemical Corporation | 1882 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1656 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 675 |
2 |
| Katholieke Universiteit Leuven | 1186 |
2 |
| Research Institute of Industrial Science & Technology | 502 |
2 |
| Saudi Arabian Oil Company | 12947 |
2 |
| Sekisui Chemical Co., Ltd. | 3385 |
2 |
| SK Innovation Co., Ltd. | 1327 |
2 |
| Waseda University | 450 |
2 |
| BASF SE | 20892 |
1 |
| BASF Corporation | 1717 |
1 |
| Chevron U.S.A. Inc. | 3947 |
1 |
| Other owners | 35 |