Porous body having uniform pores, method for manufacturing same, and method for manufacturing electrolyte membrane
US-2026038859-A1 · Feb 5, 2026 · US
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Inducing porosity into non porous precursors membranes, e.g. leaching, pore stretching
Inducing porosity into non porous precursors membranes, e.g. leaching, pore stretching · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/1079 |
| Official title | {Inducing porosity into non porous precursors membranes, e.g. leaching, pore stretching} |
| Display label | Inducing porosity into non porous precursors membranes, e.g. leaching, pore stretching |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite electrolyte membrane, electrolyte membrane having catalyst layer attached thereto, membrane-electrode composite, solid polymer-type fuel cell, and method for producing composite electrolyte membrane
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Composite electrolyte membrane, electrolyte membrane having catalyst layer attached thereto, membrane-electrode composite, solid polymer-type fuel cell, and method for producing composite electrolyte membrane
US-2022336836-A1 · Oct 20, 2022 · US
Polymer/ceramic hybrid thin film dielectric
US-2022209257-A1 · Jun 30, 2022 · US
Conductor assembly
US-11258078-B2 · Feb 22, 2022 · US
Conductor assembly
US-2021043949-A1 · Feb 11, 2021 · US
Polymer electrolyte membrane, method for fabricating same, and membrane-electrode assembly comprising same
US-10535890-B2 · Jan 14, 2020 · US
Reverse osmosis membranes made with PFSA ionomer and ePTFE
US-10020526-B2 · Jul 10, 2018 · US
Method of fabricating proton-conducting electrolytic membrane
US-9705146-B2 · Jul 11, 2017 · US
Cation exchange membrane, electrolysis vessel using the same and method for producing cation exchange membrane
US-9605352-B2 · Mar 28, 2017 · US
Biaxially-stretched porous membrane
US-2017002156-A1 · Jan 5, 2017 · US
Polymer electrolyte membrane, method for fabricating same, and membrane-electrode assembly comprising same
US-2016260995-A1 · Sep 8, 2016 · US
Method of Fabricating Proton-Conducting Electrolytic Membrane
US-2016190625-A1 · Jun 30, 2016 · US
Method for the production of polymeric membranes having an ordered arrangement of high-aspect-ratio nanopores, by means of heavy ion bombing
US-9376538-B2 · Jun 28, 2016 · US
Laser-perforated porous solid-state films and applications thereof
US-9209443-B2 · Dec 8, 2015 · US
Cation exchange membrane, electrolysis vessel using the same and method for producing cation exchange membrane
US-9133557-B2 · Sep 15, 2015 · US
Process for producing polymeric electrolyte membrane
US-9059448-B2 · Jun 16, 2015 · US
Microporous PVDF films
US-8962214-B2 · Feb 24, 2015 · US