Pyrene-triazine derivative and applications thereof in organic electronic component
US-2019334093-A1 · Oct 31, 2019 · US
with nitrogen atoms directly attached to the two other ring carbon atoms, e.g. guanamines · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D251/18 |
| Official title | with nitrogen atoms directly attached to the two other ring carbon atoms, e.g. guanamines |
| Display label | with nitrogen atoms directly attached to the two other ring carbon atoms, e.g. guanamines |
| Total patents | 110 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 12 |
| 2017 | 25 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2019334093-A1 · Oct 31, 2019 · US
US-10449184-B2 · Oct 22, 2019 · US
US-10280183-B2 · May 7, 2019 · US
US-2019117661-A1 · Apr 25, 2019 · US
US-10188656-B2 · Jan 29, 2019 · US
US-2018325880-A1 · Nov 15, 2018 · US
US-10118905-B1 · Nov 6, 2018 · US
US-10111878-B2 · Oct 30, 2018 · US
US-10071972-B2 · Sep 11, 2018 · US
US-2018207166-A1 · Jul 26, 2018 · US
US-10029992-B2 · Jul 24, 2018 · US
US-10028961-B2 · Jul 24, 2018 · US
US-10017495-B2 · Jul 10, 2018 · US
US-9968595-B2 · May 15, 2018 · US
US-9884861-B2 · Feb 6, 2018 · US
US-2017348313-A1 · Dec 7, 2017 · US
US-2017348318-A1 · Dec 7, 2017 · US
US-9822082-B2 · Nov 21, 2017 · US
US-9822105-B2 · Nov 21, 2017 · US
US-9808464-B2 · Nov 7, 2017 · US
Answers are generated from the same data shown on this page.