Organic electroluminescent element, light-emitting material therefor, light emitting device, display device, and illumination device
US-11744144-B2 · Aug 29, 2023 · US
Other dyes in which the anthracene nucleus is condensed with one or more carbocyclic rings
Other dyes in which the anthracene nucleus is 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 | C09B3/78 |
| Official title | Other dyes in which the anthracene nucleus is condensed with one or more carbocyclic rings |
| Display label | Other dyes in which the anthracene nucleus is condensed with one or more carbocyclic rings |
| Total patents | 36 |
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 | 8 |
| 2016 | 10 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic compound, organic light-emitting element, display device, imaging device, electronic device, illumination device, and moving object
US-11370733-B2 · Jun 28, 2022 · US
Aromatic amine derivative and organic electroluminescent device using the same
US-2021384446-A1 · Dec 9, 2021 · US
Aromatic amine derivative and organic electroluminescent device using the same
US-11133478-B2 · Sep 28, 2021 · US
Methods of using leuco colorants as bluing agents in laundry care compositions
US-11046920-B2 · Jun 29, 2021 · US
Charge transport material, organic electroluminescent element, and illumination device, display device, or light-emitting device characterized by using said element
US-10804469-B2 · Oct 13, 2020 · US
Organic compound, organic light-emitting element, display device, imaging device, electronic device, illumination device, and moving object
US-2020048171-A1 · Feb 13, 2020 · US
Organic light emitting device
US-10490749-B2 · Nov 26, 2019 · US
Organic electroluminescent element, light-emitting material therefor, light emitting device, display device, and illumination device
US-2019259955-A1 · Aug 22, 2019 · US
Aromatic amine derivative and organic electroluminescent device using the same
US-2019221753-A1 · Jul 18, 2019 · US
Methods of using leuco colorants as bluing agents in laundry care compositions
US-2019153361-A1 · May 23, 2019 · US
Aromatic amine derivative and organic electroluminescent device using the same
US-10297765-B2 · May 21, 2019 · US
Synthesis of porphyrin materials for highly efficient organic photovoltaics
US-10236457-B2 · Mar 19, 2019 · US
Photoelectric conversion element, and solar cell using the same
US-2018102222-A1 · Apr 12, 2018 · US
Organic light emitting device
US-2018040827-A1 · Feb 8, 2018 · US
Organic electroluminescent device
US-9871213-B2 · Jan 16, 2018 · US
Design and synthesis of porphyrin materials for highly efficient organic photovoltaics
US-2018006248-A1 · Jan 4, 2018 · US
Organic compound and organic light-emitting device including the same
US-9590183-B2 · Mar 7, 2017 · US
Materials for organic electroluminescent devices
US-9499459-B2 · Nov 22, 2016 · US
Organic electroluminescent device
US-2016322570-A1 · Nov 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B3/78?
- CPC C09B3/78 is the Cooperative Patent Classification code for “Other dyes in which the anthracene nucleus is condensed with one or more carbocyclic rings.”
- How many patents are filed under CPC C09B3/78 (Other dyes in which the anthracene nucleus is condensed with one or more carbocyclic rings)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C09B3/78 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2023 (latest complete years).