- 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: 238
10-year publication summary
|
10
|
12
|
14
|
20
|
18
|
14
|
18
|
40
|
34
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Specialty Operations France | 800 |
44 |
| Arkema France | 4149 |
29 |
| Nippon Shokubai Co., Ltd. | 1507 |
22 |
| Nippon Soda Co., Ltd. | 893 |
17 |
| Catl-sicong Novel Materials Co., Ltd | 23 |
9 |
| Rhodia Operations | 1586 |
8 |
| Contemporary Amperex Technology Co., Limited | 6732 |
7 |
| SES Holdings Pte. Ltd | 61 |
6 |
| Solvay SA | 992 |
5 |
| CHUNBO Co.,LTD | 8 |
5 |
| EP Chemtech Co., Ltd. | 11 |
5 |
| Honeywell International Inc. | 13567 |
4 |
| Central Glass Company, Limited | 1265 |
4 |
| Chunbo Advanced Materials Co., Ltd. | 4 |
4 |
| Syensqo SA | 122 |
3 |
| Chunbo BLS Co., Ltd | 3 |
3 |
| Centre National de La Recherche Scientifique | 10442 |
2 |
| Sumitomo Electric Industries, Ltd. | 15511 |
2 |
| Daikin Industries, Ltd. | 10016 |
2 |
| CoorsTek Fluorochemicals, Inc. | 8 |
2 |
| Other owners | 55 |