Compound and an organic semiconducting layer, an organic electronic device, a display device and a lighting device comprising the same
US-2024132468-A1 · Apr 25, 2024 · US
with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D239/74 |
| Official title | with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring |
| Display label | with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring |
| Total patents | 256 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 16 |
| 2017 | 30 |
| 2018 | 26 |
| 2019 | 28 |
| 2020 | 28 |
| 2021 | 15 |
| 2022 | 19 |
| 2023 | 27 |
| 2024 | 21 |
| 2025 | 18 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024132468-A1 · Apr 25, 2024 · US
US-9827258-B2 · Nov 28, 2017 · US
US-2017334859-A1 · Nov 23, 2017 · US
US-9822108-B2 · Nov 21, 2017 · US
US-9815797-B2 · Nov 14, 2017 · US
US-2017309830-A1 · Oct 26, 2017 · US
US-2017253593-A1 · Sep 7, 2017 · US
US-2017250349-A1 · Aug 31, 2017 · US
US-2017239280-A1 · Aug 24, 2017 · US
US-9732094-B2 · Aug 15, 2017 · US
US-2017210990-A1 · Jul 27, 2017 · US
US-9708353-B2 · Jul 18, 2017 · US
US-2017166586-A1 · Jun 15, 2017 · US
US-2017123313-A1 · May 4, 2017 · US
US-2017123314-A1 · May 4, 2017 · US
US-9598387-B2 · Mar 21, 2017 · US
US-9580384-B2 · Feb 28, 2017 · US
US-9572824-B2 · Feb 21, 2017 · US
US-2017047529-A1 · Feb 16, 2017 · US
US-9556135-B2 · Jan 31, 2017 · US
Answers are generated from the same data shown on this page.