Geopolymer precursor preparation
US-2026015288-A1 · Jan 15, 2026 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C22B4/005 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for extracting a metal ion from an earth material
US-2026014493-A1 · Jan 15, 2026 · US
Collocating a large-scale dissociating reactor near a geothermal energy source for green refinement of critical minerals from brines
US-12221670-B2 · Feb 11, 2025 · US
Collocating a large-scale dissociating reactor near a geothermal energy source for green refinement of critical minerals from brines
US-2024271250-A1 · Aug 15, 2024 · US
Collocating a large-scale dissociating reactor near a geothermal energy source for green refinement of critical minerals from brines
US-2024247338-A1 · Jul 25, 2024 · US
Collocating a large-scale dissociating reactor near a geothermal energy source for producing green lithium from brines
US-12012644-B2 · Jun 18, 2024 · US
Treatment of a composition with a plasma
US-2024117464-A1 · Apr 11, 2024 · US
Collocating a large-scale dissociating reactor near a geothermal energy source for producing green lithium from brines
US-2023416875-A1 · Dec 28, 2023 · US
Collocating a large-scale dissociating reactor near a geothermal energy source for producing green lithium from brines
US-2023304129-A1 · Sep 28, 2023 · US
Method for refining one or more critical minerals
US-2023304127-A1 · Sep 28, 2023 · US
Method for refining one or more critical minerals
US-11761057-B1 · Sep 19, 2023 · US
Process and system for plasma-induced selective extraction and recovery of species from a matrix
US-11692239-B2 · Jul 4, 2023 · US
Rare earth oxide to rare earth extraction apparatus and method of use thereof
US-11643706-B2 · May 9, 2023 · US
Rare earth extraction apparatus and method of use thereof
US-2021025025-A1 · Jan 28, 2021 · US
Rare earth oxide to rare earth extraction apparatus and method of use thereof
US-2021025027-A1 · Jan 28, 2021 · US
Systems and methods for lowering the reduction of iron ore energy
US-10704121-B1 · Jul 7, 2020 · US
Methods for making zirconium based alloys and bulk metallic glasses
US-10494698-B1 · Dec 3, 2019 · US
Plasma and oxygas fired furnace
US-10458000-B2 · Oct 29, 2019 · US
Process for smelting lithium-ion batteries
US-10326182-B2 · Jun 18, 2019 · US
Process And System For Plasma-Induced Selective Extraction And Recovery Of Species From A Matrix
US-2019136341-A1 · May 9, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B4/005?
- CPC C22B4/005 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C22B4/005 (Chemistry & Metallurgy)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C22B4/005 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).