Polycationic microfibers and methods of using the same
US-12447464-B2 · Oct 21, 2025 · US
comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent
comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01F6/42 |
| Official title | comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent |
| Display label | comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Artificial hair fibers and hairpiece product
US-2025101638-A1 · Mar 27, 2025 · US
Fibre forming process
US-12257793-B2 · Mar 25, 2025 · US
Systems and methods for manufacturing bulked continuous filament
US-12070886-B2 · Aug 27, 2024 · US
Method for manufacturing recycled polymer
US-11780145-B2 · Oct 10, 2023 · US
Fibers for artificial hair, method for producing same, and headdress article
US-2023270196-A1 · Aug 31, 2023 · US
Fibers for artificial hair and headdress product
US-2023263253-A1 · Aug 24, 2023 · US
Fiber comprising thermoplastic elastomer and silica nanoparticle, stretchable hydrophobic fiber article prepared therewith, and method for preparing the same
US-11713543-B2 · Aug 1, 2023 · US
Fiber forming compositions, fibers and methods for production
US-11608590-B2 · Mar 21, 2023 · US
Nanofiber for air filter comprising random copolymer having zwitterionic functional group and method for manufacturing same
US-2023059080-A1 · Feb 23, 2023 · US
Metal deposition-based strechable electrode using electrospun mat and manufacturing method therefor
US-2023043933-A1 · Feb 9, 2023 · US
Fibers made from soluble polymers
US-11479882-B2 · Oct 25, 2022 · US
Thermoresponsive copolymer, nanofiber structure comprising the same, and method for preparing nanofiber structure
US-2022259353-A1 · Aug 18, 2022 · US
Fibre forming process
US-2022194034-A1 · Jun 23, 2022 · US
Systems and methods for manufacturing bulked continuous filament
US-2022176607-A1 · Jun 9, 2022 · US
Systems and methods for manufacturing bulked continuous filament
US-11292174-B2 · Apr 5, 2022 · US
Filament for material extrusion 3D printer molding and production method of molded body
US-11268214-B2 · Mar 8, 2022 · US
Multi-material stretchable optical, electronic and optoelectronic fibers and ribbons composites via thermal drawing
US-11141942-B2 · Oct 12, 2021 · US
Polycationic microfibers and methods of using the same
US-2021129110-A1 · May 6, 2021 · US
Nanoparticle-infused ABS filament for 3D-printed materials and uses for neutron detection and discrimination
US-10941274-B1 · Mar 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F6/42?
- CPC D01F6/42 is the Cooperative Patent Classification code for “comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent.”
- How many patents are filed under CPC D01F6/42 (comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC D01F6/42 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).