2-dimensional microporous graphene and method for preparing the same
US-12522504-B2 · Jan 13, 2026 · 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 | C01B2204/20 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-assembled borophene/graphene nanoribbon mixed-dimensional heterostructures and method of synthesizing same
US-2025282622-A1 · Sep 11, 2025 · US
Graphitic antiviral filtration element and filtration devices containing same
US-12357043-B2 · Jul 15, 2025 · US
Self-assembled borophene/graphene nanoribbon mixed-dimensional heterostructures and method of synthesizing same
US-12116279-B2 · Oct 15, 2024 · US
Vertical Branched Graphene
US-2024337030-A1 · Oct 10, 2024 · US
Photothermal evaporation material integrating light absorption and thermal insulation, preparation application thereof, use thereof
US-12053714-B2 · Aug 6, 2024 · US
Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion
US-12054617-B2 · Aug 6, 2024 · US
Vertical branched graphene
US-12049702-B2 · Jul 30, 2024 · US
Graphene coated fabric, method of preparing graphene coated fabric, and applications thereof
US-2024167218-A1 · May 23, 2024 · US
Wrinkled graphene substrate and method for manufacturing the same
US-11932542-B2 · Mar 19, 2024 · US
Bulk synthesis of Janus nanomaterials
US-11708272-B2 · Jul 25, 2023 · US
Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion
US-2023127728-A1 · Apr 27, 2023 · US
Self-assembled borophene/graphene nanoribbon mixed-dimensional heterostructures and method of synthesizing same
US-2023008590-A1 · Jan 12, 2023 · US
Bulk Synthesis of Janus Nanomaterials
US-2023002234-A1 · Jan 5, 2023 · US
2-dimensional microporous graphene and method for preparing the same
US-2022402762-A1 · Dec 22, 2022 · US
Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion
US-11518889-B2 · Dec 6, 2022 · US
Method of using chemical reaction transparency of graphene
US-11492261-B2 · Nov 8, 2022 · US
Bulk synthesis of Janus nanomaterials
US-11472709-B2 · Oct 18, 2022 · US
Wrinkled graphene substrate and method for manufacturing the same
US-2022242736-A1 · Aug 4, 2022 · US
Scalable fabrication of pristine holey graphene nanoplatelets via dry microwave irradiation
US-11377356-B2 · Jul 5, 2022 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2204/20?
- CPC C01B2204/20 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B2204/20 (Chemistry & Metallurgy)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C01B2204/20 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).