- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/027 - Recovery of sulfur from material containing elemental sulfur, e.g. luxmassesPurification
Patent holdings for IPC class C01B 17/027
Total number of patents in this class: 20
10-year publication summary
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2
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0
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1
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0
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1
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0
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0
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0
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0
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluor Technologies Corporation | 375 |
7 |
| Phillips 66 Company | 1054 |
3 |
| Bridgestone Corporation | 7228 |
1 |
| Korea Research Institute of Standards and Science | 678 |
1 |
| Kunming University of Science and Technology | 190 |
1 |
| Lifezone Limited | 5 |
1 |
| New Sky Energy Intellectual Property Holding Company, LLC | 1 |
1 |
| North Carolina State University | 1570 |
1 |
| Chengdu Tianli Chemical Technology Co., Ltd | 1 |
1 |
| Sulphur Solutions | 1 |
1 |
| Zaozhuang Dexin Environmental Protection Technology Ltd. | 2 |
1 |
| KNM International Sdn. Bhd. | 1 |
1 |
| Other owners | 0 |