Method for preparing ratiometric fluorescent probe
US-2026043806-A1 · Feb 12, 2026 · US
condensed with carbocyclic rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D265/34 |
| Official title | condensed with carbocyclic rings |
| Display label | condensed with carbocyclic rings |
| Total patents | 61 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026043806-A1 · Feb 12, 2026 · US
US-12480948-B2 · Nov 25, 2025 · US
US-2025296917-A1 · Sep 25, 2025 · US
US-2025160204-A1 · May 15, 2025 · US
US-2024132484-A1 · Apr 25, 2024 · US
US-11913884-B2 · Feb 27, 2024 · US
US-2023348376-A1 · Nov 2, 2023 · US
US-2023341399-A1 · Oct 26, 2023 · US
US-11789025-B2 · Oct 17, 2023 · US
US-2023174484-A1 · Jun 8, 2023 · US
US-2023069061-A1 · Mar 2, 2023 · US
US-2022380314-A1 · Dec 1, 2022 · US
US-11427598-B2 · Aug 30, 2022 · US
US-2022169620-A1 · Jun 2, 2022 · US
US-11189801-B2 · Nov 30, 2021 · US
US-11091427-B2 · Aug 17, 2021 · US
US-11001562-B2 · May 11, 2021 · US
US-2021130364-A1 · May 6, 2021 · US
US-10969394-B2 · Apr 6, 2021 · US
US-2021072254-A1 · Mar 11, 2021 · US
Answers are generated from the same data shown on this page.