Concerted mineral carbonation and selective leaching of laterites
US-2023407436-A1 · Dec 21, 2023 · US
with acids or salt solutions except ammonium salts solutions
with acids or salt solutions except ammonium salts 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 | C22B23/0415 |
| Official title | {with acids or salt solutions except ammonium salts solutions} |
| Display label | with acids or salt solutions except ammonium salts solutions |
| Total patents | 136 |
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 | 6 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 12 |
| 2023 | 19 |
| 2024 | 31 |
| 2025 | 21 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing battery grade metal sulphate solutions
US-2023312368-A1 · Oct 5, 2023 · US
Process for the preparation of precursor compounds for lithium battery cathodes
US-11695169-B2 · Jul 4, 2023 · US
Process for the recovery of cathode materials in the recycling of batteries by removing aluminum and iron
US-11509000-B2 · Nov 22, 2022 · US
Process and its products for spent lithium-ion batteries treatment
US-2022285750-A1 · Sep 8, 2022 · US
Methods of recovering active materials from rechargeable batteries, and related apparatuses
US-2022223932-A1 · Jul 14, 2022 · US
Process for the preparation of battery precursors
US-2022223933-A1 · Jul 14, 2022 · US
Process for the preparation of precursor compounds for lithium battery cathodes
US-2022216534-A1 · Jul 7, 2022 · US
Recovering mixed-metal ions from aqueous solutions
US-2022205064-A1 · Jun 30, 2022 · US
Process for the recovery of cathode materials in the recycling of batteries
US-2022149452-A1 · May 12, 2022 · US
Battery recycling by treatment of the leach with metallic nickel
US-2022136084-A1 · May 5, 2022 · US
Method of extracting metal ions from batteries
US-2022136079-A1 · May 5, 2022 · US
Process and method for producing crystallized metal sulfates
US-2022009793-A1 · Jan 13, 2022 · US
Battery recycling with electrolysis of the leach to remove copper impurities
US-2022013820-A1 · Jan 13, 2022 · US
Battery recycling by hydrogen gas injection in leach
US-2022010407-A1 · Jan 13, 2022 · US
Process for the recycling of spent lithium ion cells
US-2021324495-A1 · Oct 21, 2021 · US
Process for recovering metals from recycled rechargeable batteries
US-2021317547-A1 · Oct 14, 2021 · US
Method for separating copper from nickel and cobalt
US-2021262060-A1 · Aug 26, 2021 · US
Solid PCD with transition layers to accelerate full leaching of catalyst
US-11014157-B2 · May 25, 2021 · US
Method for recovering nickel and cobalt from nickel, iron, and cobalt-containing raw material
US-2021130926-A1 · May 6, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B23/0415?
- CPC C22B23/0415 is the Cooperative Patent Classification code for “with acids or salt solutions except ammonium salts solutions.”
- How many patents are filed under CPC C22B23/0415 (with acids or salt solutions except ammonium salts solutions)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC C22B23/0415 growing?
- Publication counts under this code: 31 in 2024 vs 21 in 2025 (latest complete years).