Polyphenylene ether melt extrusion formed body and method for producing polyphenylene ether melt extrusion formed body
US-2022380535-A1 · Dec 1, 2022 · US
from polyethers
from polyethers · 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 | D01F6/66 |
| Official title | from polyethers |
| Display label | from polyethers |
| Total patents | 77 |
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 | 8 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 15 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amorphous epoxy fiber, fiber structure, and molded body
US-2022363810-A1 · Nov 17, 2022 · US
Fibers, prepreg materials, compositions, composite articles, and methods of producing composite articles
US-2022235191-A1 · Jul 28, 2022 · US
Polymer, fiber and textile
US-2022205142-A1 · Jun 30, 2022 · US
Process for the manufacture of polyetherketoneketone fiber
US-11326277-B2 · May 10, 2022 · US
Polyacetal fibers, method for producing same and material for drawing
US-2021388534-A1 · Dec 16, 2021 · US
Composite fiber electrodes and applications of same
US-2021384493-A1 · Dec 9, 2021 · US
Continuous long-fiber non-woven fabric, layered body, and composite material and production method therefor
US-2021381145-A1 · Dec 9, 2021 · US
Mucoadhesive Patch and Uses Thereof
US-2021353529-A1 · Nov 18, 2021 · US
Reformable Resin Filaments and Materials Formed Therewith
US-2021310157-A1 · Oct 7, 2021 · US
Production of micro- and nano-fibers by continuous microlayer coextrusion
US-11111606-B2 · Sep 7, 2021 · US
Performance enhancing additives for fiber formation and polysulfone fibers
US-RE48703-E · Aug 24, 2021 · US
Scalable method of producing polymer-metal nanocomposite materials
US-2021222329-A1 · Jul 22, 2021 · US
Resin powder having pillar shape and specific circularity for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object
US-11066758-B2 · Jul 20, 2021 · US
Fibrous Elements Comprising Polyethylene Oxide
US-2021214861-A1 · Jul 15, 2021 · US
Nanofiber spinning apparatus and method
US-11001943-B1 · May 11, 2021 · US
Meltblown nonwoven fabric
US-2021102321-A1 · Apr 8, 2021 · US
Fibrous elements comprising polyethylene oxide
US-10968537-B2 · Apr 6, 2021 · US
Graphene-Based Liquid Crystal Dispersion Liquid, Liquid Crystal Composite Elastic Fiber and Method for Preparing Same
US-2021047496-A1 · Feb 18, 2021 · US
3D polymer nanofiber membrane composed of 1D individual polymer nanofibers which are quasi-aligned and cross-laminated like grid structure with functions of controlling pore distribution and size, and manufacturing method thereof
US-10913032-B2 · Feb 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F6/66?
- CPC D01F6/66 is the Cooperative Patent Classification code for “from polyethers.”
- How many patents are filed under CPC D01F6/66 (from polyethers)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC D01F6/66 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).