Preparation method of graphene dispersion
US-2021340381-A1 · Nov 4, 2021 · US
Intercalation
Intercalation · 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 | C01B32/22 |
| Official title | Intercalation |
| Display label | Intercalation |
| Total patents | 78 |
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 | 8 |
| 2016 | 7 |
| 2017 | 11 |
| 2018 | 11 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 13 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Graphene dispersion
US-2021340382-A1 · Nov 4, 2021 · US
Method of preparing soft carbon material for high-voltage supercapacitor and asymmetrical supercapacitor
US-2021343485-A1 · Nov 4, 2021 · US
Air flow generating device, graphene dispersion, and preparation method thereof
US-11142650-B2 · Oct 12, 2021 · US
Method of producing thin plate-shaped graphite product, flaky graphite, and method of producing flaky graphite
US-2021309524-A1 · Oct 7, 2021 · US
Method for producing carbon material complex
US-2021238041-A1 · Aug 5, 2021 · US
Composite cathode active material, and cathode and lithium battery comprising composite cathode active material
US-11075367-B2 · Jul 27, 2021 · US
Reactor for continuous production of graphene and 2d inorganic compounds
US-2021113981-A1 · Apr 22, 2021 · US
Graphite material for negative electrode of lithium ion secondary cell and method for producing the same
US-10950860-B2 · Mar 16, 2021 · US
Layered materials and methods for their processing
US-10906814-B2 · Feb 2, 2021 · US
Composite body, electrode material for electricity storage devices, and electricity storage device
US-2021028442-A1 · Jan 28, 2021 · US
Methods involving graphene and functionalized graphene
US-2020270135-A1 · Aug 27, 2020 · US
Composition for multi-component composite intercalation, method of preparing a low-temperature expandable graphite system and method of profile control and water shutoff in deep oil reservoir
US-10745281-B1 · Aug 18, 2020 · US
Sulfur-carbon material composite body, positive electrode material for lithium sulfur secondary batteries, and lithium sulfur secondary battery
US-2020176763-A1 · Jun 4, 2020 · US
Method for producing electroconductive film
US-2020140638-A1 · May 7, 2020 · US
Composite cathode active material, and cathode and lithium battery comprising composite cathode active material
US-2020058925-A1 · Feb 20, 2020 · US
Method for producing synthetic diamonds
US-10556211-B2 · Feb 11, 2020 · US
Production of graphene
US-10549999-B2 · Feb 4, 2020 · US
Graphene foam laminate-based sealing materials
US-2020010748-A1 · Jan 9, 2020 · US
Production of graphene oxide
US-10415144-B2 · Sep 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/22?
- CPC C01B32/22 is the Cooperative Patent Classification code for “Intercalation.”
- How many patents are filed under CPC C01B32/22 (Intercalation)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/22 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).