Crystal forms of triazine dione derivative and preparation method therefor
US-2025326743-A1 · Oct 23, 2025 · US
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containing two hetero rings
containing two hetero rings · 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 | C07D407/02 |
| Official title | containing two hetero rings |
| Display label | containing two hetero rings |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-2025324847-A1 · Oct 16, 2025 · US
Substituted coumarin dyes and uses as fluorescent labels
US-2025290137-A1 · Sep 18, 2025 · US
Substituted coumarin dyes and uses as fluorescent labels
US-12351871-B2 · Jul 8, 2025 · US
Substituted coumarin dyes and uses as fluorescent labels
US-2024271209-A1 · Aug 15, 2024 · US
Substituted coumarin dyes and uses as fluorescent labels
US-11981964-B2 · May 14, 2024 · US
Substituted coumarin dyes and uses as fluorescent labels
US-2022033900-A1 · Feb 3, 2022 · US
Compound for organic electronic element, organic electronic element comprising the same, and electronic device thereof
US-10968208-B2 · Apr 6, 2021 · US
Composition, organic optoelectronic device, and display device
US-2021070706-A1 · Mar 11, 2021 · US
Compound for organic electronic element, organic electronic element comprising the same, and electronic device thereof
US-2020223835-A1 · Jul 16, 2020 · US
Metal catalyzed dearomative 1,2-carboamination
US-10336737-B2 · Jul 2, 2019 · US
Mangiferin-6-O-berberine salt and preparation method and use thereof
US-10285969-B2 · May 14, 2019 · US
Compounds for binding proprotein convertase subtilisin/kexin type 9 (pcsk9)
US-2019119236-A1 · Apr 25, 2019 · US
Metal catalyzed dearomative 1,2-carboamination
US-2018362513-A1 · Dec 20, 2018 · US
Liquid crystal compound having xanthene skeleton and exhibiting negative dielectric anisotropy, liquid crystal composition and liquid crystal display device
US-9879182-B2 · Jan 30, 2018 · US
Mangiferin-6-o-berberine salt and preparation method and use thereof
US-2017273940-A1 · Sep 28, 2017 · US
Organic compound, organic optoelectronic device and display device
US-9653690-B2 · May 16, 2017 · US
Liquid crystal compound having xanthene skeleton and exhibiting negative dielectric anisotropy, liquid crystal composition and liquid crystal display device
US-2016068754-A1 · Mar 10, 2016 · US
Organic compound, organic optoelectronic device and display device
US-2015349270-A1 · Dec 3, 2015 · US