Application of type II chemical conversion coatings (CCCS) using foaming agents
US-12486580-B2 · Dec 2, 2025 · US
Treatment of other metallic material
Treatment of other metallic material · 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 | C23C22/58 |
| Official title | Treatment of other metallic material |
| Display label | Treatment of other metallic material |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for wet etching of noble metals
US-12276033-B2 · Apr 15, 2025 · US
Chromium-free passivated film-covered tinned plate and preparation method therefor
US-2024336035-A1 · Oct 10, 2024 · US
Application of type ii chemical conversion coatings (cccs) using foaming agents
US-2023304161-A1 · Sep 28, 2023 · US
Two-step pretreatment system and method
US-11725286-B2 · Aug 15, 2023 · US
Methods for wet etching of noble metals
US-2023121246-A1 · Apr 20, 2023 · US
Surface-treated metal powder and conductive composition
US-11565312-B2 · Jan 31, 2023 · US
Surface-treated metal powder and conductive composition
US-2022062988-A1 · Mar 3, 2022 · US
Metal coloring solution for chemical conversion treatment and method for coloring metal
US-2022018027-A1 · Jan 20, 2022 · US
Pretreatment Composition
US-2021292907-A1 · Sep 23, 2021 · US
Conducting member for fuel cells, fuel cell, fuel cell stack, and method of producing conducting member for fuel cells
US-10847830-B2 · Nov 24, 2020 · US
Two-step pretreatment system and method
US-2020248313-A1 · Aug 6, 2020 · US
Treated article and method of making the same
US-10675658-B2 · Jun 9, 2020 · US
Sealing Composition
US-2019316261-A1 · Oct 17, 2019 · US
Protecting anodized surfaces during manufacturing processes
US-10443145-B2 · Oct 15, 2019 · US
Metallic material for electronic components and method for producing same, and connector terminals, connectors and electronic components using same
US-10373730-B2 · Aug 6, 2019 · US
Surface treatment agent for metal material and production method for surface-treated metal material
US-10253416-B2 · Apr 9, 2019 · US
Protecting anodized surfaces during manufacturing processes
US-2019062939-A1 · Feb 28, 2019 · US
Method and apparatus for structural coloration of metallic surfaces
US-10167560-B2 · Jan 1, 2019 · US
Method and apparatus for structural coloration of metallic surfaces
US-2018282873-A2 · Oct 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/58?
- CPC C23C22/58 is the Cooperative Patent Classification code for “Treatment of other metallic material.”
- How many patents are filed under CPC C23C22/58 (Treatment of other metallic material)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/58 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).