Organic electroluminescent materials and devices
US-12239018-B2 · Feb 25, 2025 · US
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Peri-condensed systems
Peri-condensed 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 | C07D517/06 |
| Official title | Peri-condensed systems |
| Display label | Peri-condensed systems |
| Total patents | 6 |
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 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2025 | 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-2021280795-A1 · Sep 9, 2021 · US
Electroactive materials
US-10193070-B2 · Jan 29, 2019 · US
Organic thin film transistor
US-9899605-B2 · Feb 20, 2018 · US
Electroactive materials
US-2017229654-A1 · Aug 10, 2017 · US
Organic thin film transistor
US-2016049592-A1 · Feb 18, 2016 · US