Materials for organic electroluminescent devices
US-11639339-B2 · May 2, 2023 · US
having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton · 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 | C07C211/57 |
| Official title | having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton |
| Display label | having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton |
| Total patents | 99 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 18 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-2023024273-A1 · Jan 26, 2023 · US
Nitrogen-containing compounds, electronic elements and electronic devices
US-2022416164-A1 · Dec 29, 2022 · US
Organic photodetector and electronic device including the same
US-2022402859-A1 · Dec 22, 2022 · US
Organic light-emitting element
US-2022399501-A1 · Dec 15, 2022 · US
Nitrogen-containing compound, electronic element, and electronic device
US-2022384730-A1 · Dec 1, 2022 · US
Materials for electronic devices
US-11302870-B2 · Apr 12, 2022 · US
Materials for electronic devices
US-2022073447-A1 · Mar 10, 2022 · US
Amine compound and light-emitting device including same
US-2022059770-A1 · Feb 24, 2022 · US
Amine compound and organic light-emitting device including the same
US-2022052263-A1 · Feb 17, 2022 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2021376240-A1 · Dec 2, 2021 · US
Materials for organic electroluminescent devices
US-2021367155-A1 · Nov 25, 2021 · US
Compound, composition comprising same, and organic light emitting diode comprising same
US-2021253512-A1 · Aug 19, 2021 · US
Amine-based compound and organic light emitting device comprising same
US-11069858-B2 · Jul 20, 2021 · US
Monoamine compound and organic electroluminescence device including the same
US-2021135110-A1 · May 6, 2021 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2021119142-A1 · Apr 22, 2021 · US
Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device
US-2021066596-A1 · Mar 4, 2021 · US
Aromatic amine derivative and organic electroluminescent devices containing the same
US-2021066595-A1 · Mar 4, 2021 · US
Monoamine compound and organic electroluminescence device including the same
US-10923663-B2 · Feb 16, 2021 · US
Materials for organic eletroluminescent devices
US-2021024481-A1 · Jan 28, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C211/57?
- CPC C07C211/57 is the Cooperative Patent Classification code for “having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton.”
- How many patents are filed under CPC C07C211/57 (having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton)?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC C07C211/57 growing?
- Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).