Lower surface area carbon black and elastomeric compositions comprising same
US-2024052171-A1 · Feb 15, 2024 · US
Carbon black
Carbon black · 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 | C09C1/48 |
| Official title | Carbon black |
| Display label | Carbon black |
| Total patents | 300 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 29 |
| 2017 | 31 |
| 2018 | 25 |
| 2019 | 33 |
| 2020 | 45 |
| 2021 | 20 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 33 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon black
US-9522990-B2 · Dec 20, 2016 · US
Process for the production of carbon black from at least one FCC slurry cut, comprising a specific hydrotreatment
US-9512319-B2 · Dec 6, 2016 · US
A conductive carbon powder, a method for the manufacturing thereof and use thereof
US-2016332882-A1 · Nov 17, 2016 · US
Development of a renewable carbon-based bio-modifier for asphalt cement
US-9481793-B2 · Nov 1, 2016 · US
Conductive film, fuel cell-use gas diffusion layer, fuel cell-use catalyst layer, fuel cell-use electrode, fuel cell-use membrane-electrode assembly, and fuel cell
US-2016315331-A1 · Oct 27, 2016 · US
Electroconductive carbon, electrode material containing said carbon, electrode using said electrode material, and power storage device provided with said electrode
US-2016315322-A1 · Oct 27, 2016 · US
Method for preparation of a dual phase filler for elastomers
US-2016304720-A1 · Oct 20, 2016 · US
Carbon nanostructure preblends and their applications
US-2016251534-A1 · Sep 1, 2016 · US
Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner
US-2016251465-A1 · Sep 1, 2016 · US
Pyrolytic carbon black composite and method of making the same
US-2016254543-A1 · Sep 1, 2016 · US
Silicon carbide powder production method
US-9399583-B2 · Jul 26, 2016 · US
Filled polymeric materials with modified filler particles
US-9388295-B2 · Jul 12, 2016 · US
High structure carbon blacks
US-9388300-B2 · Jul 12, 2016 · US
Polymer composites with uv shielding strength
US-2016194515-A1 · Jul 7, 2016 · US
Highly dielectric elastomer molded body and electronic component material for high frequency use
US-9376572-B2 · Jun 28, 2016 · US
Vinyl chloride based nanocomposite composition and method of preparing the vinyl chloride based nanocomposite
US-2016168300-A1 · Jun 16, 2016 · US
Lead-acid batteries and pastes therefor
US-9368787-B2 · Jun 14, 2016 · US
Process for manufacturing coated filler particles
US-9365724-B2 · Jun 14, 2016 · US
Carbon black in effect pigments
US-2016145438-A1 · May 26, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C1/48?
- CPC C09C1/48 is the Cooperative Patent Classification code for “Carbon black.”
- How many patents are filed under CPC C09C1/48 (Carbon black)?
- Our database includes 300 publications tagged with this CPC code.
- Is patent activity under CPC C09C1/48 growing?
- Publication counts under this code: 33 in 2024 vs 16 in 2025 (latest complete years).