Heterocyclic compound and organic light-emitting element comprising same
US-10510963-B2 · Dec 17, 2019 · US
having three double bonds between ring members or between ring members and non-ring members · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D251/12 |
| Official title | having three double bonds between ring members or between ring members and non-ring members |
| Display label | having three double bonds between ring members or between ring members and non-ring members |
| Total patents | 110 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 12 |
| 2018 | 27 |
| 2019 | 17 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10510963-B2 · Dec 17, 2019 · US
US-2019345082-A1 · Nov 14, 2019 · US
US-2019345081-A1 · Nov 14, 2019 · US
US-10431748-B2 · Oct 1, 2019 · US
US-10411191-B2 · Sep 10, 2019 · US
US-10312454-B2 · Jun 4, 2019 · US
US-2019055222-A1 · Feb 21, 2019 · US
US-2019019958-A1 · Jan 17, 2019 · US
US-2019013480-A1 · Jan 10, 2019 · US
US-2018315930-A1 · Nov 1, 2018 · US
US-2018305337-A1 · Oct 25, 2018 · US
US-2018305313-A1 · Oct 25, 2018 · US
US-2018301635-A1 · Oct 18, 2018 · US
US-10093852-B2 · Oct 9, 2018 · US
US-2018274102-A1 · Sep 27, 2018 · US
US-2018265431-A1 · Sep 20, 2018 · US
US-10074809-B2 · Sep 11, 2018 · US
US-2018254427-A1 · Sep 6, 2018 · US
US-2018244630-A1 · Aug 30, 2018 · US
US-2018248126-A1 · Aug 30, 2018 · US
Answers are generated from the same data shown on this page.