Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-2025243167-A1 · Jul 31, 2025 · US
using chemiluminescence
using chemiluminescence · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F21K2/06 |
| Official title | using chemiluminescence |
| Display label | using chemiluminescence |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-12275708-B2 · Apr 15, 2025 · US
Kits, microfluidics devices, and methods for performing biotin assays
US-2025027947-A1 · Jan 23, 2025 · US
Aerosol provision system
US-2024398041-A1 · Dec 5, 2024 · US
Aerosol provision system
US-2024389676-A1 · Nov 28, 2024 · US
Kits, microfluidics devices, and methods for performing biotin assays
US-12140596-B2 · Nov 12, 2024 · US
Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-2024254088-A1 · Aug 1, 2024 · US
Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-11932603-B2 · Mar 19, 2024 · US
Vehicle-light marking tool
US-2024042922-A1 · Feb 8, 2024 · US
Aerosol provision system
US-2023123567-A1 · Apr 20, 2023 · US
Aerosol provision system
US-2023101573-A1 · Mar 30, 2023 · US
Illuminated rope as an aircraft emergency egress aid
US-11603207-B2 · Mar 14, 2023 · US
Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-2022227711-A1 · Jul 21, 2022 · US
Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-11332445-B2 · May 17, 2022 · US
Kits, microfluidics devices, and methods for performing biotin assays
US-2021247398-A1 · Aug 12, 2021 · US
Lamp-integrated grille lighting system and vehicle thereof
US-11060670-B2 · Jul 13, 2021 · US
Phthalocyanine formulation and uses thereof
US-10988687-B2 · Apr 27, 2021 · US
Next generation of light-emitting plant longer duration and brighter
US-2020347392-A1 · Nov 5, 2020 · US
Chemiluminescent and fluorescent substrate pads and uses thereof
US-10722882-B2 · Jul 28, 2020 · US
Hydrophilic high quantum yield acridinium esters with improved stability and fast light emission
US-2020190037-A1 · Jun 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21K2/06?
- CPC F21K2/06 is the Cooperative Patent Classification code for “using chemiluminescence.”
- How many patents are filed under CPC F21K2/06 (using chemiluminescence)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC F21K2/06 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).