Anthracene compound and organic light-emitting device comprising same
US-2025066275-A1 · Feb 27, 2025 · US
containing three rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C15/60 |
| Official title | containing three rings |
| Display label | containing three rings |
| Total patents | 21 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025066275-A1 · Feb 27, 2025 · US
US-2024409482-A1 · Dec 12, 2024 · US
US-2022278295-A1 · Sep 1, 2022 · US
US-11404644-B2 · Aug 2, 2022 · US
US-10703692-B2 · Jul 7, 2020 · US
US-2019363258-A1 · Nov 28, 2019 · US
US-10388882-B2 · Aug 20, 2019 · US
US-10304637-B2 · May 28, 2019 · US
US-10205101-B2 · Feb 12, 2019 · US
US-2018342681-A1 · Nov 29, 2018 · US
US-10069074-B2 · Sep 4, 2018 · US
US-2018222826-A1 · Aug 9, 2018 · US
US-9905774-B2 · Feb 27, 2018 · US
US-2018019404-A1 · Jan 18, 2018 · US
US-9786846-B2 · Oct 10, 2017 · US
US-9608205-B2 · Mar 28, 2017 · US
US-2016064675-A1 · Mar 3, 2016 · US
US-9224959-B2 · Dec 29, 2015 · US
US-9219234-B2 · Dec 22, 2015 · US
US-9123896-B2 · Sep 1, 2015 · US