Organic compound and organic light-emitting element
US-11492313-B2 · Nov 8, 2022 · US
to carbon atoms of six-membered aromatic rings being part of condensed ring systems
to carbon atoms of six-membered aromatic rings being part of condensed 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 | C07C255/52 |
| Official title | to carbon atoms of six-membered aromatic rings being part of condensed ring systems |
| Display label | to carbon atoms of six-membered aromatic rings being part of condensed ring systems |
| Total patents | 92 |
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 | 12 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 8 |
| 2024 | 12 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tetralin and tetrahydroquinoline compounds as inhibitors of HIF-2α
US-11407712-B2 · Aug 9, 2022 · US
Organic compound, organic electroluminescent device and electronic apparatus
US-2022220049-A1 · Jul 14, 2022 · US
Syntheses, characterizations, and applications of heli-acenes
US-11319266-B2 · May 3, 2022 · US
Compound, composition, organic electroluminescent element and electronic device
US-11271164-B2 · Mar 8, 2022 · US
Compounds that can be used in an organic electronic device as active compounds
US-2021384443-A1 · Dec 9, 2021 · US
Organic compound and organic light-emitting element
US-11196006-B2 · Dec 7, 2021 · US
Compound and organic electronic element comprising same
US-11165025-B2 · Nov 2, 2021 · US
Tetralin and tetrahydroquinoline compounds as inhibitors of hif-2alpha
US-2021317079-A1 · Oct 14, 2021 · US
Materials for electronic devices
US-11063221-B2 · Jul 13, 2021 · US
Organic compound, organic light-emitting element, display apparatus, image pickup apparatus, lighting apparatus, and moving object
US-2021101864-A1 · Apr 8, 2021 · US
Organic compound and organic light-emitting element
US-2020377433-A1 · Dec 3, 2020 · US
Syntheses, characterizations, and applications of heli-acenes
US-2020354294-A1 · Nov 12, 2020 · US
Organic molecules for optoelectronic devices
US-2020290941-A1 · Sep 17, 2020 · US
Organic compound and organic light-emitting element
US-2020111963-A1 · Apr 9, 2020 · US
Organic compound, organic light-emitting element, display apparatus, image pickup apparatus, electronic apparatus, and moving object
US-2020095180-A1 · Mar 26, 2020 · US
Polycyclic compound and organic electroluminescence device including the same
US-10593885-B2 · Mar 17, 2020 · US
Organic compound, organic light-emitting element, display device, imaging device, electronic device, illumination device, and moving object
US-2020048171-A1 · Feb 13, 2020 · US
Materials for electronic devices
US-10559756-B2 · Feb 11, 2020 · US
Bimesogenic compounds and mesogenic media
US-10450508-B2 · Oct 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C255/52?
- CPC C07C255/52 is the Cooperative Patent Classification code for “to carbon atoms of six-membered aromatic rings being part of condensed ring systems.”
- How many patents are filed under CPC C07C255/52 (to carbon atoms of six-membered aromatic rings being part of condensed ring systems)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC C07C255/52 growing?
- Publication counts under this code: 12 in 2024 vs 6 in 2025 (latest complete years).