B01D 2323/21836
Cyclic amines comprising aromatic heterocyclic n-ring
Official title: Cyclic amines comprising aromatic heterocyclic N-Ring
B01D2323/21836 (Cyclic amines comprising aromatic heterocyclic n-ring) appears on 3 US grants and 4 published applications in this corpus.
Search patents in B01D- Granted patents
- 3
- Published applications
- 4
- Assignees
- 9
- Inventors
- 32
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
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Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.