- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 7/075 - Purification of liquid chlorine
Patent holdings for IPC class C01B 7/075
Total number of patents in this class: 15
10-year publication summary
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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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0
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0
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0
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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
|
|---|---|---|
| NORAM International Limited | 22 |
5 |
| Covestro Deutschland AG | 2747 |
3 |
| BASF SE | 20933 |
2 |
| Bayer MaterialScience AG | 801 |
1 |
| Dow Global Technologies LLC | 10363 |
1 |
| Kaneka Corporation | 4522 |
1 |
| Toagosei Co., Ltd. | 970 |
1 |
| Coverstro Deutschland AG | 3 |
1 |
| Other owners | 0 |