Polyimide resin composition
US-12371532-B2 · Jul 29, 2025 · US
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Carbon nanohorns or nanobells
Carbon nanohorns or nanobells · 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 | C08K3/044 |
| Official title | {Carbon nanohorns or nanobells} |
| Display label | Carbon nanohorns or nanobells |
| Total patents | 16 |
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 | 1 |
| 2016 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyimide resin composition
US-2022145010-A1 · May 12, 2022 · US
Stretch-formed product
US-2022064401-A1 · Mar 3, 2022 · US
Spray-coating method with particle alignment control
US-11149154-B2 · Oct 19, 2021 · US
Thermoplastic resin foamed particles
US-RE48098-E · Jul 14, 2020 · US
Nanocarbon composite material and method for manufacturing same
US-10703633-B2 · Jul 7, 2020 · US
Composite resinous material particles and process for producing same
US-10435519-B2 · Oct 8, 2019 · US
Actuator element using carbon electrode
US-10367429-B2 · Jul 30, 2019 · US
Nanocarbon polymer actuator
US-2019010329-A1 · Jan 10, 2019 · US
Thermoplastic resin foamed particles
US-10106664-B2 · Oct 23, 2018 · US
Nanocarbon composite material and method for manufacturing same
US-2018162735-A1 · Jun 14, 2018 · US
Thermoplastic resin foamed particles
US-2018163010-A1 · Jun 14, 2018 · US
Spray-coating method with particle alignment control
US-2018002550-A1 · Jan 4, 2018 · US
Carbon material dispersed film formation composition
US-2016160079-A1 · Jun 9, 2016 · US
Conductive resin composition for microwave heating
US-2016133350-A1 · May 12, 2016 · US
Actuator element using carbon electrode
US-2015061457-A1 · Mar 5, 2015 · US