Crystalline Sp-Sp2 Hybridized Carbon Allotropes through Dynamic Covalent Synthesis
US-2024286903-A1 · Aug 29, 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 | C01P2004/24 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 612 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 29 |
| 2017 | 40 |
| 2018 | 45 |
| 2019 | 63 |
| 2020 | 52 |
| 2021 | 76 |
| 2022 | 69 |
| 2023 | 71 |
| 2024 | 64 |
| 2025 | 55 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exfoliation
US-2016340533-A1 · Nov 24, 2016 · US
Nanoplatelet-type zirconium phosphate and method for preparing same
US-9481936-B2 · Nov 1, 2016 · US
Carbon nanosheets
US-9478365-B2 · Oct 25, 2016 · US
Production of graphene oxide
US-2016298244-A1 · Oct 13, 2016 · US
Methods of making non-covalently bonded carbon-titania nanocomposite thin films and applications of the same
US-2016293341-A1 · Oct 6, 2016 · US
Tungsten oxide-type compound having a new crystalline structure and method for preparing same
US-2016264430-A1 · Sep 15, 2016 · US
Platelet-Type Zirconium Phosphate and Method for Preparing Same
US-2016244886-A1 · Aug 25, 2016 · US
Compositions comprising free-standing two-dimensional nanocrystals
US-9416011-B2 · Aug 16, 2016 · US
Sorting two-dimensional nanomaterials by thickness
US-9416010-B2 · Aug 16, 2016 · US
Methods of making non-covalently bonded carbon-titania nanocomposite thin films and applications of the same
US-9393550-B2 · Jul 19, 2016 · US
Oxide semiconductor film and formation method thereof
US-2016149048-A1 · May 26, 2016 · US
Solventhermal synthesis of nanosized two dimensional materials
US-2016122198-A1 · May 5, 2016 · US
Compositions comprising free-standing two-dimensional nanocrystals
US-2016115035-A1 · Apr 28, 2016 · US
Surface-modified, exfoliated nanoplatelets as mesomorphic structures in solutions and polymeric matrices
US-9321919-B2 · Apr 26, 2016 · US
Black pigments comprising graphenic carbon particles
US-2016108278-A1 · Apr 21, 2016 · US
Flaky graphite containing boron and production method therefor
US-2016096964-A1 · Apr 7, 2016 · US
Oxide semiconductor film and formation method thereof
US-9287352-B2 · Mar 15, 2016 · US
Thermoelectric material, thermoelectric element, and module including the same, and preparation method thereof
US-9287484-B2 · Mar 15, 2016 · US
Electrically conductive thin films
US-2015376020-A1 · Dec 31, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01P2004/24?
- CPC C01P2004/24 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01P2004/24 (Chemistry & Metallurgy)?
- Our database includes 612 publications tagged with this CPC code.
- Is patent activity under CPC C01P2004/24 growing?
- Publication counts under this code: 64 in 2024 vs 55 in 2025 (latest complete years).