Compound and organic light emitting device comprising the same
US-2026090199-A1 · Mar 26, 2026 · US
with hydrogen or carbon atoms directly attached to at least one ring carbon atom
with hydrogen or carbon atoms directly attached to at least one ring carbon atom · 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 | C07D251/14 |
| Official title | with hydrogen or carbon atoms directly attached to at least one ring carbon atom |
| Display label | with hydrogen or carbon atoms directly attached to at least one ring carbon atom |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 6 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nucleating agent, synthetic-resin composition containing same, and molded object thereof
US-12540122-B2 · Feb 3, 2026 · US
Organic electroluminescent element, compound, and electronic device
US-2025359477-A1 · Nov 20, 2025 · US
Electroluminescent element, and light emitting device, display device and lighting device each using organic electroluminescent element
US-11844229-B2 · Dec 12, 2023 · US
Ortho-substituted thermally activated delayed fluorescence material and organic light-emitting device comprising same
US-2023380274-A1 · Nov 23, 2023 · US
Ortho-substituted thermally activated delayed fluorescence material and organic light-emitting device comprising same
US-11758808-B2 · Sep 12, 2023 · US
Impact of trace elements in the Grignard reaction
US-11697641-B2 · Jul 11, 2023 · US
Ortho-substituted thermally activated delayed fluorescence material and organic light-emitting device comprising same
US-2023189641-A1 · Jun 15, 2023 · US
Fluorene derivative and organic light emitting device comprising same
US-11542237-B2 · Jan 3, 2023 · US
Compositions and methods for protecting coatings from the deleterious effects of exposure to uv-c light
US-2022411646-A1 · Dec 29, 2022 · US
Organic electronic device comprising an organic semiconductor layer
US-11502258-B2 · Nov 15, 2022 · US
Impact of trace elements in the grignard reaction
US-2022251050-A1 · Aug 11, 2022 · US
Nucleating agent, synthetic-resin composition containing same, and molded object thereof
US-2021395209-A1 · Dec 23, 2021 · US
Composition, organic optoelectronic device, and display device
US-2021070706-A1 · Mar 11, 2021 · US
Organic compound, composition, organic optoelectronic diode, and display device
US-10873033-B2 · Dec 22, 2020 · US
Organic electroluminescent materials and devices
US-2020325125-A1 · Oct 15, 2020 · US
Electroluminescent Element, And Light Emitting Device, Display Device And Lighting Device Each Using Organic Electroluminescent Element
US-2020203648-A1 · Jun 25, 2020 · US
Organic Electronic Device Comprising an Organic Semiconductor Layer
US-2020161559-A1 · May 21, 2020 · US
Materials for electronic devices
US-10651389-B2 · May 12, 2020 · US
Fluorene derivative and organic light emitting device comprising same
US-2020131138-A1 · Apr 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D251/14?
- CPC C07D251/14 is the Cooperative Patent Classification code for “with hydrogen or carbon atoms directly attached to at least one ring carbon atom.”
- How many patents are filed under CPC C07D251/14 (with hydrogen or carbon atoms directly attached to at least one ring carbon atom)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C07D251/14 growing?
- Publication counts under this code: 6 in 2023 vs 1 in 2025 (latest complete years).