- All sections
- C - Chemistrymetallurgy
- C01C - Ammoniacyanogencompounds thereof
- C01C 1/24 - Sulfates of ammonium
Patent holdings for IPC class C01C 1/24
Total number of patents in this class: 150
10-year publication summary
|
3
|
9
|
13
|
14
|
15
|
13
|
8
|
9
|
6
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cap III B.V. | 56 |
7 |
| Jiangnan Environmental Protection Group Inc. | 57 |
6 |
| ThioSolv, LLC | 23 |
5 |
| Yara International ASA | 909 |
4 |
| Honeywell International Inc. | 12767 |
3 |
| Evoqua Water Technologies LLC | 928 |
3 |
| Korea Institute of Geoscience and Mineral Resources | 260 |
3 |
| Council of Scientific and Industrial Research | 603 |
2 |
| GEA Messo GmbH | 9 |
2 |
| ICL Europe Cooperatief U.A. | 126 |
2 |
| IFP Energies Nouvelles | 3125 |
2 |
| Iogen Corporation | 160 |
2 |
| JFE Steel Corporation | 7675 |
2 |
| Kop-Coat, Inc. | 68 |
2 |
| Marsulex Environmental Technologies Corporation | 26 |
2 |
| The Michigan Biotechnology Institute | 15 |
2 |
| NanTong Acetic Acid Chemical Co., Ltd. | 9 |
2 |
| Organo Corporation | 555 |
2 |
| PCI Nitrogen, LLC | 4 |
2 |
| Research Institute of Industrial Science & Technology | 574 |
2 |
| Other owners | 93 |