- All sections
- C - Chemistrymetallurgy
- C01C - Ammoniacyanogencompounds thereof
- C01C 1/244 - Preparation by double decomposition of ammonium salts with sulfates
Patent holdings for IPC class C01C 1/244
Total number of patents in this class: 14
10-year publication summary
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1
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1
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0
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1
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3
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2
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0
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3
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3
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Davy Powersports Inc. | 7 |
4 |
| Evoqua Water Technologies LLC | 914 |
2 |
| Institute of Process Engineering, Chinese Academy of Sciences | 293 |
1 |
| Marsulex Environmental Technologies Corporation | 26 |
1 |
| OCP S.A. | 78 |
1 |
| Politecnico di Milano | 845 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6115 |
1 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 327 |
1 |
| Universite Mohamed VI Polytechnique | 3 |
1 |
| Beijing Columbus Recycling Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |