- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/033 - Recovery of sulfur from material containing elemental sulfur, e.g. luxmassesPurification using a liquid extractant
Patent holdings for IPC class C01B 17/033
Total number of patents in this class: 18
10-year publication summary
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1
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1
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1
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1
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0
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1
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2
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0
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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
|
|---|---|---|
| Elemental Recycling, Inc. | 10 |
6 |
| Total SA | 494 |
2 |
| Frames Biogas Processing B.V. | 2 |
2 |
| GERNTHOLTZ, Otto, Carl | 14 |
2 |
| Rio Tinto Technological Resources Inc. | 15 |
2 |
| JX Nippon Mining & Metals Corporation | 1488 |
1 |
| Outotec (Finland) Oy | 480 |
1 |
| Cobalt Blue Holdings Limited | 3 |
1 |
| Merichem Technologies, LLC | 64 |
1 |
| Other owners | 0 |