Methods for treating metal nanocrystals and for forming bulk nanostructured metal alloys
US-12522928-B2 · Jan 13, 2026 · US
from cyanide baths {, e.g. with Cu+}
from cyanide baths {, e.g. with Cu+} · 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 | C25D3/40 |
| Official title | from cyanide baths {, e.g. with Cu+} |
| Display label | from cyanide baths {, e.g. with Cu+} |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ammonium salt compound, additive for electrolytic copper plating, electrolytic copper plating solution composition and electrolytic copper plating method
US-2025369146-A1 · Dec 4, 2025 · US
Carbon-nanotubes copper composite conductors
US-2025273360-A1 · Aug 28, 2025 · US
Carbon-nanotubes copper composite conductors
US-12293853-B2 · May 6, 2025 · US
Anode Array and Controller for Electrochemical Layer Deposition
US-2025122638-A1 · Apr 17, 2025 · US
Electrochemical Layer Deposition by Anode Array Using Measurement Information
US-2025043453-A1 · Feb 6, 2025 · US
Reactor for electrochemical deposition
US-12049704-B2 · Jul 30, 2024 · US
Transformer helix winding production
US-11935693-B2 · Mar 19, 2024 · US
Copper-alloy stainless pipe, air conditioner including the same, and method of manufacturing the same
US-11834735-B2 · Dec 5, 2023 · US
Reactor for Electrochemical Deposition
US-2023304179-A1 · Sep 28, 2023 · US
Oxide superconducting wire
US-11756708-B2 · Sep 12, 2023 · US
Transformer helix winding production
US-2023215626-A1 · Jul 6, 2023 · US
Transformer helix winding production
US-11657963-B2 · May 23, 2023 · US
Oxide superconducting wire
US-11621105-B2 · Apr 4, 2023 · US
Methods for treating metal nanocrystals and for forming bulk nanostructured metal alloys
US-2023083886-A1 · Mar 16, 2023 · US
Electrochemical layer deposition
US-11591705-B2 · Feb 28, 2023 · US
Iron-based sintered alloy valve seat for internal combustion engine
US-11549408-B2 · Jan 10, 2023 · US
Reactor for layer deposition by controllable anode array
US-11396710-B2 · Jul 26, 2022 · US
Carbon-nanotubes copper composite conductors
US-2022223314-A1 · Jul 14, 2022 · US
Oxide superconducting wire
US-2022148763-A1 · May 12, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D3/40?
- CPC C25D3/40 is the Cooperative Patent Classification code for “from cyanide baths {, e.g. with Cu+}.”
- How many patents are filed under CPC C25D3/40 (from cyanide baths {, e.g. with Cu+})?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC C25D3/40 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).