- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 3/26 - Preventing the absorption of moisture or caking of the crystals
Patent holdings for IPC class C01D 3/26
Total number of patents in this class: 34
10-year publication summary
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0
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0
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6
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2
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3
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3
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1
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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
|
|---|---|---|
| K+S Aktiengesellschaft | 94 |
13 |
| Akzo Nobel Chemicals International B.V. | 432 |
9 |
| Nouryon Chemicals International B.V. | 608 |
4 |
| Compass Minerals America Inc. | 99 |
2 |
| Frito-Lay Trading Company GmbH | 248 |
2 |
| Akzo Nobel Chemicals International B.V. | 8 |
2 |
| Natural Alternatives, LLC | 10 |
1 |
| North American Salt Company | 7 |
1 |
| Other owners | 0 |