Compound, hole transport material, and photoelectric conversion element including same
US-12279523-B2 · Apr 15, 2025 · US
with other substituents attached to the ring system
with other substituents attached to the ring system · 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 | C07D279/28 |
| Official title | with other substituents attached to the ring system |
| Display label | with other substituents attached to the ring system |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drug combinations for inhibiting coronavirus replication
US-2025057819-A1 · Feb 20, 2025 · US
Compound, hole transport material, and photoelectric conversion element including same
US-2024099128-A1 · Mar 21, 2024 · US
Proteasome enhancers and uses thereof
US-2024043394-A1 · Feb 8, 2024 · US
Phenothiazine compounds for the treatment of alzheimer's disease and other age-related and neurological diseases
US-2024025868-A1 · Jan 25, 2024 · US
Ubiquitin-specific peptidase 24 inhibitor, medicinal composition including the same and method of delaying or reversing multidrug resistance in cancers using the same
US-11827611-B2 · Nov 28, 2023 · US
New class of antibiotics having low mic-values towards different strains of bacteria
US-2022313656-A1 · Oct 6, 2022 · US
Phenanthrene compounds for organic electronic devices
US-11424411-B2 · Aug 23, 2022 · US
Ubiquitin-specific peptidase 24 inhibitor, medicinal composition including the same and method of delaying or reversing multidrug resistance in cancers using the same
US-2022024887-A1 · Jan 27, 2022 · US
Nupr1 inhibition for treating cancer
US-2021137938-A1 · May 13, 2021 · US
Electrochemical energy storage devices
US-10971718-B2 · Apr 6, 2021 · US
Two-electron donating phenothiazines and use thereof
US-10954201-B2 · Mar 23, 2021 · US
Thermally activated delayed fluorescence material and application thereof in organic electroluminescence device
US-10770661-B2 · Sep 8, 2020 · US
Use of phenothiazine derivative in the treatment of infection caused by bacteria carrying type iv pili
US-2020222418-A1 · Jul 16, 2020 · US
Electrochemical energy storage devices
US-2020050070-A1 · Feb 13, 2020 · US
Phenanthrene compounds for organic electronic devices
US-2019393414-A1 · Dec 26, 2019 · US
Electrochemical energy storage devices
US-10481456-B2 · Nov 19, 2019 · US
Phenanthrene compounds for organic electronic devices
US-10446759-B2 · Oct 15, 2019 · US
Triarylmethane analogs and their use in treating cancers
US-10376522-B2 · Aug 13, 2019 · US
Thermally activated delayed fluorescence material and application thereof in organic electroluminescence device
US-2019074447-A1 · Mar 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D279/28?
- CPC C07D279/28 is the Cooperative Patent Classification code for “with other substituents attached to the ring system.”
- How many patents are filed under CPC C07D279/28 (with other substituents attached to the ring system)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C07D279/28 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).