Deuterated fluorophores
US-12552938-B2 · Feb 17, 2026 · US
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Benzanthraquinones
Benzanthraquinones · 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 | C09B3/58 |
| Official title | Benzanthraquinones |
| Display label | Benzanthraquinones |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Deuterated Fluorophores
US-2024052169-A1 · Feb 15, 2024 · US
Deuterated fluorophores
US-11787946-B2 · Oct 17, 2023 · US
Deuterated fluorophores
US-2021347994-A1 · Nov 11, 2021 · US
Deuterated fluorophores
US-11091643-B2 · Aug 17, 2021 · US
Deuterated fluorophores
US-2019367736-A1 · Dec 5, 2019 · US
Anthracene-containing derivative, production process thereof and organic electroluminescent display device
US-10032988-B2 · Jul 24, 2018 · US
Anthracene-containing derivative, production process thereof and organic electroluminescent display device
US-2016064668-A1 · Mar 3, 2016 · US