Condensed cyclic compound and organic light-emitting device including the same
US-11706973-B2 · Jul 18, 2023 · US
Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms
Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms · 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 | C07D345/00 |
| Official title | Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms |
| Display label | Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 16 |
| 2024 | 11 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Visible light induced photogeneration of ground state atomic oxygen
US-11602724-B2 · Mar 14, 2023 · US
Zwitterion compounds and photoresists comprising same
US-11505565-B2 · Nov 22, 2022 · US
Electroluminescent compound and electroluminescent device including the same
US-11469378-B2 · Oct 11, 2022 · US
Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same
US-2022281894-A1 · Sep 8, 2022 · US
Organic compound and organic electroluminescence device using the same
US-11296282-B2 · Apr 5, 2022 · US
Organic compound and organic electroluminescence device using the same
US-11276828-B2 · Mar 15, 2022 · US
Heterocyclic compound and organic light-emitting device including the same
US-2021167299-A1 · Jun 3, 2021 · US
Organic compound and organic light-emitting element
US-2021143335-A1 · May 13, 2021 · US
Organotellurium Compounds, Compositions and Methods of Use Thereof
US-2021102949-A1 · Apr 8, 2021 · US
Organic compound, organic light-emitting element, display apparatus, image pickup apparatus, lighting apparatus, and moving object
US-2021101864-A1 · Apr 8, 2021 · US
Condensed cyclic compound and organic light-emitting device including the same
US-2021104673-A1 · Apr 8, 2021 · US
Condensed cyclic compound and organic light emitting device including the same
US-10916708-B2 · Feb 9, 2021 · US
Visible light induced photogeneration of ground state atomic oxygen
US-2020346183-A1 · Nov 5, 2020 · US
Organotellurium compounds, compositions and methods of use thereof
US-10816552-B2 · Oct 27, 2020 · US
Photoelectric conversion element and imaging apparatus
US-2020274077-A1 · Aug 27, 2020 · US
Organic compound and organic electroluminescence device using the same
US-2020235315-A1 · Jul 23, 2020 · US
Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound and intermediate therefor and synthetic method of intermediate
US-10707424-B2 · Jul 7, 2020 · US
Organic compound and organic electroluminescence device using the same
US-2020203632-A1 · Jun 25, 2020 · US
Organic thin-film transistor and method for manufacturing the same, material for organic thin-film transistor, composition for organic thin-film transistor, compound, and organic semiconductor film
US-10629818-B2 · Apr 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D345/00?
- CPC C07D345/00 is the Cooperative Patent Classification code for “Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms.”
- How many patents are filed under CPC C07D345/00 (Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC C07D345/00 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).