Improved Activation Agent for Manganese Phosphating Processes
US-2024287681-A1 · Aug 29, 2024 · US
containing manganese cations
containing manganese 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 | C23C22/18 |
| Official title | containing manganese cations |
| Display label | containing manganese cations |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 2 |
| 2021 | 9 |
| 2022 | 12 |
| 2023 | 2 |
| 2024 | 16 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Plated steel material
US-12043900-B2 · Jul 23, 2024 · US
Grain-oriented electrical steel sheet and method for forming insulating coating
US-2024186039-A1 · Jun 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
Alkaline molybdenum cation and phosphonate-containing cleaning composition
US-11518960-B2 · Dec 6, 2022 · US
Electrical steel sheet
US-11499059-B2 · Nov 15, 2022 · US
Solution for forming insulation coating and grain-oriented electrical steel sheet
US-11440846-B2 · Sep 13, 2022 · US
Composition, its use for acid pickling of magnesium alloys and method for acid pickling of magnesium alloys
US-2022267907-A1 · Aug 25, 2022 · US
Coated metal, coating-forming treatment solution, and method for producing coated metal
US-2022162759-A1 · May 26, 2022 · US
Corrosion and mar resistance of steel components
US-11326259-B2 · May 10, 2022 · US
Threaded connection for pipes and method for producing threaded connection for pipes
US-11293569-B2 · Apr 5, 2022 · US
Grain-oriented electrical steel sheet and method for manufacturing same
US-2022098692-A1 · Mar 31, 2022 · US
Coated metal, coating-forming treatment solution, and method for producing coated metal
US-11280003-B2 · Mar 22, 2022 · US
Composition, and threaded connection for pipes including lubricant coating layer formed from the composition
US-2022064561-A1 · Mar 3, 2022 · US
Treatment agent for chromium-free insulating coating formation, insulation-coated grain-oriented electrical steel sheet, and method for manufacturing the same
US-2022049359-A1 · Feb 17, 2022 · US
Method for treatment of a chromium finish surface
US-11214881-B2 · Jan 4, 2022 · US
Method for treatment of a chromium finish surface
US-2021355594-A1 · Nov 18, 2021 · 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/18?
- CPC C23C22/18 is the Cooperative Patent Classification code for “containing manganese cations.”
- How many patents are filed under CPC C23C22/18 (containing manganese cations)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/18 growing?
- Publication counts under this code: 16 in 2024 vs 8 in 2025 (latest complete years).