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 | C01D15/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 384 |
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 | 27 |
| 2016 | 35 |
| 2017 | 28 |
| 2018 | 22 |
| 2019 | 26 |
| 2020 | 30 |
| 2021 | 16 |
| 2022 | 36 |
| 2023 | 40 |
| 2024 | 45 |
| 2025 | 65 |
| 2026 | 14 |
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
Sodium iron(II)-hexacyanoferrate(II) battery electrode
US-9531003-B2 · Dec 27, 2016 · US
Methods and compositions for making metal oxide-graphene composites
US-9499410-B2 · Nov 22, 2016 · US
Cathode active material with whole particle concentration gradient for lithium secondary battery, method for preparing same, and lithium secondary battery having same
US-9493365-B2 · Nov 15, 2016 · US
Lithium-air batteries, method for making lithium-air batteries
US-9496590-B2 · Nov 15, 2016 · US
Lithium manganate particles for non-aqueous electrolyte secondary battery, process for producing the same, and non-aqueous electrolyte secondary battery
US-9496551-B2 · Nov 15, 2016 · US
Cathode composite material synthesis having high energy density for lithium secondary battery for electric vehicle and electrode manufacturing technology thereof
US-9478993-B2 · Oct 25, 2016 · US
Lithium metal oxide composite for lithium secondary battery, method for preparing the same, and lithium secondary battery including the same
US-9478801-B2 · Oct 25, 2016 · US
Cyanometallate cathode battery and method for fabrication
US-9455431-B2 · Sep 27, 2016 · US
Anode active material for lithium secondary battery, manufacturing method there-for, anode for lithium secondary battery comprising same, and lithium secondary battery
US-2016276672-A1 · Sep 22, 2016 · US
Sodium iron(II)-hexacyanoferrate(II) battery electrode and synthesis method
US-9450224-B2 · Sep 20, 2016 · US
System and methods for a cathode active material for a lithium ion battery cell
US-9446963-B2 · Sep 20, 2016 · US
Process for manufacturing lithium titanium oxides
US-9446964-B2 · Sep 20, 2016 · US
Transition metal composite hydroxide capable of serving as precursor of positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, postive electrode active material for nona queous electrolyte secondary batteries, method for producing positive electrode active material, and nonaqueous electrolyte secondary battery using postivie electrode active material
US-2016248091-A1 · Aug 25, 2016 · US
Transition metal composite hydroxide capable of serving as precursor of positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing positive electrode active material, and nonaqueous electrolyte secondary battery using positive electrode active material
US-2016244336-A1 · Aug 25, 2016 · US
Method of preparing material for lithium secondary battery of high performance
US-9416024-B2 · Aug 16, 2016 · US
Electrode materials for lithium ion batteries
US-2016233488-A1 · Aug 11, 2016 · US
Solventhermal synthesis of nanosized two dimensional materials
US-9409792-B2 · Aug 9, 2016 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01D15/02?
- CPC C01D15/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01D15/02 (Chemistry & Metallurgy)?
- Our database includes 384 publications tagged with this CPC code.
- Is patent activity under CPC C01D15/02 growing?
- Publication counts under this code: 45 in 2024 vs 65 in 2025 (latest complete years).