Pristine graphene based biosensor for biomarker detection and related core particles, materials compositions methods and systems
US-12461102-B2 · Nov 4, 2025 · US
Solid content in solvents
Solid content in solvents · 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 | C01B2204/28 |
| Official title | Solid content in solvents |
| Display label | Solid content in solvents |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon composite material and dispersion liquid
US-2025223172-A1 · Jul 10, 2025 · US
Carbon material dispersion
US-12237097-B2 · Feb 25, 2025 · US
Method and apparatus for monitoring production of a material in a liquid dispersion in real time
US-12117390-B2 · Oct 15, 2024 · US
Graphene coated fabric, method of preparing graphene coated fabric, and applications thereof
US-2024167218-A1 · May 23, 2024 · US
Graphene-based dispersion, method(s) and applications thereof
US-2024158642-A1 · May 16, 2024 · US
Blended graphene dispersions
US-2024132358-A1 · Apr 25, 2024 · US
Pristine graphene based biosensor for biomarker detection and related core particles, materials compositions methods and systems
US-2023258640-A1 · Aug 17, 2023 · US
Carbon material dispersion
US-2023212343-A1 · Jul 6, 2023 · US
Water-redispersible graphene powder
US-2023012274-A1 · Jan 12, 2023 · US
Method and apparatus for monitoring production of a material in a liquid dispersion in real time
US-2022260483-A1 · Aug 18, 2022 · US
Graphene dispersion and method for preparing the same
US-2021371618-A1 · Dec 2, 2021 · US
Preparation method of graphene dispersion
US-2021340381-A1 · Nov 4, 2021 · US
Graphene dispersion
US-2021340382-A1 · Nov 4, 2021 · US
Air flow generating device, graphene dispersion, and preparation method thereof
US-11142650-B2 · Oct 12, 2021 · US
Production of carbon-based oxide and reduced carbon-based oxide on a large scale
US-11097951-B2 · Aug 24, 2021 · US
Graphene dispersion, method for producing electrode paste, and method for producing electrode
US-10734652-B2 · Aug 4, 2020 · US
Surface-treated graphene, surface-treated graphene/organic solvent dispersion liquid, surface-treated graphene/electrode active material composite particles and electrode paste
US-10714754-B2 · Jul 14, 2020 · US
Bulk direct gap MoS2 by plasma induced layer decoupling
US-10680403-B2 · Jun 9, 2020 · US
Graphene structure, method of producing graphene and lithium-ion battery electrode including graphene
US-2019221849-A1 · Jul 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2204/28?
- CPC C01B2204/28 is the Cooperative Patent Classification code for “Solid content in solvents.”
- How many patents are filed under CPC C01B2204/28 (Solid content in solvents)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C01B2204/28 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).