B01D 2323/21835
Cyclic amines comprising heterocyclic n-ring
Official title: Cyclic amines comprising heterocyclic N-Ring, e.g. pyridine
B01D2323/21835 (Cyclic amines comprising heterocyclic n-ring) appears on 1 US grants and 3 published applications in this corpus.
Search patents in B01D- Granted patents
- 1
- Published applications
- 3
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 14 Jun 2022
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| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
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By later US patents