Treatment process for crystallizing a metal sulfate
US-2026070803-A1 · Mar 12, 2026 · US
with acids or salt solutions (C22B47/0072 takes precedence)
with acids or salt solutions (C22B47/0072 takes precedence) · 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 | C22B47/0063 |
| Official title | {with acids or salt solutions (C22B47/0072 takes precedence)} |
| Display label | with acids or salt solutions (C22B47/0072 takes precedence) |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for selectively capturing chemical elements from a polymetallic sample
US-2026055006-A1 · Feb 26, 2026 · US
Alkyl carbonates as reducing agents in hydrometallurgy
US-2026045572-A1 · Feb 12, 2026 · US
Method for reducing waste by recovering transition metals from lithium secondary battery
US-12451533-B2 · Oct 21, 2025 · US
Treatment process for crystallizing a metal sulfate
US-12441621-B2 · Oct 14, 2025 · US
Process for recovering cobalt ion, nickel ion and manganese ion from metal-containing residues
US-12378636-B2 · Aug 5, 2025 · US
Method using solvent extraction for selective recovery of valuable metal from lithium secondary battery waste material
US-2025183398-A1 · Jun 5, 2025 · US
Oxidative leaching methods
US-2025146102-A1 · May 8, 2025 · US
Process for the recovery of metals from oxidic ores
US-12215407-B2 · Feb 4, 2025 · US
Oxidative and reductive leaching methods
US-2025034676-A1 · Jan 30, 2025 · US
Process for the recovery of metals from polymetallic nodules
US-12168812-B2 · Dec 17, 2024 · US
Method of recovering transition metal from lithium secondary battery
US-2024413419-A1 · Dec 12, 2024 · US
Method of recovering transition metal
US-2024243380-A1 · Jul 18, 2024 · US
Process for recovering metals from recycled rechargeable batteries
US-12000014-B2 · Jun 4, 2024 · US
Method for reducing waste by recovering transition metals from lithium secondary battery
US-2024030510-A1 · Jan 25, 2024 · US
Battery recycling
US-2023411724-A1 · Dec 21, 2023 · US
Recycling method for mixed waste material of lithium nickel manganese cobalt oxide and lithium iron phosphate
US-2023332267-A1 · Oct 19, 2023 · US
A process for recovering cobalt ion, nickel ion and manganese ion from metal-containing residues
US-2023304126-A1 · Sep 28, 2023 · US
Methods for manufacturing positive electrode active material precursor material and positive electrode active material for secondary lithium battery, and positive electrode active material for secondary lithium battery manufactured thereby
US-2023106658-A1 · Apr 6, 2023 · US
A process for recovering metals from recycled rechargeable batteries
US-2023080556-A1 · Mar 16, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B47/0063?
- CPC C22B47/0063 is the Cooperative Patent Classification code for “with acids or salt solutions (C22B47/0072 takes precedence).”
- How many patents are filed under CPC C22B47/0063 (with acids or salt solutions (C22B47/0072 takes precedence))?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC C22B47/0063 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).