Crosslinked ion-exchange materials, related methods, and related articles
US-2024050906-A1 · Feb 15, 2024 · US
obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231
obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231 · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08J5/2243 |
| Official title | {obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231} |
| Display label | obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231 |
| Total patents | 172 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 14 |
| 2017 | 22 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 18 |
| 2021 | 16 |
| 2022 | 14 |
| 2023 | 9 |
| 2024 | 24 |
| 2025 | 7 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite ion exchange membrane and method of making same
US-2018251616-A1 · Sep 6, 2018 · US
Protein separations using an acrylamide containing filter
US-9951101-B2 · Apr 24, 2018 · US
Curable compositions and membranes
US-9944765-B2 · Apr 17, 2018 · US
Electrochromic element with improved electrolyte layer
US-2018088426-A1 · Mar 29, 2018 · US
Proton exchange material and method therefor
US-9923224-B2 · Mar 20, 2018 · US
Anion-exchange membrane, and electrochemical element and electrochemical device having same
US-2018050336-A1 · Feb 22, 2018 · US
Ion exchange membrane, method for manufacturing same, module, and device
US-9873116-B2 · Jan 23, 2018 · US
Crosslinked copolymer and ionic exchange film
US-9834623-B1 · Dec 5, 2017 · US
Curable composition and cured polymer product
US-9795955-B2 · Oct 24, 2017 · US
Ion exchange membrane and method for manufacturing the same
US-9790338-B2 · Oct 17, 2017 · US
Curable Compositions and Membranes
US-2017246594-A1 · Aug 31, 2017 · US
Ion exchange membranes
US-9731247-B2 · Aug 15, 2017 · US
Anion exchange membranes and polymers for use in same
US-2017203289-A1 · Jul 20, 2017 · US
Anion exchange electrolyte membrane, membrane-electrode assembly for fuel cell including the same, and fuel cell including the same
US-9692072-B2 · Jun 27, 2017 · US
Partially Quaternized Styrene-Based Copolymer, Ionic-Conductivity Imparter, Catalytic Electrode Layer, Membrane/Electrode Assembly and Process for Producing Same, Gas Diffusion Electrode and Process for Producing Same, and Fuel Cell of Anion Exchange Membrane Type
US-2017174800-A1 · Jun 22, 2017 · US
Curable compositions and membranes
US-9675940-B2 · Jun 13, 2017 · US
Cation-exchange chromatographic support and method for using same
US-2017145050-A1 · May 25, 2017 · US
Ion exchange membrane, method for manufacturing same, module, and device
US-2017128931-A1 · May 11, 2017 · US
Block copolymers having amine or phosphine functionalized end blocks
US-2017107332-A1 · Apr 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J5/2243?
- CPC C08J5/2243 is the Cooperative Patent Classification code for “obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231.”
- How many patents are filed under CPC C08J5/2243 (obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231)?
- Our database includes 172 publications tagged with this CPC code.
- Is patent activity under CPC C08J5/2243 growing?
- Publication counts under this code: 24 in 2024 vs 7 in 2025 (latest complete years).