Positive Electrode Active Material for Secondary Battery, Method for Preparing Same, and Lithium Secondary Battery Including Same
US-2025336963-A1 · Oct 30, 2025 · US
Boron carbide
Boron carbide · 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 | C01B32/991 |
| Official title | Boron carbide |
| Display label | Boron carbide |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing boron carbide material
US-12384725-B2 · Aug 12, 2025 · US
Dual Phase High Entropy Boride-Carbide Composites for Extreme Environments
US-2024287657-A1 · Aug 29, 2024 · US
Method of producing boron trichloride
US-12049406-B2 · Jul 30, 2024 · US
Low-temperature method for boron carbide production
US-11912578-B2 · Feb 27, 2024 · US
Cobalt-free positive electrode material, preparation method thereof and lithium ion battery
US-2024055577-A1 · Feb 15, 2024 · US
Method for preparing positive electrode active material for secondary battery, positive electrode active material thus prepared and lithium secondary battery including the same
US-11888153-B2 · Jan 30, 2024 · US
Method of producing boron trichloride
US-11878912-B2 · Jan 23, 2024 · US
Ultrafast flash joule heating synthesis methods and systems for performing same
US-2023357885-A1 · Nov 9, 2023 · US
Chemical synthesis method for fabricating boron carbide powders
US-11465905-B2 · Oct 11, 2022 · US
Method for preparing boron carbide material
US-2022306543-A1 · Sep 29, 2022 · US
Neutron absorber synthesis system
US-2022185679-A1 · Jun 16, 2022 · 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-11362332-B2 · Jun 14, 2022 · US
Hexagonal boron nitride powder, method for producing same, resin composition and resin sheet
US-11305993-B2 · Apr 19, 2022 · US
Method For Preparing Positive Electrode Active Material For Secondary Battery, Positive Electrode Active Material Thus Prepared And Lithium Secondary Battery Including The Same
US-2021391571-A1 · Dec 16, 2021 · US
Method for preparing positive electrode active material for secondary battery, positive electrode active material thus prepared and lithium secondary battery including the same
US-11189827-B2 · Nov 30, 2021 · US
Method of producing boron trichloride
US-2021246040-A1 · Aug 12, 2021 · US
Low-temperature method for boron carbide production
US-2021246035-A1 · Aug 12, 2021 · US
Method of producing boron trichloride
US-2021230010-A1 · Jul 29, 2021 · US
P-type semiconductor film containing heterofullerene, and electronic device
US-11031558-B2 · Jun 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/991?
- CPC C01B32/991 is the Cooperative Patent Classification code for “Boron carbide.”
- How many patents are filed under CPC C01B32/991 (Boron carbide)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/991 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).