Processing hard rock lithium minerals or other materials to produce lithium materials and byproducts converted from a sodium sulfate intermediate product
US-2024425381-A1 · Dec 26, 2024 · 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 | C22B1/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 258 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 17 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 14 |
| 2021 | 17 |
| 2022 | 11 |
| 2023 | 43 |
| 2024 | 50 |
| 2025 | 48 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lithium ion battery recycling process utilizing magnetic separation of electrode materials
US-2024047775-A1 · Feb 8, 2024 · US
Method for recovering aluminum residue with controlled particle size, and use thereof
US-2024021902-A1 · Jan 18, 2024 · US
A method for recovering valuable metals and simultaneously preparing ceramsite by roasting cyanide tailing
US-2019382312-A1 · Dec 19, 2019 · US
Process for recovering primary metal residue from a metal-containing composition
US-10508320-B2 · Dec 17, 2019 · US
Vanadium recovery method
US-10486983-B2 · Nov 26, 2019 · US
Oxy-Fuel Combustion System and Method for Melting a Pelleted Charge Material
US-2019293351-A1 · Sep 26, 2019 · US
Method for recovering rare earth element
US-10316393-B2 · Jun 11, 2019 · US
Systems and methods for copper recovery via roasting and leaching
US-10246789-B2 · Apr 2, 2019 · US
Process and facility for thermal treatment of a sulfur-containing ore
US-2019017143-A1 · Jan 17, 2019 · US
Multi-stage suspension magnetizing roasting-magnetic separation system device and method for refractory iron ore
US-2018361395-A1 · Dec 20, 2018 · US
Method and plant for processing roasted pyrites
US-10125409-B2 · Nov 13, 2018 · US
Method and plant for producing iron from roasted pyrites
US-10125403-B2 · Nov 13, 2018 · US
Vanadium recovery method
US-2018297856-A1 · Oct 18, 2018 · US
Method for recovering high-purity scandium
US-10081851-B2 · Sep 25, 2018 · US
Method for recovering rare earth element
US-10081040-B2 · Sep 25, 2018 · US
Method of preparing a gold-containing solution and process arrangement for recovering gold and silver
US-10060007-B2 · Aug 28, 2018 · US
Method for recovering gold from refractory ore
US-9920395-B2 · Mar 20, 2018 · US
Method for processing vanadium-titanium magnetite finished ores by using wet process
US-9896742-B2 · Feb 20, 2018 · US
Process
US-2018044762-A1 · Feb 15, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B1/02?
- CPC C22B1/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C22B1/02 (Chemistry & Metallurgy)?
- Our database includes 258 publications tagged with this CPC code.
- Is patent activity under CPC C22B1/02 growing?
- Publication counts under this code: 50 in 2024 vs 48 in 2025 (latest complete years).