Anion exchange polymers and membranes for electrolysis
US-12503548-B2 · Dec 23, 2025 · US
Organic material
Organic material · 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 | B01J41/09 |
| Official title | Organic material |
| Display label | Organic material |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separation media, devices and applications thereof
US-12434232-B2 · Oct 7, 2025 · US
Monovalent anion selective ion exchange membrane
US-12410290-B2 · Sep 9, 2025 · US
Multi-dimension, multi-mode chromatography methods for producing high purity, high yield lithium, cobalt, nickel, and manganese salts from waste lithium-ion batteries and other feedstocks
US-2025219178-A1 · Jul 3, 2025 · US
Sorption agent, method of making a sorption agent and barrier system
US-12330136-B2 · Jun 17, 2025 · US
Separation media, devices and applications thereof
US-2025050324-A1 · Feb 13, 2025 · US
Anion exchange ionomer with a poyarylene backbone and anion exchange membrane incorporating same
US-12180346-B2 · Dec 31, 2024 · US
Separation media, devices and applications thereof
US-12128394-B2 · Oct 29, 2024 · US
Platinum group metal supported catalyst column and method for forming carbon-carbon bond
US-2024198324-A1 · Jun 20, 2024 · US
Stereolithography additive manufacturing of anion exchange membrane resin
US-2024173677-A1 · May 30, 2024 · US
Weak base anion resin polymers comprising alkylamine segments and cross-linking segments, and their methods of use in ion exchange
US-2024150511-A1 · May 9, 2024 · US
Anionic membranes incorporating functional additives
US-11969722-B2 · Apr 30, 2024 · US
Ion exchange polymers and ion exchange membranes incorporating same
US-11826748-B2 · Nov 28, 2023 · US
Anion exchange polymers and membranes for electrolysis
US-2023365744-A1 · Nov 16, 2023 · US
Weak ion exchange particulate medium prepared from phenol-containing organic matter for anions contained in aqueous solutions
US-11684912-B2 · Jun 27, 2023 · US
Systems for removing perchlorate from water
US-11649177-B2 · May 16, 2023 · US
Poly(phenylene) with high ion selectivity for use in anion exchange membranes
US-11549011-B2 · Jan 10, 2023 · US
Metal organic framework membranes
US-11471874-B2 · Oct 18, 2022 · US
Monovalent anion selective ion exchange membrane
US-2022298318-A1 · Sep 22, 2022 · US
Systems For Removing Perchlorate from Water
US-2022250946-A1 · Aug 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J41/09?
- CPC B01J41/09 is the Cooperative Patent Classification code for “Organic material.”
- How many patents are filed under CPC B01J41/09 (Organic material)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC B01J41/09 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).