Fluorescent polymers and solutions thereof for scale control in aqueous systems
US-2023416602-A1 · Dec 28, 2023 · US
Phthaleins; {Phenolphthaleins; Fluorescein}
Phthaleins; {Phenolphthaleins; Fluorescein} · 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 | C09B11/08 |
| Official title | Phthaleins; {Phenolphthaleins; Fluorescein} |
| Display label | Phthaleins; {Phenolphthaleins; Fluorescein} |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manipulating hydrophilicity and hydrophobicity of conventional dye molecules for tracer applications
US-2023183488-A1 · Jun 15, 2023 · US
Manipulating hydrophilicity and hydrophobicity of conventional dye molecules for tracer applications
US-2023183565-A1 · Jun 15, 2023 · US
Excitonic quantum computing via aggregate-aggregate coupling
US-2023147320-A1 · May 11, 2023 · US
Polymeric compounds including an acceptor dye and donor luminophore
US-2023086985-A1 · Mar 23, 2023 · US
Method and device for the detection of carbapenemases and carbapenemase producers
US-11578353-B2 · Feb 14, 2023 · US
Chemiluminescent compounds for multiplexing
US-2022291223-A1 · Sep 15, 2022 · US
Fluorescent probes for monoacylglycerol lipase (magl)
US-2022220373-A1 · Jul 14, 2022 · US
Methods of identifying a hydrocarbon fuel
US-2022136968-A1 · May 5, 2022 · US
Single cell selection and isolation
US-2022090007-A1 · Mar 24, 2022 · US
Oligomer-selective fluorescent indicator dyes
US-2022062440-A1 · Mar 3, 2022 · US
Small-molecule organic dyes
US-11214687-B2 · Jan 4, 2022 · US
Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device
US-11169308-B2 · Nov 9, 2021 · US
Multisignal reagents for labeling analytes
US-11073512-B2 · Jul 27, 2021 · US
Multisignal labeling reagents and processes and uses therefor
US-11028121-B2 · Jun 8, 2021 · US
Quencher and use thereof
US-10982262-B2 · Apr 20, 2021 · US
Compounds and methods for optical sensing of electrical activity in biological systems
US-2020362174-A1 · Nov 19, 2020 · US
Thermochromic Dye Compositions And Method For Preparing Same
US-2020316975-A1 · Oct 8, 2020 · US
Small-molecule organic dyes
US-2020255667-A1 · Aug 13, 2020 · US
Diarylether-based fluorogenic probes for detection of hypochlorous acid or hydroxyl radical
US-10684294-B2 · Jun 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B11/08?
- CPC C09B11/08 is the Cooperative Patent Classification code for “Phthaleins; {Phenolphthaleins; Fluorescein}.”
- How many patents are filed under CPC C09B11/08 (Phthaleins; {Phenolphthaleins; Fluorescein})?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC C09B11/08 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).