Method for recovering copper, molybdenum, and precious metals from silicate-containing ore
US-2022119917-A1 · Apr 21, 2022 · US
in inorganic alkaline solutions
in inorganic alkaline solutions · 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 | C22B3/12 |
| Official title | in inorganic alkaline solutions |
| Display label | in inorganic alkaline solutions |
| Total patents | 111 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 15 |
| 2023 | 10 |
| 2024 | 15 |
| 2025 | 9 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for recovering copper, molybdenum, and precious metals from mineral ores via pressure oxidation
US-2022119913-A1 · Apr 21, 2022 · US
Method of pretreatment and bromine recovery of PCB incineration ash
US-11198615-B2 · Dec 14, 2021 · US
Selective separation of elements or commodities of interest in aqueous streams
US-11186896-B2 · Nov 30, 2021 · US
Method and system for X-ray fluorescence (XRF) analysis of exploration samples
US-11175246-B2 · Nov 16, 2021 · US
Battery recycling
US-2021351450-A1 · Nov 11, 2021 · US
Method for separating metal components
US-11066724-B2 · Jul 20, 2021 · US
Method of extracting lithium compound(s)
US-2021147247-A1 · May 20, 2021 · US
Flotation reagents and flotation processes utilizing same
US-11007538-B2 · May 18, 2021 · US
Method for selective recovery of valuable metal from waste denitrification catalyst through alkali fusion
US-2021130928-A1 · May 6, 2021 · US
Method for recovering lithium hydroxide
US-2021070622-A1 · Mar 11, 2021 · US
Method of manufacturing uranium target to be soluble in basic solution and method of extracting radioactive mo-99 using the same
US-2020368820-A1 · Nov 26, 2020 · US
Methods for making zeolites
US-10844460-B2 · Nov 24, 2020 · US
Method for producing vanadate
US-2020290889-A1 · Sep 17, 2020 · US
Method for immobilizing arsenic, and arsenic-containing vitrified waste
US-10758954-B2 · Sep 1, 2020 · US
A Method of Pretreatment and Bromine Recovery of PCB Incineration Ash
US-2020262712-A1 · Aug 20, 2020 · US
Process for recovering heavy metal ions
US-10723633-B2 · Jul 28, 2020 · US
Treatment of degraded oxime metal extractants in process organic solutions
US-10662499-B2 · May 26, 2020 · US
Acid digestion processes for recovery of rare earth elements from coal and coal byproducts
US-10626482-B2 · Apr 21, 2020 · US
Methods for recovery of rare earth elements from coal
US-2020002785-A1 · Jan 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B3/12?
- CPC C22B3/12 is the Cooperative Patent Classification code for “in inorganic alkaline solutions.”
- How many patents are filed under CPC C22B3/12 (in inorganic alkaline solutions)?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC C22B3/12 growing?
- Publication counts under this code: 15 in 2024 vs 9 in 2025 (latest complete years).