Compound for organic electrical element, organic electrical element using same and electronic device thereof
US-12527215-B2 · Jan 13, 2026 · US
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Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
Heterocyclic compounds containing acridine or hydrogenated acridine ring systems · 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 | C07D219/00 |
| Official title | Heterocyclic compounds containing acridine or hydrogenated acridine ring systems |
| Display label | Heterocyclic compounds containing acridine or hydrogenated acridine ring systems |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2023 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic electroluminescent materials and devices
US-12378197-B2 · Aug 5, 2025 · US
Organic electroluminescence device and compound for organic electroluminescence device
US-11844274-B2 · Dec 12, 2023 · US
Compound for organic electrical element, organic electrical element using same and electronic device thereof
US-2023100154-A1 · Mar 30, 2023 · US
Organic electroluminescence device and compound for organic electroluminescence device
US-2020321535-A1 · Oct 8, 2020 · US
Organic electroluminescent materials and devices
US-2020017508-A1 · Jan 16, 2020 · US
Monomer, organic layer composition, organic layer, and method of forming patterns
US-10364221-B2 · Jul 30, 2019 · US
Monomer, organic layer composition, organic layer, and method of forming patterns
US-2017008843-A1 · Jan 12, 2017 · US
Metal complexes with organic ligands and use thereof in OLEDs
US-9252369-B2 · Feb 2, 2016 · US