Compound, organic electroluminescent element, and electronic device
US-2025098521-A1 · Mar 20, 2025 · US
at least one ring not being six-membered, the other rings being at the most six-membered · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C13/547 |
| Official title | at least one ring not being six-membered, the other rings being at the most six-membered |
| Display label | at least one ring not being six-membered, the other rings being at the most six-membered |
| Total patents | 22 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025098521-A1 · Mar 20, 2025 · US
US-2025089561-A1 · Mar 13, 2025 · US
US-2025084047-A1 · Mar 13, 2025 · US
US-11873301-B2 · Jan 16, 2024 · US
US-2023286920-A1 · Sep 14, 2023 · US
US-11739092-B2 · Aug 29, 2023 · US
US-2023250099-A1 · Aug 10, 2023 · US
US-11673865-B2 · Jun 13, 2023 · US
US-2022402876-A1 · Dec 22, 2022 · US
US-11453628-B2 · Sep 27, 2022 · US
US-2022278295-A1 · Sep 1, 2022 · US
US-11377424-B1 · Jul 5, 2022 · US
US-2021387987-A1 · Dec 16, 2021 · US
US-2021083192-A1 · Mar 18, 2021 · US
US-2020317704-A1 · Oct 8, 2020 · US
US-10774185-B2 · Sep 15, 2020 · US
US-2020181045-A1 · Jun 11, 2020 · US
US-2019225757-A1 · Jul 25, 2019 · US
US-10227433-B2 · Mar 12, 2019 · US
US-2016380203-A1 · Dec 29, 2016 · US