Method to process borate by-products from sodium borohydride hydrolysis
US-2025353754-A1 · Nov 20, 2025 · US
of alkali metal
of alkali metal · 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 | C01B35/121 |
| Official title | {of alkali metal} |
| Display label | of alkali metal |
| Total patents | 65 |
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 | 3 |
| 2016 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Positive Electrode Active Material for Secondary Battery, Method for Preparing Same, and Lithium Secondary Battery Including Same
US-2025336963-A1 · Oct 30, 2025 · US
Positive electrode active material for lithium battery and manufacturing method thereof
US-2025316685-A1 · Oct 9, 2025 · US
Anodically stable and highly conducting borane solid state battery electrolytes
US-2025206622-A1 · Jun 26, 2025 · US
Low-cost multi-cationic li-boracite as a solid state ionic conductor for lithium batteries
US-2025140904-A1 · May 1, 2025 · US
Positive Electrode Active Material for Secondary Battery, Method of Preparing the Same, and Lithium Secondary Battery Including the Positive Electrode Active Material
US-2025046814-A1 · Feb 6, 2025 · US
Positive electrode active material for secondary battery, method of preparing the same, and lithium secondary battery including the positive electrode active material
US-12176535-B2 · Dec 24, 2024 · US
Positive electrode active material for lithium secondary battery, method of preparing the same, and positive electrode for lithium secondary battery and lithium secondary battery which include the positive electrode active material
US-12176532-B2 · Dec 24, 2024 · US
Method of producing positive electrode active material, positive electrode active material, positive electrode plate, and non-aqueous electrolyte secondary battery
US-2024343606-A1 · Oct 17, 2024 · US
Secondary battery, battery module, battery pack, and electric apparatus
US-2024347771-A1 · Oct 17, 2024 · US
Electrochemical device and electronic device
US-2024243358-A1 · Jul 18, 2024 · US
Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing the same, positive electrode mixture paste for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
US-11996556-B2 · May 28, 2024 · US
Coated cathode active material, method for producing coated cathode active material, and all solid state battery
US-11990619-B2 · May 21, 2024 · US
Positive electrode active material for nonaqueous secondary battery, and method for manufacturing same
US-2024072253-A1 · Feb 29, 2024 · US
Coated cathode active material, method for producing coated cathode active material, and all solid state battery
US-2024063388-A1 · Feb 22, 2024 · US
Positive electrode active material for secondary battery, method of preparing the same, and lithium secondary battery including the positive electrode active material
US-11870070-B2 · Jan 9, 2024 · US
Positive electrode active material for non-aqueous electrolyte secondary battery and method for producing the same, and non-aqueous electrolyte secondary battery and method for producing the same
US-11862793-B2 · Jan 2, 2024 · US
Lithium-based solid electrolyte, inorganic solid electrolyte, production method for lithium-based solid electrolyte, modified positive electrode active material, modified negative electrode active material, all-solid state secondary battery, electrode sheet for all-solid state secondary battery, solid electrolyte sheet, and electrode for all-solid state secondary battery
US-2023343997-A1 · Oct 26, 2023 · US
Positive Electrode Active Material for Secondary Battery, Method of Preparing the Same, and Lithium Secondary Battery Including the Positive Electrode Active Material
US-2023327107-A1 · Oct 12, 2023 · US
Oxide solid electrolyte, binder, solid electrolyte layer, active material, electrode, all-solid state secondary battery
US-2023327192-A1 · Oct 12, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B35/121?
- CPC C01B35/121 is the Cooperative Patent Classification code for “of alkali metal.”
- How many patents are filed under CPC C01B35/121 (of alkali metal)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC C01B35/121 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).