Process for synthesis of b-site doped abx3 perovskite nanocrystals
US-2024067875-A1 · Feb 29, 2024 · US
containing copper, silver or gold
containing copper, silver or gold · 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 | C09K11/58 |
| Official title | containing copper, silver or gold |
| Display label | containing copper, silver or gold |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 15 |
| 2020 | 6 |
| 2021 | 23 |
| 2022 | 9 |
| 2023 | 19 |
| 2024 | 18 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid quantum dot nano-material, method for preparing the same and photoluminescence device
US-2021348051-A1 · Nov 11, 2021 · US
Fluorescent compositions
US-2021348054-A1 · Nov 11, 2021 · US
Cu2-xS/PbS Core/Shell Nanocrystals
US-2021332291-A1 · Oct 28, 2021 · US
Synthesis of gold nanoparticles functionalized with hydroxypyridinone chelators for metal sensing
US-2021293698-A1 · Sep 23, 2021 · US
Colloidal suspension of gold nanoparticles
US-11118108-B2 · Sep 14, 2021 · US
Method for preparing dual-functional hybrid thin-film for self-calibration detection of tumor-derived exosomes
US-11105767-B1 · Aug 31, 2021 · US
Method of preparing luminescent nano-sheet, luminescent nano-sheet material, luminescent nano-sheet film, back light, and liquid crystal display apparatus
US-11091693-B2 · Aug 17, 2021 · US
Method for preparing dual-functional hybrid thin-film for self-calibration detection of tumor-derived exosomes
US-2021247350-A1 · Aug 12, 2021 · US
Fluorescent compositions
US-11084978-B2 · Aug 10, 2021 · US
Method for preparing nanohybrid used for ratiometric fluorescence and ratiometric electrochemical sensing simultaneously
US-11073517-B1 · Jul 27, 2021 · US
Scintillator, method of forming the same, and radiation detection apparatus
US-11073626-B2 · Jul 27, 2021 · US
Method for preparing nanohybrid used for ratiometric fluorescence and ratiometric electrochemical sensing simultaneously
US-2021222063-A1 · Jul 22, 2021 · US
Core-shell nanocomposite for metal-enhanced fluorescence
US-11060021-B2 · Jul 13, 2021 · US
Infrared Fluorescent Coatings
US-2021163759-A1 · Jun 3, 2021 · US
Method for Preparing Metal Nanocube with Controlled Corner Sharpness Index
US-2021161952-A1 · Jun 3, 2021 · US
Fluorescent nanocomposite
US-10982138-B2 · Apr 20, 2021 · US
Polarized luminescent film
US-2021108142-A1 · Apr 15, 2021 · US
Method for preparing ratiometric fluorescent probe for melamine based on silver nanocluster complex
US-2021047559-A1 · Feb 18, 2021 · US
Method for preparing ratiometric fluorescent probe for melamine based on silver nanocluster complex
US-10913892-B1 · Feb 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/58?
- CPC C09K11/58 is the Cooperative Patent Classification code for “containing copper, silver or gold.”
- How many patents are filed under CPC C09K11/58 (containing copper, silver or gold)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/58 growing?
- Publication counts under this code: 18 in 2024 vs 11 in 2025 (latest complete years).