Amine compound and light-emitting device including same
US-2026033237-A1 · Jan 29, 2026 · US
only one five-membered ring
only one five-membered ring · 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 | C07C2603/12 |
| Official title | only one five-membered ring |
| Display label | only one five-membered ring |
| Total patents | 50 |
Filing trend
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 | 2 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for pd(ii)-catalyzed site-selective beta- and gamma-c(sp3)-h arylation of primary aldehydes controlled by transient directing groups
US-2026001830-A1 · Jan 1, 2026 · US
Amine compound and light-emitting device including same
US-12490647-B2 · Dec 2, 2025 · US
Allosteric modulators of nicotinic acetylcholine receptors
US-2024368109-A1 · Nov 7, 2024 · US
Compounds and compositions for treating conditions associated with NLRP activity
US-12084424-B2 · Sep 10, 2024 · US
Organic light emitting element and display device
US-2024251660-A1 · Jul 25, 2024 · US
Novel compound, and photoelectric device, image sensor, and electronic device including same
US-2024237529-A1 · Jul 11, 2024 · US
Compounds and compositions for treating conditions associated with nlrp activity
US-2023416211-A1 · Dec 28, 2023 · US
Process to prepare treprostinil, the active ingredient in remodulin®
US-2023338313-A1 · Oct 26, 2023 · US
Compound and organic light-emitting device including same
US-2023320201-A1 · Oct 5, 2023 · US
Process to prepare treprostinil, the active ingredient in Remodulin®
US-11723887-B2 · Aug 15, 2023 · US
Compounds and compositions for treating conditions associated with NLRP activity
US-11724992-B2 · Aug 15, 2023 · US
Compounds and compositions for treating conditions associated with nlrp activity
US-2023062815-A1 · Mar 2, 2023 · US
Compounds and compositions for treating conditions associated with nlrp activity
US-2023051589-A1 · Feb 16, 2023 · US
Organic compound, and organic light emitting diode and organic light emitting device including the same
US-2022194883-A1 · Jun 23, 2022 · US
Amine compound and light-emitting device including same
US-2022059770-A1 · Feb 24, 2022 · US
Compounds and compositions for treating conditions associated with NLRP activity
US-11203579-B2 · Dec 21, 2021 · US
Electrochromic compound, electrochromic composition, and electrochromic element
US-10975296-B2 · Apr 13, 2021 · US
Compound and photoelectric device, image sensor and electronic device including the same
US-10937970-B2 · Mar 2, 2021 · US
Materials for organic electroluminescent devices
US-2021005821-A1 · Jan 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2603/12?
- CPC C07C2603/12 is the Cooperative Patent Classification code for “only one five-membered ring.”
- How many patents are filed under CPC C07C2603/12 (only one five-membered ring)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C07C2603/12 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).