Thermally expandable microcapsules, foamable resin composition, and foam
US-2025109269-A1 · Apr 3, 2025 · US
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Homopolymers or copolymers of nitriles containing four or more carbon atoms
Homopolymers or copolymers of nitriles containing four or more carbon atoms · 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 | C08L33/22 |
| Official title | Homopolymers or copolymers of nitriles containing four or more carbon atoms |
| Display label | Homopolymers or copolymers of nitriles containing four or more carbon atoms |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dispersant for power storage device positive electrode
US-2024247088-A1 · Jul 25, 2024 · US
Latex composition for dip-forming, method for preparing the same, and dip-formed article formed by the same
US-2024199784-A1 · Jun 20, 2024 · US
Binder composition for electrode of non-aqueous lithium ion secondary battery and method of producing the same, binder solution for electrode of non-aqueous lithium ion secondary battery, slurry composition for electrode of non-aqueous lithium ion secondary battery, electrode for non-aqueous lithium ion secondary battery, and non-aqueous lithium ion secondary battery
US-2024030442-A1 · Jan 25, 2024 · US
Ultraviolet blocking acrylic fibers, ultraviolet blocking fabric and fiber product containing the same, and method for manufacturing the same
US-2023374705-A1 · Nov 23, 2023 · US
Curable resin composition, cured product, diffractive optical element, multilayer diffractive optical element, and method for producing curable resin composition
US-11377545-B2 · Jul 5, 2022 · US
Cyanoacrylate compositions
US-11299652-B2 · Apr 12, 2022 · US
Curable resin composition, cured product, diffractive optical element, multilayer diffractive optical element, and method for producing curable resin composition
US-2020407546-A1 · Dec 31, 2020 · US
Peelable adhesive composition
US-10731058-B2 · Aug 4, 2020 · US
Touch sensitive element and display device including the same
US-10459549-B2 · Oct 29, 2019 · US
Peelable adhesive composition
US-2019031927-A1 · Jan 31, 2019 · US
Peelable adhesive composition
US-10131822-B2 · Nov 20, 2018 · US
Adhesive composition and uses thereof
US-10023774-B2 · Jul 17, 2018 · US
Process for manufacturing fluoroelastomer compositions containing fluoroplastic fibrils
US-9290624-B2 · Mar 22, 2016 · US