- All sections
- C - Chemistrymetallurgy
- C01C - Ammoniacyanogencompounds thereof
- C01C 1/247 - Preparation from compounds containing nitrogen and sulfur from sulfur-containing ammonium compounds by oxidation with free oxygen
Patent holdings for IPC class C01C 1/247
Total number of patents in this class: 8
10-year publication summary
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0
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0
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0
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1
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0
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1
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2
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0
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gas Technology Institute | 353 |
4 |
| Vitaworks IP, LLC | 55 |
2 |
| Jiangnan Environmental Protection Group Inc. | 57 |
2 |
| Other owners | 0 |