Transmitter for transmitting data and for emitting electromagnetic radiation in the visible spectral range and data transmission system
US-11496223-B2 · Nov 8, 2022 · US
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Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
Dyes with an anthracene nucleus condensed with one or more carbocyclic 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 | C09B3/00 |
| Official title | Dyes with an anthracene nucleus condensed with one or more carbocyclic rings |
| Display label | Dyes with an anthracene nucleus condensed with one or more carbocyclic rings |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Antiaromatic compounds and organic light-emitting devices comprising the same
US-10790452-B2 · Sep 29, 2020 · US
Transmitter for transmitting data and for emitting electromagnetic radiation in the visible spectral range and data transmission system
US-2020259567-A1 · Aug 13, 2020 · US
Amine-based compound and organic light-emitting device including the same
US-10290820-B2 · May 14, 2019 · US
NAPHTHO[2,1-b]FLUORANTHENE COMPOUND, ORGANIC LIGHT-EMITTING DEVICE, DISPLAY APPARATUS, LIGHTING APPARATUS, IMAGE FORMING APPARATUS, AND EXPOSING APPARATUS
US-2016141506-A1 · May 19, 2016 · US
Amine-based compound and organic light-emitting device including the same
US-2015364705-A1 · Dec 17, 2015 · US
Antiaromatic compounds and organic light-emitting devices comprising the same
US-2015357578-A1 · Dec 10, 2015 · US
Photoelectric conversion device, photoelectric conversion device material, photosensor and imaging device
US-9070887-B2 · Jun 30, 2015 · US