Organic electroluminescent materials and devices
US-2024246999-A1 · Jul 25, 2024 · US
in which the condensed system contains four or more hetero rings
in which the condensed system contains four or more hetero rings · 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 | C07D517/22 |
| Official title | in which the condensed system contains four or more hetero rings |
| Display label | in which the condensed system contains four or more hetero rings |
| Total patents | 74 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 12 |
| 2019 | 7 |
| 2020 | 12 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic apparatus including organic photodiode and organic light-emitting device
US-2024147824-A1 · May 2, 2024 · US
Compound and sensor and sensor embedded display panel and electronic device
US-2023192721-A1 · Jun 22, 2023 · US
Organic compound and sensor and sensor embedded display panel and electronic device
US-2023134363-A1 · May 4, 2023 · US
Organic semiconducting compounds
US-11508910-B2 · Nov 22, 2022 · US
Sensor-embedded display panel and electronic device
US-2022367570-A1 · Nov 17, 2022 · US
Organic compound and electroluminescent device containing the same
US-11492360-B2 · Nov 8, 2022 · US
Composition for photoelectric device, and photoelectric device, image sensor and electronic device including the same
US-2022289767-A1 · Sep 15, 2022 · US
Organic compound and organic electroluminescence device using the same
US-2022251077-A1 · Aug 11, 2022 · US
Composition for photoelectric device, and photoelectric device, image sensor, and electronic device including the same
US-2022220127-A1 · Jul 14, 2022 · US
Fused polycyclic heteroaromatic compound and organic thin film and electronic device
US-11242357-B2 · Feb 8, 2022 · US
Compound, production method therefor, and organic semiconductor material obtained using said compound
US-2021399228-A1 · Dec 23, 2021 · US
Organic semiconductor element, organic semiconductor composition, method of manufacturing organic semiconductor film, organic semiconductor film, and compound and polymer using the same
US-11081651-B2 · Aug 3, 2021 · US
Non-fullerene acceptor compound containing benzoselenadiazole and organic optoelectronic device including the same
US-2021230130-A1 · Jul 29, 2021 · US
Compound and photoelectric device, image sensor, and electronic device including the same
US-2021234103-A1 · Jul 29, 2021 · US
Compound and thin film transistor and electronic device
US-11066418-B2 · Jul 20, 2021 · US
Compound and organic thin film and thin film transistor and electronic device
US-11038116-B2 · Jun 15, 2021 · US
Organic electroluminescent materials and devices
US-2021122765-A1 · Apr 29, 2021 · US
Organic semiconducting compounds
US-10991893-B2 · Apr 27, 2021 · US
Organic compound and electroluminescent device containing the same
US-2020231602-A1 · Jul 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D517/22?
- CPC C07D517/22 is the Cooperative Patent Classification code for “in which the condensed system contains four or more hetero rings.”
- How many patents are filed under CPC C07D517/22 (in which the condensed system contains four or more hetero rings)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC C07D517/22 growing?
- Publication counts under this code: 5 in 2024 vs 10 in 2025 (latest complete years).