- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/34 - Polysulfides of sodium or potassium
Patent holdings for IPC class C01B 17/34
Total number of patents in this class: 13
10-year publication summary
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2
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1
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2
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1
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1
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0
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1
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1
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Andritz Oy | 287 |
2 |
| Solenis Technologies Cayman, L.P. | 311 |
2 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 194 |
2 |
| University Public Corporation Osaka | 260 |
2 |
| Tessenderlo Kerley, Inc. | 130 |
1 |
| Valmet AB | 519 |
1 |
| Enlighten Innovations Inc. | 93 |
1 |
| Bewo Marketing & Brokerage | 1 |
1 |
| E&B Nanotech.co.,ltd | 1 |
1 |
| Other owners | 0 |