Near infrared and red light absorbing composite resin particles
US-2026071027-A1 · Mar 12, 2026 · US
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Hydrazones; Semicarbazones
Hydrazones; Semicarbazones · 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 | C08K5/30 |
| Official title | Hydrazones; Semicarbazones |
| Display label | Hydrazones; Semicarbazones |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rubber composition
US-2025257197-A1 · Aug 14, 2025 · US
High voltage component for an electric vehicle
US-12368216-B2 · Jul 22, 2025 · US
Rubber composition, method for preparing same, and tire for construction vehicle
US-2023073273-A1 · Mar 9, 2023 · US
High Voltage Component for an Electric Vehicle
US-2022336931-A1 · Oct 20, 2022 · US
Elastomer composition for actuator, actuator member, and actuator element
US-2022289959-A1 · Sep 15, 2022 · US
Binder composition for electrochemical device, slurry composition for electrochemical device functional layer, slurry composition for electrochemical device adhesive layer, and composite membrane
US-11411220-B2 · Aug 9, 2022 · US
Additive for rubber, rubber composition, and tire using the same
US-11339272-B2 · May 24, 2022 · US
Additive for rubber, rubber composition, and tire using the same
US-2021108048-A1 · Apr 15, 2021 · US
Fluoroelastomer compositions
US-10906999-B2 · Feb 2, 2021 · US
Binder composition for electrochemical device, slurry composition for electrochemical device functional layer, slurry composition for electrochemical device adhesive layer, and composite membrane
US-2020220174-A1 · Jul 9, 2020 · US
Curable fluoroelastomer composition
US-10604607-B2 · Mar 31, 2020 · US
Linear polarizing layer, circular polarizing layer, flexible display apparatus, and preparation methods thereof
US-10505151-B2 · Dec 10, 2019 · US
Tire rubber composition and manufacturing method therefor
US-10501601-B2 · Dec 10, 2019 · US
Curable fluoroelastomer composition
US-2019048112-A1 · Feb 14, 2019 · US
Fluoroelastomer compositions
US-2018371134-A1 · Dec 27, 2018 · US
Linear polarizing layer, circular polarizing layer, flexible display apparatus, and preparation methods thereof
US-2018212200-A1 · Jul 26, 2018 · US
Aqueous cross-linking compositions and methods
US-9790374-B2 · Oct 17, 2017 · US
Pigment dispersion and toner
US-9618867-B2 · Apr 11, 2017 · US
Rubber composition, conveyor belt rubber composition, conveyor belt, and belt conveyor device
US-9617404-B2 · Apr 11, 2017 · US