Amino quinazoline derivatives as P2X3 inhibitors
US-12466820-B2 · Nov 11, 2025 · US
Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D451/00 |
| Official title | Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof |
| Display label | Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dizocilpine derivatives as peripheral NMDA receptor antagonists
US-12274694-B2 · Apr 15, 2025 · US
Compounds and Compositions for Selective Degradation of Engineered Proteins
US-2024327381-A1 · Oct 3, 2024 · US
Compounds and compositions for the treatment of cystic fibrosis
US-11999734-B2 · Jun 4, 2024 · US
Dizocilpine derivatives as peripheral NMDA receptor antagonists
US-11944616-B2 · Apr 2, 2024 · US
QUINAZOLINE PAN-KRas INHIBITORS
US-2024025907-A1 · Jan 25, 2024 · US
Novel dizocilpine derivatives as peripheral nmda receptor antagonists
US-2023285381-A1 · Sep 14, 2023 · US
Cereblon binders for the degradation of ikaros
US-11753397-B2 · Sep 12, 2023 · US
Amino quinazoline derivatives as p2x3 inhibitors
US-2023092892-A1 · Mar 23, 2023 · US
Novel dizocilpine derivatives as peripheral nmda receptor antagonists
US-2022280498-A1 · Sep 8, 2022 · US
Amino quinazoline derivatives as p2x3 inhibitors
US-2022227749-A1 · Jul 21, 2022 · US
Dizocilpine derivatives as peripheral NMDA receptor antagonists
US-11376245-B2 · Jul 5, 2022 · US
PD-1/PD-L1 inhibitors
US-11236085-B2 · Feb 1, 2022 · US
Compounds and compositions for the treatment of cystic fibrosis
US-2021292324-A1 · Sep 23, 2021 · US
Preparation of bioconjugates and antibodies for the immunodetection of anatoxin-a
US-11054415-B2 · Jul 6, 2021 · US
Cereblon binders for the degradation of ikaros
US-2021009559-A1 · Jan 14, 2021 · US
Tricyclic compounds and their use in the treatment of cancer
US-10881653-B2 · Jan 5, 2021 · US
Therapeutic compound for pain and synthesis thereof
US-10766898-B2 · Sep 8, 2020 · US
Biphenyl compound or salt thereof
US-10723742-B2 · Jul 28, 2020 · US
Pd-1/pd-l1 inhibitors
US-2020157094-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D451/00?
- CPC C07D451/00 is the Cooperative Patent Classification code for “Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof.”
- How many patents are filed under CPC C07D451/00 (Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC C07D451/00 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).