- All sections
- C - Chemistrymetallurgy
- C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium
- C01D 3/22 - Preparation in the form of granules, pieces, or other shaped products
Patent holdings for IPC class C01D 3/22
Total number of patents in this class: 29
10-year publication summary
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1
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1
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3
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5
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4
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3
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1
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3
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0
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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 |
7 |
| Karnalyte Resources Inc. | 15 |
2 |
| W.M. Barr & Company, Inc. | 207 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1651 |
1 |
| Compass Minerals America Inc. | 99 |
1 |
| Council of Scientific & Industrial Research | 1425 |
1 |
| Creighton University | 92 |
1 |
| Denka Company Limited | 2573 |
1 |
| Haver & Boecker OHG | 227 |
1 |
| K+S KALI GmbH | 11 |
1 |
| The Mosaic Company | 208 |
1 |
| National University of Singapore | 2449 |
1 |
| North American Salt Company | 7 |
1 |
| Sasaki Chemical Co., Ltd. | 8 |
1 |
| Breakwall Technology LLC | 1 |
1 |
| 9533109 Canada Inc. | 2 |
1 |
| Tianjin University of Science and Technology | 72 |
1 |
| Trisal, S.A. | 2 |
1 |
| K+S Minerals and Agriculture GmbH | 193 |
1 |
| Kencryst Limited | 1 |
1 |
| Other owners | 1 |