Method for producing quantum dots
US-12577461-B2 · Mar 17, 2026 · US
Halogenides
Halogenides · 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 | C09K11/615 |
| Official title | {Halogenides} |
| Display label | Halogenides |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
White light-emitting asphaltene-based composites for self-illuminating pavements
US-12398271-B1 · Aug 26, 2025 · US
Fluoride phosphor, method for manufacturing fluoride phosphor, and light-emitting device
US-2025257262-A1 · Aug 14, 2025 · US
Wavelength conversion member and method of manufacturing the same
US-12382758-B2 · Aug 5, 2025 · US
Luminescent material, method of preparing the same, and light-emitting device including the luminescent material
US-11944001-B2 · Mar 26, 2024 · US
A method for producing quantum dots
US-2023279293-A1 · Sep 7, 2023 · US
Surface Treatment Of Quantum Dots
US-2023272272-A1 · Aug 31, 2023 · US
Hybrid wavelength converter, method for manufacturing same, and light emitting diode comprising same
US-2022389312-A1 · Dec 8, 2022 · US
Luminescent material, method of preparing the same, and light-emitting device including the luminescent material
US-2021336158-A1 · Oct 28, 2021 · US
Wavelength conversion member and method of manufacturing the same
US-2021305469-A1 · Sep 30, 2021 · US
Light emitting device
US-11038089-B2 · Jun 15, 2021 · US
Quantum dots and devices including the same
US-11011672-B2 · May 18, 2021 · US
Process for improved halide materials
US-10954438-B2 · Mar 23, 2021 · US
Luminescent compound, method of preparing the same, and light-emitting device including the same
US-2021002547-A1 · Jan 7, 2021 · US
Light emitting device
US-2020303599-A1 · Sep 24, 2020 · US
Light emitting device
US-10734555-B2 · Aug 4, 2020 · US
Quantum dots and devices including the same
US-2020220043-A1 · Jul 9, 2020 · US
Quantum dots and devices including the same
US-10559712-B2 · Feb 11, 2020 · US
Phosphor, light-emitting device, illumination device and image display device
US-10370589-B2 · Aug 6, 2019 · US
Red phosphor and light emitting device comprising same
US-2019169496-A1 · Jun 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/615?
- CPC C09K11/615 is the Cooperative Patent Classification code for “Halogenides.”
- How many patents are filed under CPC C09K11/615 (Halogenides)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/615 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).