Dibenzoxanthene Quenchers, Uses, and Methods of Preparation
US-2025092261-A1 · Mar 20, 2025 · US
Benzoxanthene dyes; Benzothioxanthene dyes
Benzoxanthene dyes; Benzothioxanthene dyes · 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 | C09B57/14 |
| Official title | Benzoxanthene dyes; Benzothioxanthene dyes |
| Display label | Benzoxanthene dyes; Benzothioxanthene dyes |
| Total patents | 27 |
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 | 2 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 5 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dibenzoxanthene quenchers, uses, and methods of preparation
US-2024110063-A1 · Apr 4, 2024 · US
Fluorescent compositions
US-11680202-B2 · Jun 20, 2023 · US
Fluorescent compositions
US-2021348054-A1 · Nov 11, 2021 · US
Fluorescent compositions
US-11084978-B2 · Aug 10, 2021 · US
Additive for quality determination of adhesive bond primers
US-11078386-B2 · Aug 3, 2021 · US
Perylene bisimides with rigid 2,2′-biphenoxy bridges
US-11021610-B2 · Jun 1, 2021 · US
Synthesis of four-color 3′-O-allyl modified photocleavable fluorescent nucleotides and related methods
US-10907194-B2 · Feb 2, 2021 · US
Additive for quality determination of adhesive bond primers
US-2020109317-A1 · Apr 9, 2020 · US
Non-aqueous dispersant, color material dispersion liquid for color filter, color filter, liquid crystal display device and organic light-emitting display device
US-10570287-B2 · Feb 25, 2020 · US
Fluorescent compositions
US-10538701-B1 · Jan 21, 2020 · US
Quencher
US-10377713-B2 · Aug 13, 2019 · US
Perylene bisimides with rigid 2,2'-biphenoxy bridges
US-2019023905-A1 · Jan 24, 2019 · US
Class of green/yellow emitting phosphors based on benzoxanthene derivatives for LED lighting
US-9969932-B2 · May 15, 2018 · US
Dye compounds for an electrowetting element
US-9885863-B2 · Feb 6, 2018 · US
Quencher
US-2017342031-A1 · Nov 30, 2017 · US
Dye compounds for an electrowetting element
US-2017192222-A1 · Jul 6, 2017 · US
Chemically cleavable 3'-o-allyl-dntp-allyl-fluorophore fluorescent nucleotide analogues and related methods
US-2017051346-A9 · Feb 23, 2017 · US
Non-aqueous dispersant, color material dispersion liquid for color filter, color filter, liquid crystal display device and organic light-emitting display device
US-2016376443-A1 · Dec 29, 2016 · US
Polycyclic aromatic hydrocarbon compounds containing an S atom or S(=O)2 group in their basic structure
US-9505869-B2 · Nov 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B57/14?
- CPC C09B57/14 is the Cooperative Patent Classification code for “Benzoxanthene dyes; Benzothioxanthene dyes.”
- How many patents are filed under CPC C09B57/14 (Benzoxanthene dyes; Benzothioxanthene dyes)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C09B57/14 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).