Method for producing composite material
US-2021269650-A1 · Sep 2, 2021 · 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 | C09C1/46 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 88 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 10 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Graphite composition, masterbatch comprising same, and graphite composite material embodied thereby
US-2021188648-A1 · Jun 24, 2021 · US
Silica-Graphenic Carbon Composite Particles and Elastomeric Materials Including Such Particles
US-2021095131-A1 · Apr 1, 2021 · US
Pigments
US-2021087403-A1 · Mar 25, 2021 · US
Compositions containing carbon black and graphenes additives, related electrodes and related batteries
US-2021066708-A1 · Mar 4, 2021 · US
Production system and method for generating hydrogen gas and carbon products
US-2021047180-A1 · Feb 18, 2021 · US
Positive Electrode Active Material, Method of Preparing the Same, Positive Electrode Including the Positive Electrode Active Material, and Secondary Battery Including the Positive Electrode
US-2021013511-A1 · Jan 14, 2021 · US
Method for producing carbon black using an extender fluid
US-10829642-B2 · Nov 10, 2020 · US
Roofing membranes with expandable graphite as flame retardant
US-10829938-B2 · Nov 10, 2020 · US
Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion
US-2020270463-A1 · Aug 27, 2020 · US
Waveguide having light shielding film formed thereon and manufacturing method therefor
US-10739515-B2 · Aug 11, 2020 · US
Composite materials comprising chemically linked fluorographite-derived nanoparticles
US-2020198975-A1 · Jun 25, 2020 · US
Compositions containing conductive additives, related electrodes and related batteries
US-2020056050-A1 · Feb 20, 2020 · US
Carbon nanostructure preblends and their applications
US-2019322818-A1 · Oct 24, 2019 · US
Carbon material, resin composite material, and method for producing said carbon material and resin composite material
US-10435533-B2 · Oct 8, 2019 · US
Waveguide Having Light Shielding And Manufacturing Method For The Same
US-2019285794-A1 · Sep 19, 2019 · US
Resin composite material and method for producing resin composite material
US-10377838-B2 · Aug 13, 2019 · US
Functionalized graphene, preparation method thereof, and polyorganosiloxane
US-2019233702-A1 · Aug 1, 2019 · US
Carbon nanostructure preblends and their applications
US-10308773-B2 · Jun 4, 2019 · US
Graphene-Graphane Printed Wiring Board
US-2019116663-A1 · Apr 18, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C1/46?
- CPC C09C1/46 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C09C1/46 (Chemistry & Metallurgy)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC C09C1/46 growing?
- Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).