Process for producing raw steel and aggregate for production thereof
US-12571062-B2 · Mar 10, 2026 · US
Processes yielding slags of special composition
Processes yielding slags of special composition · 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 | C21C5/54 |
| Official title | Processes yielding slags of special composition |
| Display label | Processes yielding slags of special composition |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 6 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 10 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing molten iron with electric arc furnace
US-12492439-B2 · Dec 9, 2025 · US
Method for monitoring a steelmaking process and associated computer program
US-12473604-B2 · Nov 18, 2025 · US
Process for manufacturing a slag conditioning agent for steel desulfurization
US-12378619-B2 · Aug 5, 2025 · US
Method for producing chromium-containing molten iron
US-12331368-B2 · Jun 17, 2025 · US
Method for producing molten steel
US-12281365-B2 · Apr 22, 2025 · US
Method for recycling chromium oxide and forming chromium-alloy steel
US-12215395-B2 · Feb 4, 2025 · US
Molten pig iron manufacturing method
US-2024368716-A1 · Nov 7, 2024 · US
Method for producing chromium-containing molten iron
US-12134799-B2 · Nov 5, 2024 · US
Process for the combined manufacture of steel and cement clinker
US-2024318271-A1 · Sep 26, 2024 · US
Process for manufacturing a slag conditioning agent for steel desulfurization
US-2024247330-A1 · Jul 25, 2024 · US
Method for dephosphorization of molten iron
US-2024229177-A1 · Jul 11, 2024 · US
Process for manufacturing a slag conditioning agent for steel desulfurization
US-11932914-B2 · Mar 19, 2024 · US
Pyrometallurgical process for recovering nickel, manganese, and cobalt
US-11926884-B2 · Mar 12, 2024 · US
Solid agglomerated product based on iron oxides and corresponding production method
US-2024060150-A1 · Feb 22, 2024 · US
Cross-correlation of metrics for anomaly root cause identification
US-11886285-B2 · Jan 30, 2024 · US
Cross-Correlation Of Metrics For Anomaly Root Cause Identification
US-2023359519-A9 · Nov 9, 2023 · US
Elaboration of an advanced ceramic made of recycled industrial steel waste
US-11787745-B2 · Oct 17, 2023 · US
Process for producing raw steel and aggregate for production thereof
US-2023323491-A1 · Oct 12, 2023 · US
Method for manufacturing low-phosphorus molten steel
US-2023313330-A1 · Oct 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21C5/54?
- CPC C21C5/54 is the Cooperative Patent Classification code for “Processes yielding slags of special composition.”
- How many patents are filed under CPC C21C5/54 (Processes yielding slags of special composition)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C21C5/54 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).