Method for preparing fluorescent nanomaterial-polymer composite, and light emitting device
US-11873437-B2 · Jan 16, 2024 · US
with zinc or cadmium
with zinc or cadmium · 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 | C09K11/623 |
| Official title | {with zinc or cadmium} |
| Display label | with zinc or cadmium |
| Total patents | 165 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 13 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 15 |
| 2022 | 3 |
| 2023 | 24 |
| 2024 | 27 |
| 2025 | 18 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wavelength converting material for a light emitting device
US-10858584-B2 · Dec 8, 2020 · US
Surface modified nanoparticles
US-2020263086-A1 · Aug 20, 2020 · US
Methods for Encapsulating Nanocrystals and Resulting Compositions
US-2020224092-A1 · Jul 16, 2020 · US
Quantum dot with metastable phase and manufacturing method for the same
US-2020190403-A1 · Jun 18, 2020 · US
CuInS2/In2S3/ZnS fluorescent quantum dot with double-layer core-shell structure and preparation method thereof
US-10563123-B2 · Feb 18, 2020 · US
Wavelength converting material for a light emitting device
US-10508236-B2 · Dec 17, 2019 · US
Quantum dots, a composition or composite including the same, and an electronic device including the same
US-2019367804-A1 · Dec 5, 2019 · US
Surface modified nanoparticles
US-2019359884-A1 · Nov 28, 2019 · US
Cadmium-free quantum dot nanoparticles
US-10483440-B2 · Nov 19, 2019 · US
Quantum dots with a iii-v core and an alloyed ii-vi external shell
US-2019330525-A1 · Oct 31, 2019 · US
Methods for encapsulating nanocrystals and resulting compositions
US-2019300784-A1 · Oct 3, 2019 · US
Surface modified nanoparticles
US-10377944-B2 · Aug 13, 2019 · US
Scintillator and electron detector
US-10301542-B2 · May 28, 2019 · US
Quantum dot having core-shell structure
US-2019136130-A1 · May 9, 2019 · US
Semiconductor nanocrystals
US-10276735-B2 · Apr 30, 2019 · US
Ceramic radiation detector device and method
US-2019092693-A1 · Mar 28, 2019 · US
Methods for encapsulating nanocrystals and resulting compositions
US-10214686-B2 · Feb 26, 2019 · US
Quantum dots stabilized with a metal thiol polymer
US-10196562-B2 · Feb 5, 2019 · US
Quantum Dots Stabilized With A Metal Thiol Polymer
US-2019031952-A1 · Jan 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/623?
- CPC C09K11/623 is the Cooperative Patent Classification code for “with zinc or cadmium.”
- How many patents are filed under CPC C09K11/623 (with zinc or cadmium)?
- Our database includes 165 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/623 growing?
- Publication counts under this code: 27 in 2024 vs 18 in 2025 (latest complete years).