Refining method
US-12590075-B2 · Mar 31, 2026 · US
having a double bond between positions 10 and 11
having a double bond between positions 10 and 11 · 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 | C07D223/26 |
| Official title | having a double bond between positions 10 and 11 |
| Display label | having a double bond between positions 10 and 11 |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refining method
US-2025179038-A1 · Jun 5, 2025 · US
Host material, composition, and organic electroluminescent element
US-2025051636-A1 · Feb 13, 2025 · US
Composition, film, organic light emitting element, method for providing light emitting composition, and program
US-12180399-B2 · Dec 31, 2024 · US
Host material, composition, and organic electroluminescent element
US-12163074-B2 · Dec 10, 2024 · US
Refining method
US-2023167577-A1 · Jun 1, 2023 · US
Refining method
US-2023150958-A1 · May 18, 2023 · US
Refining method
US-2023150957-A1 · May 18, 2023 · US
Composition, film, organic light emitting element, method for providing light emitting composition, and program
US-2023119624-A1 · Apr 20, 2023 · US
Host material, composition, and organic electroluminescent element
US-2023113918-A1 · Apr 13, 2023 · US
Phenanthrene compounds for organic electronic devices
US-11424411-B2 · Aug 23, 2022 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-10633344-B2 · Apr 28, 2020 · US
Phenanthrene compounds for organic electronic devices
US-2019393414-A1 · Dec 26, 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
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-2019169130-A1 · Jun 6, 2019 · US
Phenanthrene compounds for organic electronic devices
US-2018102479-A1 · Apr 12, 2018 · US
Constrained tricyclic sulfonamides
US-9937180-B2 · Apr 10, 2018 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-2017362182-A1 · Dec 21, 2017 · US
Phenanthrene compounds for organic electronic devices
US-9799833-B2 · Oct 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D223/26?
- CPC C07D223/26 is the Cooperative Patent Classification code for “having a double bond between positions 10 and 11.”
- How many patents are filed under CPC C07D223/26 (having a double bond between positions 10 and 11)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C07D223/26 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).