Method for removing iron from iron-containing solution and method for recovering valuable metals
US-10443111-B2 · Oct 15, 2019 · US
Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; {Methods of a general interest or applied to the winning of more than two metals (briquetting of scrap C22B1/248; preliminary treatment of scrap C22B1/005)}
Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; {Methods of a general interest or applied to the winning of more than two metals (briquetting of scrap C22B1/248; preliminary treatment of scrap C22B1/005)} · 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 | C22B7/00 |
| Official title | Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; {Methods of a general interest or applied to the winning of more than two metals (briquetting of scrap C22B1/248; preliminary treatment of scrap C22B1/005)} |
| Display label | Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; {Methods of a general interest or applied to the winning of more than two metals (briquetting of scrap C22B1/248; preliminary treatment of scrap C22B1/005)} |
| Total patents | 198 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 9 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 27 |
| 2024 | 41 |
| 2025 | 21 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid-liquid extraction unit, multistage liquid-liquid extraction apparatus using the unit, and multistage continuous extraction system for rare earth elements
US-10407752-B2 · Sep 10, 2019 · US
Method for removing copper from lithium ion battery scrap and method for recovering metals
US-10400304-B2 · Sep 3, 2019 · US
Nickel recovery process
US-10344354-B2 · Jul 9, 2019 · US
Process for the recycling of lithium battery electrode materials
US-2019207275-A1 · Jul 4, 2019 · US
Method for recovering valuable metal
US-10294546-B2 · May 21, 2019 · US
Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps
US-10280482-B2 · May 7, 2019 · US
Processing method for lithium ion battery scrap
US-2019106768-A1 · Apr 11, 2019 · US
Method for producing tungsten carbide
US-10227235-B2 · Mar 12, 2019 · US
Method of recovering acid and platinum group metal from leaching solution of spent catalyst
US-10190192-B2 · Jan 29, 2019 · US
Scandium recovery process
US-10190189-B2 · Jan 29, 2019 · US
Separation method of rare earth element and iron and rare earth element-containing slag
US-2019017147-A1 · Jan 17, 2019 · US
Ni-based superalloy part recycling method
US-2019010594-A1 · Jan 10, 2019 · US
Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps
US-2018363098-A1 · Dec 20, 2018 · US
Method for processing packing material to recover aluminium
US-10046978-B2 · Aug 14, 2018 · US
Method for leaching valuable metals contained in waste denitrification catalyst by using roasting and water leaching
US-10017839-B2 · Jul 10, 2018 · US
Sodium tungstate production method
US-10011890-B2 · Jul 3, 2018 · US
Method for removing copper from lithium ion battery scrap and method for recovering metals
US-2018087127-A1 · Mar 29, 2018 · US
Method for treating lithium ion battery
US-2018083325-A1 · Mar 22, 2018 · US
Molten metal scrap submergence apparatus
US-9920992-B2 · Mar 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B7/00?
- CPC C22B7/00 is the Cooperative Patent Classification code for “Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; {Methods of a general interest or applied to the winning of more than two metals (briquetting of scrap C22B1/248; preliminary treatment of scrap C22B1/005)}.”
- How many patents are filed under CPC C22B7/00 (Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; {Methods of a general interest or applied to the winning of more than two metals (briquetting of scrap C22B1/248; preliminary treatment of scrap C22B1/005)})?
- Our database includes 198 publications tagged with this CPC code.
- Is patent activity under CPC C22B7/00 growing?
- Publication counts under this code: 41 in 2024 vs 21 in 2025 (latest complete years).