Compound or salt thereof
US-2022401590-A1 · Dec 22, 2022 · US
Aza-phenanthrenes
Aza-phenanthrenes · 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 | C07D221/10 |
| Official title | Aza-phenanthrenes |
| Display label | Aza-phenanthrenes |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic light-emitting device
US-11362280-B2 · Jun 14, 2022 · US
Organic light-emitting device
US-11342508-B2 · May 24, 2022 · US
Organic light-emitting device
US-11271167-B2 · Mar 8, 2022 · US
Heterocyclic compound and organic light emitting device using same
US-11239427-B2 · Feb 1, 2022 · US
Catalyst-free and redox-neutral innate trifluoromethylation and alkylation of (hetero)aromatics enabled by light
US-11098036-B2 · Aug 24, 2021 · US
Method for producing lactam compound, and lactam compound produced thereby
US-11046661-B2 · Jun 29, 2021 · US
Substituted 2-pyridone tricyclic compounds, analogues thereof, and methods using same
US-2021017186-A1 · Jan 21, 2021 · US
Compound, display panel and display apparatus
US-2020373501-A1 · Nov 26, 2020 · US
Method for producing lactam compound, and lactam compound produced thereby
US-2020331871-A1 · Oct 22, 2020 · US
Tricyclic sulfones as RORγ modulators
US-10711020-B2 · Jul 14, 2020 · US
Catalyst-free and redox-neutral innate trifluoromethylation and alkylation of (hetero)aromatics enabled by light
US-2020216430-A1 · Jul 9, 2020 · US
Fluoranthene compound, and organic electronic device comprising same
US-10680182-B2 · Jun 9, 2020 · US
Manganese (III) catalyzed C—H aminations
US-10611786-B2 · Apr 7, 2020 · US
Chemoproteomic approach for discovering covalent ligands for diverse protein targets
US-2020048204-A1 · Feb 13, 2020 · US
Six-membered ring benzo derivatives as DPP-4 inhibitor and use thereof
US-10479798-B2 · Nov 19, 2019 · US
Chiral auxiliaries
US-10428019-B2 · Oct 1, 2019 · US
Triarylamine-substituted benzo[H]quinoline-derivatives as materials for electronic devices
US-10407394-B2 · Sep 10, 2019 · US
Tricyclic sulfones as ror gamma modulators
US-2019241588-A1 · Aug 8, 2019 · US
Tricyclic sulfones as RORγ modulators
US-10273259-B2 · Apr 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D221/10?
- CPC C07D221/10 is the Cooperative Patent Classification code for “Aza-phenanthrenes.”
- How many patents are filed under CPC C07D221/10 (Aza-phenanthrenes)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC C07D221/10 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).