Heterocyclic compound, and organic light-emitting element using same
US-12404280-B2 · Sep 2, 2025 · US
condensed with carbocyclic rings or {carbocyclic} ring systems
condensed with carbocyclic rings or {carbocyclic} 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 | C07F9/6541 |
| Official title | condensed with carbocyclic rings or {carbocyclic} ring systems |
| Display label | condensed with carbocyclic rings or {carbocyclic} ring systems |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Novel pyrimidine derivative and use thereof
US-2024270698-A2 · Aug 15, 2024 · US
Novel pyrimidine derivative and use thereof
US-2023348399-A1 · Nov 2, 2023 · US
Spiro[3.3]heptane derivatives for the treatment and prophylaxis of hepatitis b virus infection
US-2023331715-A1 · Oct 19, 2023 · US
INHIBITORS OF PSEUDOMONAS AERUGINOSA VIRULENCE FACTOR LasB
US-2023321123-A1 · Oct 12, 2023 · US
Dimeric compounds as sting agonists
US-2023074558-A1 · Mar 9, 2023 · US
Organic electronic device comprising an organic semiconductor layer
US-11502258-B2 · Nov 15, 2022 · US
Heterocyclic compound, and organic light-emitting element using same
US-2022324877-A1 · Oct 13, 2022 · US
Amine prodrugs of pharmaceutical compounds
US-11083711-B2 · Aug 10, 2021 · US
Organic Electronic Device Comprising an Organic Semiconductor Layer
US-2020161559-A1 · May 21, 2020 · US
Substituted tricyclic heterocyclic compounds
US-10633354-B2 · Apr 28, 2020 · US
Amine prodrugs of pharmaceutical compounds
US-2019365721-A1 · Dec 5, 2019 · US
Substituted tricyclic heterocyclic compounds
US-2019218193-A1 · Jul 18, 2019 · US
Protein biosensors, cross reactive sensor arrays and methods of use thereof
US-10281459-B2 · May 7, 2019 · US
Mitochondrial uncouplers for treatment of metabolic diseases and cancer
US-10227315-B2 · Mar 12, 2019 · US
In Situ Chemiluminescent Substrates and Assays
US-2018299456-A1 · Oct 18, 2018 · US
In situ chemiluminescent substrates and assays
US-10031142-B2 · Jul 24, 2018 · US
Phosphonate derivatives and methods of use thereof in the treatment of Alzheimer's disease
US-9738668-B2 · Aug 22, 2017 · US
Molecular sensor and methods of use thereof
US-9696310-B2 · Jul 4, 2017 · US
Phosphonate derivatives and methods of use thereof in the treatment of alzheimer's disease
US-2016263133-A1 · Sep 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/6541?
- CPC C07F9/6541 is the Cooperative Patent Classification code for “condensed with carbocyclic rings or {carbocyclic} ring systems.”
- How many patents are filed under CPC C07F9/6541 (condensed with carbocyclic rings or {carbocyclic} ring systems)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/6541 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).