Method of manufacturing inorganic binder by reduction furnace slag and cured solid manufactured by the method
US-12415756-B2 · Sep 16, 2025 · US
Treatment of {metallurgical} slag (manufacture of slag wool C03B; in, or for, the production of metals C21B, C22B); Artificial stone from molten {metallurgical} slag {(other cast stone C04B32/005; mechanical aspects B28B1/54)}
Treatment of {metallurgical} slag (manufacture of slag wool C03B; in, or for, the production of metals C21B, C22B); Artificial stone from molten {metallurgical} slag {(other cast stone C04B32/005; mechanical aspects B28B1/54)} · 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 | C04B5/00 |
| Official title | Treatment of {metallurgical} slag (manufacture of slag wool C03B; in, or for, the production of metals C21B, C22B); Artificial stone from molten {metallurgical} slag {(other cast stone C04B32/005; mechanical aspects B28B1/54)} |
| Display label | Treatment of {metallurgical} slag (manufacture of slag wool C03B; in, or for, the production of metals C21B, C22B); Artificial stone from molten {metallurgical} slag {(other cast stone C04B32/005; mechanical aspects B28B1/54)} |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microwave heat treatment method for granulated blast furnace slag
US-2025042810-A1 · Feb 6, 2025 · US
Pyrolysis method of waste plastics using waste resources
US-2025034348-A1 · Jan 30, 2025 · US
Demetallized slag for abrasives and/or roofing granules and related methods
US-2024400873-A1 · Dec 5, 2024 · US
Method of extracting and carbonating calcium from alkaline industrial waste or by-product materials
US-12157675-B2 · Dec 3, 2024 · US
Demetallized slag for abrasives and/or roofing granules and related methods
US-12091605-B2 · Sep 17, 2024 · US
Method of continuous manufacturing of solidified steelmaking slag and associated device
US-11708302-B2 · Jul 25, 2023 · US
Method of manufacturing inorganic binder by reduction furnace slag and cured solid manufactured by the method
US-2023192551-A1 · Jun 22, 2023 · US
Demetallized slag for abrasives and/or roofing granules and related methods
US-2022332994-A1 · Oct 20, 2022 · US
Method and system for treatment of spent chloroaluminate ionic liquid catalyst and alkaline wastewater
US-11426702-B2 · Aug 30, 2022 · US
Method of extracting and carbonating calcium from alkaline industrial waste or by-product materials
US-2022024778-A1 · Jan 27, 2022 · US
Method and system for treatment of spent chloroaluminate ionic liquid catalyst and alkaline wastewater
US-2020392029-A1 · Dec 17, 2020 · US
Method for obtaining calcium aluminates from non-saline aluminum slags
US-10858261-B2 · Dec 8, 2020 · US
Method for eluting calcium from steelmaking slag, and method for collecting calcium from steelmaking slag
US-2020318209-A1 · Oct 8, 2020 · US
Method of continuous manufacturing of solidified steelmaking slag and associated device
US-2020231498-A1 · Jul 23, 2020 · US
Casting powder, casting slag and method for casting steel
US-10486227-B2 · Nov 26, 2019 · US
Method for recovering calcium-containing solid component from steelmaking slag and recovered solid component
US-10287652-B2 · May 14, 2019 · US
Method for eluting calcium from steel slag and method for recovering calcium from steel slag
US-2019078170-A1 · Mar 14, 2019 · US
Method for treating desulfurization slag
US-10174389-B2 · Jan 8, 2019 · US
Methods and apparatus for metal recovery from slag
US-10174403-B2 · Jan 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B5/00?
- CPC C04B5/00 is the Cooperative Patent Classification code for “Treatment of {metallurgical} slag (manufacture of slag wool C03B; in, or for, the production of metals C21B, C22B); Artificial stone from molten {metallurgical} slag {(other cast stone C04B32/005; mechanical aspects B28B1/54)}.”
- How many patents are filed under CPC C04B5/00 (Treatment of {metallurgical} slag (manufacture of slag wool C03B; in, or for, the production of metals C21B, C22B); Artificial stone from molten {metallurgical} slag {(other cast stone C04B32/005; mechanical aspects B28B1/54)})?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C04B5/00 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).