Cerium oxide nanoparticles, methods for fabricating the same and methods for fabricating a semiconductor device using the same
US-12534819-B2 · Jan 27, 2026 · US
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Electrolytic production, recovery or refining of metal powders or porous metal masses
Electrolytic production, recovery or refining of metal powders or porous metal masses · 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 | C25C5/00 |
| Official title | Electrolytic production, recovery or refining of metal powders or porous metal masses |
| Display label | Electrolytic production, recovery or refining of metal powders or porous metal masses |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for extracting metal and oxygen from powdered metal oxides
US-12534818-B2 · Jan 27, 2026 · US
Electrolytic atomic hydrogen decrepitation of rare-earth-containing materials
US-2024368790-A1 · Nov 7, 2024 · US
Cerium oxide nanoparticles, methods for fabricating the same and methods for fabricating a semiconductor device using the same
US-2023167566-A1 · Jun 1, 2023 · US
Method And System For Extracting Metal And Oxygen From Powdered Metal Oxides
US-2023131891-A1 · Apr 27, 2023 · US
Recovery of rare earth metals from ferromagnetic alloys
US-2022002890-A1 · Jan 6, 2022 · US
Process to prepare metal nanoparticles or metal oxide nanoparticles
US-2018179653-A1 · Jun 28, 2018 · US
Zinc electrodes for batteries
US-9802254-B2 · Oct 31, 2017 · US
Process to prepare metal nanoparticles or metal oxide nanoparticles
US-9695521-B2 · Jul 4, 2017 · US
Zinc electrodes for batteries
US-2016093890-A1 · Mar 31, 2016 · US
Nanoparticle synthesis
US-9000416-B2 · Apr 7, 2015 · US