Method for preparation of plasma-treated nanofiber-based hydrogen gas sensing material
US-12258703-B2 · Mar 25, 2025 · US
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from polymers of cyclic compounds with one carbon-to-carbon double bond in the side chain
from polymers of cyclic compounds with one carbon-to-carbon double bond in the side chain · 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 | D01F6/20 |
| Official title | from polymers of cyclic compounds with one carbon-to-carbon double bond in the side chain |
| Display label | from polymers of cyclic compounds with one carbon-to-carbon double bond in the side chain |
| Total patents | 24 |
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 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2020 | 6 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fabrication of multifunctional BN fine fibers by force spinning method
US-11859315-B1 · Jan 2, 2024 · US
Gas sensor using metal oxide semiconducting nanofiber sensitized by alkali or alkaline earth metal and noble metal catalysts, and manufacturing method thereof
US-11673122-B2 · Jun 13, 2023 · US
Method for preparation of plasma-treated nanofiber-based hydrogen gas sensing material
US-2023116126-A1 · Apr 13, 2023 · US
Method for processing boron nitride nanotube and liquid crystal composition and boron nitride nanotube fiber therefrom
US-2023085533-A1 · Mar 16, 2023 · US
Article with ceramic barrier coating and layer of networked ceramic nanofibers
US-11591918-B2 · Feb 28, 2023 · US
Polymer-derived ceramic fibers and methods of preparing the same
US-2022340494-A1 · Oct 27, 2022 · US
Fibers made from soluble polymers
US-11479882-B2 · Oct 25, 2022 · US
Plastic optical fiber manufacturing method
US-2022206213-A1 · Jun 30, 2022 · US
Gas sensor using metal oxide semiconducting nanofiber sensitized by alkali or alkaline earth metal and noble metal catalysts, and manufacturing method thereof
US-2022023838-A1 · Jan 27, 2022 · US
An enzyme delivery system and methods relating thereto
US-2020270549-A1 · Aug 27, 2020 · US
Article with ceramic barrier coating and layer of networked ceramic nanofibers
US-2020256200-A1 · Aug 13, 2020 · US
Fibers made from soluble polymers
US-2020240046-A1 · Jul 30, 2020 · US
Scalable and facile in situ synthesis of nanoparticles resulting in decorated multifunctional fibers
US-2020165746-A1 · May 28, 2020 · US
Lithium-air battery catalyst having 1D polycrystalline tube structure of ruthenium oxide-manganese oxide complex, and manufacturing method thereof
US-10644326-B2 · May 5, 2020 · US
Fibers made from soluble polymers
US-10640891-B2 · May 5, 2020 · US
Lithium-air battery catalyst having 1d polycrystalline tube structure of ruthenium oxide - manganese oxide complex, and manufacturing method thereof
US-2017331120-A1 · Nov 16, 2017 · US
Metal-organic framework composites, and methods of synthesis thereof
US-2017145599-A1 · May 25, 2017 · US
Fibers made from soluble polymers
US-2016333501-A1 · Nov 17, 2016 · US
Fibers made from soluble polymers
US-9435056-B2 · Sep 6, 2016 · US