Production method for treatment solution for forming insulating coating, production method for steel sheet having insulating coating, and production apparatus for treatment solution for forming insulating coating
US-12312694-B2 · May 27, 2025 · US
containing also magnesium cations
containing also magnesium cations · 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 | C23C22/188 |
| Official title | {containing also magnesium cations} |
| Display label | containing also magnesium cations |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrical steel sheet with insulating film
US-12104257-B2 · Oct 1, 2024 · US
Insulating coating treatment liquid, and grain-oriented electrical steel sheet having insulating coating and method for producing the same
US-11981821-B2 · May 14, 2024 · US
Electrical steel sheet with insulating film
US-2024102172-A1 · Mar 28, 2024 · US
Insulating coating-attached electrical steel sheet and manufacturing method therefor
US-11923115-B2 · Mar 5, 2024 · US
Grain-oriented electrical steel sheet, iron core of transformer, transformer, and method for reducing noise of transformer
US-11894167-B2 · Feb 6, 2024 · US
Grain-oriented magnetic steel sheets having chromium-free insulating tension coating, and methods for producing such steel sheets
US-11756713-B2 · Sep 12, 2023 · US
Coated metal, coating-forming treatment solution, and method for producing coated metal
US-11692272-B2 · Jul 4, 2023 · US
Coated metal, coating-forming treatment solution, and method for producing coated metal
US-2022162759-A1 · May 26, 2022 · US
Coated metal, coating-forming treatment solution, and method for producing coated metal
US-11280003-B2 · Mar 22, 2022 · US
Insulating coating treatment liquid, and grain-oriented electrical steel sheet having insulating coating and method for producing the same
US-2021317319-A1 · Oct 14, 2021 · US
Grain-oriented magnetic steel sheets having chromium-free insulating tension coating, and methods for producing such steel sheets
US-2021287834-A1 · Sep 16, 2021 · US
Production method for treatment solution for forming insulating coating, production method for steel sheet having insulating coating, and production apparatus for treatment solution for forming insulating coating
US-2021269921-A1 · Sep 2, 2021 · US
Electrical steel sheet having insulating coating, method for producing the same, transformer core and transformer using the electrical steel sheet, and method for reducing dielectric loss in transformer
US-2021202145-A1 · Jul 1, 2021 · US
Insulating coating-attached electrical steel sheet and manufacturing method therefor
US-2021035718-A1 · Feb 4, 2021 · US
Grain-oriented electrical steel sheet, iron core of transformer, transformer, and method for reducing noise of transformer
US-2019333662-A1 · Oct 31, 2019 · US
Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating
US-10458021-B2 · Oct 29, 2019 · US
Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating
US-10435791-B2 · Oct 8, 2019 · US
Coated metal, coating-forming treatment solution, and method for producing coated metal
US-2019226093-A1 · Jul 25, 2019 · US
Treatment solution for chromium-free tension coating, method for forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating
US-2018371621-A1 · Dec 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/188?
- CPC C23C22/188 is the Cooperative Patent Classification code for “containing also magnesium cations.”
- How many patents are filed under CPC C23C22/188 (containing also magnesium cations)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/188 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).