Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-2025243167-A1 · Jul 31, 2025 · US
Oxygen atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D219/06 |
| Official title | Oxygen atoms |
| Display label | Oxygen atoms |
| Total patents | 62 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 2 |
| 2024 | 10 |
| 2025 | 7 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025243167-A1 · Jul 31, 2025 · US
US-12291504-B2 · May 6, 2025 · US
US-12275708-B2 · Apr 15, 2025 · US
US-2025115556-A1 · Apr 10, 2025 · US
US-2025100972-A1 · Mar 27, 2025 · US
US-12054460-B1 · Aug 6, 2024 · US
US-2024254088-A1 · Aug 1, 2024 · US
US-2024190828-A1 · Jun 13, 2024 · US
US-11976042-B1 · May 7, 2024 · US
US-11976041-B1 · May 7, 2024 · US
US-11970454-B1 · Apr 30, 2024 · US
US-11932603-B2 · Mar 19, 2024 · US
US-11932604-B1 · Mar 19, 2024 · US
US-2024067825-A1 · Feb 29, 2024 · US
US-11866412-B1 · Jan 9, 2024 · US
US-11820899-B2 · Nov 21, 2023 · US
US-2023278960-A1 · Sep 7, 2023 · US
US-11434419-B2 · Sep 6, 2022 · US
US-2022227711-A1 · Jul 21, 2022 · US
US-2022194944-A1 · Jun 23, 2022 · US
Answers are generated from the same data shown on this page.