Passivation composition based on mixtures of phosphoric and phosphonic acids
US-12428733-B2 · Sep 30, 2025 · US
containing magnesium cations · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C22/368 |
| Official title | {containing magnesium cations} |
| Display label | containing magnesium cations |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12428733-B2 · Sep 30, 2025 · US
US-2021254219-A1 · Aug 19, 2021 · US
US-2020248287-A1 · Aug 6, 2020 · US
US-9879349-B2 · Jan 30, 2018 · US
US-2016201199-A1 · Jul 14, 2016 · US
US-2015010708-A1 · Jan 8, 2015 · US