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
containing alkaline earth metal cations
containing alkaline earth metal 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 | C23C22/22 |
| Official title | containing alkaline earth metal cations |
| Display label | containing alkaline earth metal cations |
| Total patents | 135 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 13 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 19 |
| 2023 | 9 |
| 2024 | 18 |
| 2025 | 17 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Packaging material for power storage devices, and method of producing packaging material for power storage devices
US-11121425-B2 · Sep 14, 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
Coating solution for forming insulating film for grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet
US-2020354582-A1 · Nov 12, 2020 · US
Method for manufacturing a magnesium material or magnesium alloy material with a coating
US-2020340123-A1 · Oct 29, 2020 · US
Electrical steel sheet and method for producing electrical steel sheet
US-10706998-B2 · Jul 7, 2020 · US
Pre-coating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet comprising same, and manufacturing method therefor
US-10648083-B2 · May 12, 2020 · US
Bonding agent composition
US-2020115591-A1 · Apr 16, 2020 · US
Magnesium-containing metal material provided with coating
US-2020109474-A1 · Apr 9, 2020 · US
Electrical steel sheet
US-10604848-B2 · Mar 31, 2020 · US
Chromium-free coating for the electrical insulation of grain-oriented electrical steel strip
US-10597539-B2 · Mar 24, 2020 · US
Electrical steel sheet
US-10549315-B2 · Feb 4, 2020 · US
Electrical steel sheet
US-10519551-B2 · Dec 31, 2019 · US
Piston ring and its production method
US-10502319-B2 · Dec 10, 2019 · US
Electrical steel sheet
US-2019367746-A1 · Dec 5, 2019 · 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
Grain-oriented electrical steel sheet
US-2019271087-A1 · Sep 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/22?
- CPC C23C22/22 is the Cooperative Patent Classification code for “containing alkaline earth metal cations.”
- How many patents are filed under CPC C23C22/22 (containing alkaline earth metal cations)?
- Our database includes 135 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/22 growing?
- Publication counts under this code: 18 in 2024 vs 17 in 2025 (latest complete years).