- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 21/086 - Compounds containing nitrogen and non-metals containing one or more sulfur atoms
Patent holdings for IPC class C01B 21/086
Total number of patents in this class: 271
10-year publication summary
|
12
|
14
|
20
|
18
|
14
|
18
|
40
|
39
|
25
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Specialty Operations France | 943 |
56 |
| Arkema France | 4237 |
29 |
| Nippon Shokubai Co., Ltd. | 1528 |
22 |
| Nippon Soda Co., Ltd. | 884 |
17 |
| Catl-sicong Novel Materials Co., Ltd | 23 |
9 |
| Rhodia Operations | 1477 |
8 |
| CHUNBO Co.,LTD | 13 |
8 |
| Contemporary Amperex Technology Co., Limited | 10746 |
7 |
| SES Holdings Pte. Ltd | 71 |
6 |
| Chunbo BLS Co., Ltd | 6 |
6 |
| Solvay SA | 937 |
5 |
| EP Chemtech Co., Ltd. | 13 |
5 |
| Central Glass Company, Limited | 1298 |
4 |
| Jiujiang Tinci Materials Technology Co., Ltd. | 58 |
4 |
| Chunbo Advanced Materials Co., Ltd. | 4 |
4 |
| Honeywell International Inc. | 12761 |
3 |
| Centre National de La Recherche Scientifique | 11143 |
3 |
| Universite de Poitiers | 192 |
3 |
| Morimatsu (Jiangsu) Heavy Industry Co., Ltd. | 16 |
3 |
| Shanghai Morimatsu Engineering Technology Co., Ltd | 6 |
3 |
| Other owners | 66 |