- All sections
- C - Chemistrymetallurgy
- C05B - Phosphatic fertilisers
- C05B 21/00 - Mixtures of phosphatic fertilisers covered by more than one of main groups
Patent holdings for IPC class C05B 21/00
Total number of patents in this class: 9
10-year publication summary
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0
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0
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0
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0
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0
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0
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3
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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
|
|---|---|---|
| The Regents of the University of California | 20924 |
2 |
| Ostara Nutrient Recovery Technologies Inc. | 54 |
2 |
| Honeywell International Inc. | 12767 |
1 |
| Stamicarbon B.V. | 321 |
1 |
| UPL Limited | 639 |
1 |
| Wolf Trax Inc. | 2 |
1 |
| Private Company Limited by shares Innovation Agro Group Limited | 4 |
1 |
| Other owners | 0 |