Organic molecules for use in optoelectronic devices
US-12262635-B2 · Mar 25, 2025 · US
with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms
with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms · 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 | C07D241/48 |
| Official title | with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms |
| Display label | with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochromic films and methods of forming and using
US-11906866-B2 · Feb 20, 2024 · US
Electrochromic compounds for memory electrochromic devices
US-2023266630-A1 · Aug 24, 2023 · US
Phenazine copolymers and uses thereof
US-11692065-B2 · Jul 4, 2023 · US
Arylamine compound and organic light-emitting device including the same
US-11672170-B2 · Jun 6, 2023 · US
Phenyl derivatives substituted with at least two electron acceptors and at least two electron donors for use in organic electronic devices
US-11581495-B2 · Feb 14, 2023 · US
Organic electroluminescent device and manufacturing method thereof
US-11437582-B2 · Sep 6, 2022 · US
Complex crystal and chemosensor provided with same
US-11434213-B2 · Sep 6, 2022 · US
Compound, display panel, and display apparatus
US-11437589-B2 · Sep 6, 2022 · US
Hole transport material, manufacturing method thereof, and electroluminescent device thereof
US-11355713-B2 · Jun 7, 2022 · US
Phenazine copolymers and uses thereof
US-2022153931-A1 · May 19, 2022 · US
Hole transporting material using dihydrophenazine as core and organic light emitting diode
US-11332481-B2 · May 17, 2022 · US
Organic electroluminescent element, display device, lighting device, π-conjugated compound, and light-emitting thin film
US-11329234-B2 · May 10, 2022 · US
Hole transporting material using dihydrophenazine as core and organic light emitting diode
US-2022002316-A1 · Jan 6, 2022 · US
Electrochemical energy storage devices
US-10971718-B2 · Apr 6, 2021 · US
Organic electroluminescent element, display device, lighting device, PI-conjugated compound, and light-emitting thin film
US-10950799-B2 · Mar 16, 2021 · US
Electrochromic films and methods of forming and using
US-2020409225-A1 · Dec 31, 2020 · US
Hole transport material, manufacturing method thereof, and electroluminescent device thereof
US-2020403162-A1 · Dec 24, 2020 · US
Heteroaromatic compound and organic electroluminescence device using the same
US-10844043-B2 · Nov 24, 2020 · US
Arylamine compound and organic light-emitting device including the same
US-2020365806-A1 · Nov 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D241/48?
- CPC C07D241/48 is the Cooperative Patent Classification code for “with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms.”
- How many patents are filed under CPC C07D241/48 (with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC C07D241/48 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).