Organic electroluminescent compound and organic electroluminescent device comprising the same
US-12284910-B2 · Apr 22, 2025 · US
This page is not indexed by search engines while we improve data quality.
condensed with carbocyclic rings or ring systems
condensed with carbocyclic rings or ring 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 | C07D225/04 |
| Official title | condensed with carbocyclic rings or ring systems |
| Display label | condensed with carbocyclic rings or ring systems |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chiral amine-squaramide compound based on spirobiindane skeleton, preparation method and use thereof
US-2024308966-A1 · Sep 19, 2024 · US
Macrocyclic chalcone-amide derived antiviral agents
US-2024207224-A1 · Jun 27, 2024 · US
Heterocyclic compounds for use in electronic devices
US-11329233-B2 · May 10, 2022 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2022052272-A1 · Feb 17, 2022 · US
Compounds for the detection, capture and/or separation of polluting gases
US-10940425-B2 · Mar 9, 2021 · US
Synthesis of resorcylic acid lactones useful as therapeutic agents
US-2019359585-A1 · Nov 28, 2019 · US
Heterocyclic compounds for use in electronic devices
US-2019296250-A1 · Sep 26, 2019 · US
Synthesis of resorcylic acid lactones useful as therapeutic agents
US-10239856-B2 · Mar 26, 2019 · US
Compounds for the Detection, Capture and/or Separation of Polluting Gases
US-2019001252-A1 · Jan 3, 2019 · US
Isoxazole derivatives as FXR agonists and methods of use thereof
US-10149835-B2 · Dec 11, 2018 · US
Organic electroluminescent materials and devices
US-9978956-B2 · May 22, 2018 · US
Isoxazole Derivatives as FXR Agonists and Methods of Use Thereof
US-2017333399-A1 · Nov 23, 2017 · US
Heterocyclic compounds
US-9790187-B2 · Oct 17, 2017 · US
Organic electroluminescent materials and devices
US-2017018721-A1 · Jan 19, 2017 · US
Synthesis of resorcylic acid lactones useful as therapeutic agents
US-2016075677-A1 · Mar 17, 2016 · US
Heterocyclic compounds
US-2015307455-A1 · Oct 29, 2015 · US
Heterocyclic compounds
US-9102683-B2 · Aug 11, 2015 · US
Synthesis of resorcylic acid lactones useful as therapeutic agents
US-9051302-B2 · Jun 9, 2015 · US
Condensed-cyclic compound and organic light emitting diode having organic layer including the same
US-9045419-B2 · Jun 2, 2015 · US