- 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: 109
10-year publication summary
|
7
|
7
|
9
|
9
|
6
|
2
|
3
|
5
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 4180 |
14 |
| Uop LLC | 4301 |
8 |
| Rasa Industries, Ltd. | 22 |
7 |
| Tosoh Corporation | 1384 |
7 |
| Korea Advanced Institute of Science and Technology | 4548 |
4 |
| Ebara Corporation | 2267 |
3 |
| Ceca S.A. | 45 |
3 |
| China Petroleum & Chemical Corporation | 2027 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1664 |
2 |
| Council of Scientific and Industrial Research | 578 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 687 |
2 |
| Research Institute of Industrial Science & Technology | 518 |
2 |
| Saudi Arabian Oil Company | 13940 |
2 |
| Sekisui Chemical Co., Ltd. | 3577 |
2 |
| Sinanen Zeomic Co., Ltd. | 10 |
2 |
| SK Innovation Co., Ltd. | 1428 |
2 |
| Waseda University | 461 |
2 |
| Sinopec Research Institute of Petroleum Processing Co., Ltd. | 124 |
2 |
| BASF SE | 21127 |
1 |
| BASF Corporation | 1689 |
1 |
| Other owners | 38 |