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
Carbonates; Bicarbonates
Carbonates; Bicarbonates · 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 | C01D15/08 |
| Official title | Carbonates; Bicarbonates |
| Display label | Carbonates; Bicarbonates |
| Total patents | 250 |
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 | 4 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 14 |
| 2020 | 17 |
| 2021 | 21 |
| 2022 | 31 |
| 2023 | 33 |
| 2024 | 47 |
| 2025 | 55 |
| 2026 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lithium recovery thermal management
US-2024336490-A1 · Oct 10, 2024 · US
Method of extracting lithium, method of preparing lithium carbonate and method of preparing lithium hydroxide
US-11873228-B2 · Jan 16, 2024 · US
Membrane electrode material, its preparation method and application in lithium extraction by adsorption-electrochemical coupling technology
US-2021388465-A1 · Dec 16, 2021 · US
Charge material for recycled lithium-ion batteries
US-11127992-B2 · Sep 21, 2021 · US
Method for regenerating lithium precursor and system for regenerating lithium precursor
US-2021273274-A1 · Sep 2, 2021 · US
Systems and methods for recycling electrodes
US-2021242514-A1 · Aug 5, 2021 · US
Method for recovering lithium
US-2021188652-A1 · Jun 24, 2021 · US
Negative electrode active material, mixed negative electrode active material, negative electrode for nonaqueous electrolyte secondary battery, lithium ion secondary battery, and method for producing negative electrode active material
US-2021193990-A1 · Jun 24, 2021 · US
Method for recovering active metals from lithium secondary battery
US-2021115532-A1 · Apr 22, 2021 · US
Method for recovering lithium hydroxide
US-2021070622-A1 · Mar 11, 2021 · US
Selective material recovery from natural brines
US-2021047196-A1 · Feb 18, 2021 · US
Preparation method for lithium phosphate, preparation method for lithium hydroxide, and preparation method for lithium carbonate
US-2020407225-A1 · Dec 31, 2020 · US
Inhibitor for alkali and alkaline earth metals
US-2020407637-A1 · Dec 31, 2020 · US
Regenerated Lithium-Ion Cathode Materials Having Modified Surfaces
US-2020373610-A1 · Nov 26, 2020 · US
Positive electrode additive and preparation method therefor, positive electrode plate and secondary lithium ion battery
US-10840501-B2 · Nov 17, 2020 · US
Mechanochemical recovery of Co, Li and other constituents from spent lithium-ion batteries
US-2020318219-A1 · Oct 8, 2020 · US
Method of Regenerating Lithium Precursor
US-2020313251-A1 · Oct 1, 2020 · US
Regenerated lithium-ion cathode materials having modified surfaces
US-10777843-B2 · Sep 15, 2020 · US
Thermoelectric power generation and mineral extraction from brines
US-2020279987-A1 · Sep 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01D15/08?
- CPC C01D15/08 is the Cooperative Patent Classification code for “Carbonates; Bicarbonates.”
- How many patents are filed under CPC C01D15/08 (Carbonates; Bicarbonates)?
- Our database includes 250 publications tagged with this CPC code.
- Is patent activity under CPC C01D15/08 growing?
- Publication counts under this code: 47 in 2024 vs 55 in 2025 (latest complete years).