Aromatic amine derivative, and organic electroluminescent element using same
US-2020321526-A1 · Oct 8, 2020 · US
the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring
the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring · 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 | C07C217/92 |
| Official title | the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring |
| Display label | the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring |
| Total patents | 110 |
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 | 14 |
| 2016 | 9 |
| 2017 | 12 |
| 2018 | 13 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aromatic amine derivative, and organic electroluminescent element using same
US-2020313090-A1 · Oct 1, 2020 · US
Triphenylamine derivative, and charge transport material and electrophotographic photoreceptor using the same
US-2020272064-A1 · Aug 27, 2020 · US
Phenanthrene compounds for organic electronic devices
US-2019393414-A1 · Dec 26, 2019 · US
Materials for organic electroluminescent devices
US-10510960-B2 · Dec 17, 2019 · US
Organic Materials with Special Optical Effects
US-2019337885-A1 · Nov 7, 2019 · US
Phenanthrene compounds for organic electronic devices
US-10446759-B2 · Oct 15, 2019 · US
Compounds for electronic devices
US-10439145-B2 · Oct 8, 2019 · US
Spirobifluorene compound and perovskite solar cell comprising same
US-2019288207-A1 · Sep 19, 2019 · US
Aromatic amine derivative and organic electroluminescence device utilizing the same
US-2019237675-A1 · Aug 1, 2019 · US
Ligand for catalyst or pre-catalyst and method of forming C(SP2)-N bond
US-10322410-B2 · Jun 18, 2019 · US
Aromatic amine derivative and organic electroluminescence device utilizing the same
US-10312452-B2 · Jun 4, 2019 · US
Compounds for electronic devices
US-10141518-B2 · Nov 27, 2018 · US
Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light-emitting medium
US-2018309058-A1 · Oct 25, 2018 · US
Aromatic amine derivative, and organic electroluminescent element using same
US-10014477-B2 · Jul 3, 2018 · US
Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light-emitting medium
US-10014476-B2 · Jul 3, 2018 · US
Hole transport material
US-9997714-B2 · Jun 12, 2018 · US
Ligand for catalyst or pre-catalyst and method of forming c(sp2)-n bond
US-2018141030-A1 · May 24, 2018 · US
Triarylamine derivative, electrophotographic photosensitive member, and method for producing electrophotographic photosensitive member
US-9964869-B2 · May 8, 2018 · US
Aromatic amine derivative, and organic electroluminescent element using same
US-2018123043-A1 · May 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C217/92?
- CPC C07C217/92 is the Cooperative Patent Classification code for “the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring.”
- How many patents are filed under CPC C07C217/92 (the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring)?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC C07C217/92 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).