Process for the refining of iron oxides, iron oxides resulting thereof and their use
US-2025042764-A1 · Feb 6, 2025 · US
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By a chloride process
By a chloride process · 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 | C21B15/006 |
| Official title | {By a chloride process} |
| Display label | By a chloride process |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and plant for producing iron from roasted pyrites
US-10125403-B2 · Nov 13, 2018 · US
Method and plant for producing iron from roasted pyrites
US-2016102375-A1 · Apr 14, 2016 · US