Facile, low-energy routes for the production of hydrated calcium and magnesium salts from alkaline industrial wastes
US-12503372-B2 · Dec 23, 2025 · US
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Preparation involving liquid-liquid extraction, absorption or ion-exchange
Preparation involving liquid-liquid extraction, absorption or ion-exchange · 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 | C01F11/005 |
| Official title | {Preparation involving liquid-liquid extraction, absorption or ion-exchange} |
| Display label | Preparation involving liquid-liquid extraction, absorption or ion-exchange |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separation of bacl2 from cacl2 brine solution
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Method of removing calcium in a rechargeable lithium battery recycling process
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Separation of BACL2 from CACL2 brine solution
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Systems and methods for separating yttrium and strontium
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Mineral recovery enhanced desalination (MRED) process for desalination and recovery of commodity minerals
US-12227441-B2 · Feb 18, 2025 · US
Method for preparing lithium hydroxide by using lithium carbonate and barium compound
US-2025011181-A1 · Jan 9, 2025 · US
Stable immobilized amine sorbents for REE and heavy metal recovery from liquid sources
US-12031029-B2 · Jul 9, 2024 · US
Method for collecting calcium and rare earth metal from slag
US-2024060154-A1 · Feb 22, 2024 · US
Buffer-free process cycle for CO2 sequestration and carbonate production from brine waste streams with high salinity
US-11827542-B2 · Nov 28, 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
Stable immobilized amine sorbents for ree and heavy metal recovery from liquid sources
US-2023112681-A1 · Apr 13, 2023 · US
Buffer-free process cycle for co2 sequestration and carbonate production from brine waste streams with high salinity
US-2023058065-A1 · Feb 23, 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
Separation of bacl2 from cacl2 brine solution
US-2022281754-A1 · Sep 8, 2022 · US
Mineral Recovery Enhanced Desalination (MRED) Process for Desalination and Recovery of Commodity Minerals
US-2021317026-A1 · Oct 14, 2021 · US
Systems and Methods for Separating Yttrium and Strontium
US-2021238051-A1 · Aug 5, 2021 · US
Buffer-free process cycle for co2 sequestration and carbonate production from brine waste streams with high salinity
US-2021188671-A1 · Jun 24, 2021 · US
Buffer-free process cycle for CO2 sequestration and carbonate production from brine waste streams with high salinity
US-11040898-B2 · Jun 22, 2021 · US
Facile, low-energy routes for the production of hydrated calcium and magnesium salts from alkaline industrial wastes
US-2021024364-A1 · Jan 28, 2021 · US