Graft polyarylether copolymers
US-2026085142-A1 · Mar 26, 2026 · US
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Polyaryletherketone
Polyaryletherketone · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D71/5221 |
| Official title | {Polyaryletherketone} |
| Display label | Polyaryletherketone |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin wafer technologies with solution processable ionomers
US-12515177-B2 · Jan 6, 2026 · US
Direct coating of anion exchange membranes with catalytically active material
US-2025332550-A1 · Oct 30, 2025 · US
Polyarylene ether
US-12091503-B2 · Sep 17, 2024 · US
Polymer electrolyte membrane, block copolymer, polymer electrolyte material, polymer electrolyte molded body, electrolyte membrane with catalyst layer, membrane electrode composite, solid polymer fuel cell, and water electrolytic hydrogen generator
US-2024178424-A1 · May 30, 2024 · US
Anionic membranes incorporating functional additives
US-11969722-B2 · Apr 30, 2024 · US
Microporous articles and corresponding formation methods
US-2023416486-A1 · Dec 28, 2023 · US
Resin wafer technologies with solution processable ionomers
US-2023077400-A1 · Mar 16, 2023 · US
Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof
US-2022267587-A1 · Aug 25, 2022 · US
Process for preparing aldehydes and separation of the catalyst system by membrane separation
US-11396488-B2 · Jul 26, 2022 · US
Process for preparing an ester by alkoxycarbonylation
US-11365171-B2 · Jun 21, 2022 · US
Process for preparing aldehydes and separation of the catalyst system by membrane separation
US-2022033337-A1 · Feb 3, 2022 · US
Polyarylene ether
US-2022033583-A1 · Feb 3, 2022 · US
Dead end membrane gas separation process
US-11007484-B2 · May 18, 2021 · US
Anionic membranes incorporating functional additives
US-2020406248-A1 · Dec 31, 2020 · US
Process for preparing an ester by alkoxycarbonylation
US-2020392064-A1 · Dec 17, 2020 · US
Ion exchanging membrane, method for manufacturing the same and energy storage system comprising the same
US-10559840-B2 · Feb 11, 2020 · US
Ion exchanging membrane, method for manufacturing the same and energy storage system comprising the same
US-2019363385-A1 · Nov 28, 2019 · US
Porous article comprising a polymer and an additive, processes for their preparation and use thereof
US-2019241712-A1 · Aug 8, 2019 · US
Dead end membrane gas separation process
US-2019060835-A1 · Feb 28, 2019 · US