Porous graphene member, method for manufacturing same, and apparatus for manufacturing same using the method
US-9834445-B2 · Dec 5, 2017 · US
Single layer graphene
Single layer graphene · 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 | C01B2204/02 |
| Official title | Single layer graphene |
| Display label | Single layer graphene |
| Total patents | 268 |
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 | 23 |
| 2016 | 20 |
| 2017 | 27 |
| 2018 | 27 |
| 2019 | 32 |
| 2020 | 27 |
| 2021 | 35 |
| 2022 | 30 |
| 2023 | 24 |
| 2024 | 13 |
| 2025 | 6 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing graphene
US-9802206-B2 · Oct 31, 2017 · US
Transparent conductive film, heater, touch panel, solar battery, organic EL device, liquid crystal device, and electronic paper
US-9786410-B2 · Oct 10, 2017 · US
System and method for mass production of graphene platelets in arc plasma
US-2017217776-A1 · Aug 3, 2017 · US
Graphene-Reinforced Polymer Matrix Composites
US-2017218141-A1 · Aug 3, 2017 · US
Method for exfoliating carbonaceous materials containing graphite, assisted by a Diels-Alder reaction
US-9718692-B2 · Aug 1, 2017 · US
Graphene ultra-conductive casing wrap
US-2017191498-A1 · Jul 6, 2017 · US
Graphene-ionic liquid composites
US-2017186561-A1 · Jun 29, 2017 · US
Graphene layer, method of forming the same, device including graphene layer and method of manufacturing the device
US-9660036-B2 · May 23, 2017 · US
Process for preparation of nanoporous graphene and graphene quantum dots
US-9637388-B2 · May 2, 2017 · US
Process for the production of two-dimensional nanomaterials
US-2017114450-A1 · Apr 27, 2017 · US
Method for producing nanomaterial-dopant composition composite, nanomaterial-dopant composition composite, and dopant composition
US-2017110646-A1 · Apr 20, 2017 · US
Sorting Two-Dimensional Nanomaterials by Thickness
US-2017096344-A1 · Apr 6, 2017 · US
Graphene transparent conductive electrode
US-2017057827-A1 · Mar 2, 2017 · US
Process and device for forming a graphene layer
US-2017044669-A1 · Feb 16, 2017 · US
Covalently patterned graphene surfaces by a force accelerated cycloaddition reaction
US-2017044099-A1 · Feb 16, 2017 · US
Stable dispersions of single and multiple graphene layers in solution
US-9548494-B2 · Jan 17, 2017 · US
Graphene sheet and process of preparing the same
US-9527742-B2 · Dec 27, 2016 · US
Graphene-ionic liquid composites
US-9484158-B2 · Nov 1, 2016 · US
Process and device for forming a graphene layer
US-9458020-B2 · Oct 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2204/02?
- CPC C01B2204/02 is the Cooperative Patent Classification code for “Single layer graphene.”
- How many patents are filed under CPC C01B2204/02 (Single layer graphene)?
- Our database includes 268 publications tagged with this CPC code.
- Is patent activity under CPC C01B2204/02 growing?
- Publication counts under this code: 13 in 2024 vs 6 in 2025 (latest complete years).