- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/94 - Recovery from nitration acids
Patent holdings for IPC class C01B 17/94
Total number of patents in this class: 10
10-year publication summary
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0
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0
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0
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2
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0
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2
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plinke GmbH | 4 |
3 |
| de Dietrich Process Systems GmbH | 8 |
2 |
| Bayer MaterialScience AG | 704 |
1 |
| MECS, Inc. | 63 |
1 |
| Veolia North America Regeneration Services, LLC | 10 |
1 |
| Zhejiang Rongyao Biotech CO., LTD. | 5 |
1 |
| Kellogg Brown & Root GmbH | 20 |
1 |
| Other owners | 0 |