Method for treating object to be treated, treatment liquid, and method for manufacturing electronic device
US-2025183050-A1 · Jun 5, 2025 · US
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Treatment of refractory metals or alloys based thereon
Treatment of refractory metals or alloys based thereon · 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 | C23C22/54 |
| Official title | Treatment of refractory metals or alloys based thereon |
| Display label | Treatment of refractory metals or alloys based thereon |
| Total patents | 17 |
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 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Titanium and magnesium compound for corrosion-resistant coatings
US-11999871-B2 · Jun 4, 2024 · US
Home appliance metal materials chemically resistant to peroxide degradation
US-11851765-B2 · Dec 26, 2023 · US
Two-step pretreatment system and method
US-11725286-B2 · Aug 15, 2023 · US
Titanium and magnesium compound for corrosion-resistant coatings
US-2023193051-A1 · Jun 22, 2023 · US
Titanium and magnesium compound for corrosion-resistant coatings
US-11584859-B2 · Feb 21, 2023 · US
Home appliance metal materials chemically resistant to peroxide degradation
US-2022064802-A1 · Mar 3, 2022 · US
Pretreatment Composition
US-2021292907-A1 · Sep 23, 2021 · US
Titanium and magnesium compound for corrosion-resistant coatings
US-2021047522-A1 · Feb 18, 2021 · 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
Titanium or titanium alloy material for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and manufacturing method therefor
US-10074857-B2 · Sep 11, 2018 · US
Titanium material or titanium alloy material having surface electrical conductivity, and fuel cell separator and fuel cell using the same
US-10033052-B2 · Jul 24, 2018 · US
Treated article and method of making the same
US-2017081523-A1 · Mar 23, 2017 · US
Titanium material or titanium alloy material having surface electrical conductivity, and fuel cell separator and fuel cell using the same
US-2016308222-A1 · Oct 20, 2016 · US
Titanium or titanium alloy material for fuel cell separator having high contact conductivity with carbon and high durability, fuel cell separator including the same, and manufacturing method therefor
US-2015147678-A1 · May 28, 2015 · US