Process for synthesis of b-site doped abx3 perovskite nanocrystals
US-2024067875-A1 · Feb 29, 2024 · US
with alkali or alkaline earth metals
with alkali or alkaline earth metals · 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 | C09K11/665 |
| Official title | {with alkali or alkaline earth metals} |
| Display label | with alkali or alkaline earth metals |
| Total patents | 365 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 24 |
| 2018 | 23 |
| 2019 | 36 |
| 2020 | 42 |
| 2021 | 51 |
| 2022 | 44 |
| 2023 | 39 |
| 2024 | 38 |
| 2025 | 37 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing fluorescent nanomaterial-polymer composite, and light emitting device
US-11873437-B2 · Jan 16, 2024 · US
Red phosphor powder, preparation method thereof and luminescent device comprising same
US-2018355243-A1 · Dec 13, 2018 · US
Optical connector apparatus
US-10151885-B2 · Dec 11, 2018 · US
Perovskite/polymer composite luminescent material, preparation method and use
US-2018298278-A1 · Oct 18, 2018 · US
Scintillators having the K2PtCl6 crystal structure
US-10024982-B2 · Jul 17, 2018 · US
Photoluminescent compounds
US-9994766-B2 · Jun 12, 2018 · US
Nanocrystal, method of preparing the same, and optoelectronic device including the nanocrystal
US-2018142148-A1 · May 24, 2018 · US
White light apparatus with enhanced color contrast
US-9954145-B2 · Apr 24, 2018 · US
Red fluorescent substance and method for production thereof
US-2018105742-A1 · Apr 19, 2018 · US
Heterojunctions in halide perovskite nanostructures
US-2018105743-A1 · Apr 19, 2018 · US
Phosphor
US-9926488-B2 · Mar 27, 2018 · US
Fluorophore, light-emitting device, and method for manufacturing fluorophore
US-2018072946-A1 · Mar 15, 2018 · US
Process for Producing Fluorescent Material
US-2018016494-A1 · Jan 18, 2018 · US
Methods of making highly stable perovskite- polymer composites and structures using same
US-2018010039-A1 · Jan 11, 2018 · US
Perovskite core-shell nanocrystals
US-2018002354-A1 · Jan 4, 2018 · US
Perovskite nanocrystalline particles and optoelectronic device using same
US-2017358757-A1 · Dec 14, 2017 · US
Light-emitting layer for perovskite light-emitting device, method for manufacturing same, and perovskite light-emitting device using same
US-2017358759-A1 · Dec 14, 2017 · US
Perovskite nanocrystal particle light emitting body with core-shell structure, method for fabricating same, and light emitting element using same
US-2017346024-A1 · Nov 30, 2017 · US
Nanoparticles for photovoltaic and led devices and methods of making the same
US-2017342316-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/665?
- CPC C09K11/665 is the Cooperative Patent Classification code for “with alkali or alkaline earth metals.”
- How many patents are filed under CPC C09K11/665 (with alkali or alkaline earth metals)?
- Our database includes 365 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/665 growing?
- Publication counts under this code: 38 in 2024 vs 37 in 2025 (latest complete years).