Deuterated fluorophores
US-2021347994-A1 · Nov 11, 2021 · US
Acridine dyes
Acridine dyes · 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 | C09B15/00 |
| Official title | Acridine dyes |
| Display label | Acridine dyes |
| Total patents | 93 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 14 |
| 2018 | 14 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
DDAO Compounds as Fluorescent Reference Standards
US-2021292818-A1 · Sep 23, 2021 · US
Fluorescent Organic Light Emitting Elements Having High Efficiency
US-2020259100-A1 · Aug 13, 2020 · US
Small-molecule organic dyes
US-2020255667-A1 · Aug 13, 2020 · US
Fluorescent organic light emitting elements having high efficiency
US-10586930-B2 · Mar 10, 2020 · US
Fluorescent compositions
US-10538701-B1 · Jan 21, 2020 · US
Deuterated fluorophores
US-2019367736-A1 · Dec 5, 2019 · US
Azetidine-substituted fluorescent compounds
US-10495632-B2 · Dec 3, 2019 · US
Compound and photoelectric device, image sensor and electronic device including the same
US-10461256-B2 · Oct 29, 2019 · US
Compound, light emitting material, and organic light emitting device
US-10439148-B2 · Oct 8, 2019 · US
Azatriangulenium salts as PET-quenched fluorescent probes
US-10364249-B2 · Jul 30, 2019 · US
Enhanced fluorescence readout and reduced inhibition for nucleic acid amplification tests
US-2019119737-A1 · Apr 25, 2019 · US
DDAO Compounds as Fluorescent Reference Standards
US-2019119732-A1 · Apr 25, 2019 · US
Azetidine-substituted fluorescent compounds
US-2019107534-A1 · Apr 11, 2019 · US
Transparent optical article having a colorless appearance
US-10203524-B2 · Feb 12, 2019 · US
Dyes with phosphinic acid, phosphinate, phosphonate and phosphonamidate substituents as auxochromic groups and methods for preparing the same
US-10174202-B2 · Jan 8, 2019 · US
Azetidine-substituted fluorescent compounds
US-10161932-B2 · Dec 25, 2018 · US
Photoelectric conversion element and solid-state imaging device
US-2018342627-A1 · Nov 29, 2018 · US
Fluorescent organic light emitting elements having high efficiency
US-10135004-B2 · Nov 20, 2018 · US
DDAO compounds as fluorescent reference standards
US-10131936-B2 · Nov 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B15/00?
- CPC C09B15/00 is the Cooperative Patent Classification code for “Acridine dyes.”
- How many patents are filed under CPC C09B15/00 (Acridine dyes)?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC C09B15/00 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).