Method for thermal activation of coal gangue and in-situ carbon fixation utilizing waste heat from steel slag
US-2025376416-A1 · Dec 11, 2025 · US
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Ingredients, other than water, added to the molten slag {or to the granulating medium or before remelting}; Treatment with gases or gas generating compounds, e.g. to obtain porous slag
Ingredients, other than water, added to the molten slag {or to the granulating medium or before remelting}; Treatment with gases or gas generating compounds, e.g. to obtain porous slag · 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 | C04B5/06 |
| Official title | Ingredients, other than water, added to the molten slag {or to the granulating medium or before remelting}; Treatment with gases or gas generating compounds, e.g. to obtain porous slag |
| Display label | Ingredients, other than water, added to the molten slag {or to the granulating medium or before remelting}; Treatment with gases or gas generating compounds, e.g. to obtain porous slag |
| Total patents | 21 |
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 | 4 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Geopolymer composition and its production method
US-2025250198-A1 · Aug 7, 2025 · US
Methods, systems for dehydrating gasification fine slags, and media thereof
US-12275672-B2 · Apr 15, 2025 · US
Methods, systems for dehydrating gasification fine slags, and media thereof
US-2024308909-A1 · Sep 19, 2024 · US
Method of continuous manufacturing of solidified steelmaking slag and associated device
US-11708302-B2 · Jul 25, 2023 · US
Process for modifying steel slag through acidification and carbonization coupling
US-11572307-B1 · Feb 7, 2023 · US
Method for preparing a cementing material using smelting industrial waste slag after utilizing the simultaneous removal of S02 and NOx in flue gas and application of the cementing material obtained by the same
US-11440842-B2 · Sep 13, 2022 · US
METHOD FOR PREPARING A CEMENTING MATERIAL USING SMELTING INDUSTRIAL WASTE SLAG AFTER UTILIZING THE SIMULTANEOUS REMOVAL OF SO2 AND NOx IN FLUE GAS AND APPLICATION OF THE CEMENTING MATERIAL OBTAINED BY THE SAME
US-2021331974-A1 · Oct 28, 2021 · US
Method of continuous manufacturing of solidified steelmaking slag and associated device
US-2020231498-A1 · Jul 23, 2020 · US
Method for recovering calcium-containing solid component from steelmaking slag and recovered solid component
US-10287652-B2 · May 14, 2019 · US
Method for recovering calcium-containing solid component from steelmaking slag and recovered solid component
US-2018051357-A1 · Feb 22, 2018 · US
Phosphorus and calcium collection method, and mixture produced by said collection method
US-9783418-B2 · Oct 10, 2017 · US
Slag-supplying container for use in electric furnace for reduction processing of steel-making slag
US-9534266-B2 · Jan 3, 2017 · US
Method for reducing slag
US-9512497-B2 · Dec 6, 2016 · US
Phosphorus and calcium collection method, and mixture produced by said collection method
US-2016347615-A1 · Dec 1, 2016 · US
Granulation of metallurgical slag
US-9371571-B2 · Jun 21, 2016 · US
Reduction processing apparatus for steel-making slag and reduction processing system for steel-making slag
US-9238846-B2 · Jan 19, 2016 · US
Method of reduction processing of steel-making slag
US-9217185-B2 · Dec 22, 2015 · US
Dry granulation of metallurgical slag
US-9200346-B2 · Dec 1, 2015 · US
Method of reduction processing of steel-making slag
US-2015135896-A1 · May 21, 2015 · US