Composition, method of treating metal-containing film by using the same, and method of preparing semiconductor device by using the composition
US-2025270446-A1 · Aug 28, 2025 · US
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with acidic solutions
with acidic solutions · 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 | C23F3/03 |
| Official title | with acidic solutions |
| Display label | with acidic solutions |
| Total patents | 24 |
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 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aluminum-based coating for flat steel products for press mold hardening components, and method for producing same
US-11795535-B2 · Oct 24, 2023 · US
Fluid composition and method for conducting a material removing operation
US-11518913-B2 · Dec 6, 2022 · US
Aluminum-based coating for flat steel products for press mold hardening components, and method for producing same
US-2022090250-A1 · Mar 24, 2022 · US
Fluid composition and method for conducting a material removing operation
US-2021062045-A1 · Mar 4, 2021 · US
Performance enhancement of sensors through surface processing
US-10926523-B2 · Feb 23, 2021 · US
Aluminum alloy and method of anodizing same
US-10626517-B2 · Apr 21, 2020 · US
Enhanced performance metallic based optical mirror substrates
US-10605966-B2 · Mar 31, 2020 · US
Performance enhancement of sensors through surface processing
US-2019381779-A1 · Dec 19, 2019 · US
Brightening and passivation of stainless steel surfaces
US-10392710-B2 · Aug 27, 2019 · US
Aluminum alloy housing and preparation method therefor
US-2018310425-A1 · Oct 25, 2018 · US
Aluminum alloy housing and preparation method thereof
US-2018305837-A1 · Oct 25, 2018 · US
Enhanced performance metallic based optical mirror substrates
US-2018180777-A1 · Jun 28, 2018 · US
Enhanced performance metallic based optical mirror substrates
US-9971073-B2 · May 15, 2018 · US
Aluminum alloy and method of anodizing same
US-2017350032-A1 · Dec 7, 2017 · US
Aluminum alloy and method of anodizing same
US-2017327964-A1 · Nov 16, 2017 · US
Method for etching metal or metal oxide by ozone water, method for smoothing surface of metal or metal oxide by ozone water, and patterning method using ozone water
US-9797046-B2 · Oct 24, 2017 · US
Microstructured absorbable implant
US-9504554-B2 · Nov 29, 2016 · US
Cmp slurry compositions and methods for aluminum polishing
US-2015368515-A1 · Dec 24, 2015 · US
Cleaning composition for metal articles
US-2015315712-A1 · Nov 5, 2015 · US