B01D 2202/20
Use of an ionic liquid in the separation process
B01D2202/20 (Use of an ionic liquid in the separation process) appears on 2 US grants and 5 published applications in this corpus.
Search patents in B01D- Granted patents
- 2
- Published applications
- 5
- Assignees
- 6
- Inventors
- 22
- Latest grant
- 10 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year.
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Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.