Facile, low-energy routes for the production of hydrated calcium and magnesium salts from alkaline industrial wastes
US-12503372-B2 · Dec 23, 2025 · US
from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides
from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides · 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 | C01F5/22 |
| Official title | from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides |
| Display label | from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 10 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
g-C3N4@CuO/MgA12O4 nanocomposite for photocatalytic degradation of pollutants in contaminated water
US-12384690-B1 · Aug 12, 2025 · US
System for producing magnesium hydroxide
US-12364933-B2 · Jul 22, 2025 · US
Process for recovering titanium dioxide
US-12331380-B2 · Jun 17, 2025 · US
Mineral recovery enhanced desalination (MRED) process for desalination and recovery of commodity minerals
US-12227441-B2 · Feb 18, 2025 · US
Methods for extracting lithium from brines
US-2024336491-A1 · Oct 10, 2024 · US
Antibacterial magnesium hydroxide composition
US-12006224-B2 · Jun 11, 2024 · US
Magnesium oxide powder, filler composition, resin composition, and heat dissipation part
US-2024010899-A1 · Jan 11, 2024 · US
Flow-Assisted Selective Mineral Extraction from Non-Traditional Sources
US-2023373804-A1 · Nov 23, 2023 · US
Magnesium oxide powder, filler composition, resin composition, and heat dissipation part
US-2023357620-A1 · Nov 9, 2023 · US
Magnesium oxide powder, filler composition, resin composition, and heat dissipation part
US-2023257554-A1 · Aug 17, 2023 · US
Process for recovering titanium dioxide
US-2023220516-A1 · Jul 13, 2023 · US
Facile, low-energy routes for the production of hydrated calcium and magnesium salts from alkaline industrial wastes
US-2023159346-A1 · May 25, 2023 · US
Antibacterial magnesium hydroxide composition
US-2023127795-A1 · Apr 27, 2023 · US
Method for producing lithium hydroxide
US-2023079295-A1 · Mar 16, 2023 · US
Method for making mesoporous magnesium hydroxide nanoplates, an antibacterial composition, and a method of reducing nitroaromatic compounds
US-11584655-B2 · Feb 21, 2023 · US
System for producing magnesium hydroxide
US-2023038572-A1 · Feb 9, 2023 · US
Facile, low-energy routes for the production of hydrated calcium and magnesium salts from alkaline industrial wastes
US-11560318-B2 · Jan 24, 2023 · US
Method for making mesoporous magnesium hydroxide nanoplates, an antibacterial composition, and a method of reducing nitroaromatic compounds
US-2022144656-A1 · May 12, 2022 · US
Mineral Recovery Enhanced Desalination (MRED) Process for Desalination and Recovery of Commodity Minerals
US-2021317026-A1 · Oct 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01F5/22?
- CPC C01F5/22 is the Cooperative Patent Classification code for “from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides.”
- How many patents are filed under CPC C01F5/22 (from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C01F5/22 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).