Functional polymer membrane and method of producing the same
US-9850147-B2 · Dec 26, 2017 · US
Use of radiation
Use of radiation · 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 | B01D2323/34 |
| Official title | Use of radiation |
| Display label | Use of radiation |
| Total patents | 189 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 25 |
| 2017 | 21 |
| 2018 | 16 |
| 2019 | 13 |
| 2020 | 14 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 16 |
| 2024 | 16 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthetic membranes and methods of use thereof
US-2017312698-A1 · Nov 2, 2017 · US
Gas Separation Membranes with Intermixed Layers
US-2017296981-A1 · Oct 19, 2017 · US
Healing of thin graphenic-based membranes via charged particle irradiation
US-2017296982-A1 · Oct 19, 2017 · US
Gas separation membranes with intermixed layers
US-9731248-B2 · Aug 15, 2017 · US
Curable composition, functional polymer hardened product, stack or device comprising functional polymer membrane, amide compound, and manufacturing method thereof
US-2017152331-A1 · Jun 1, 2017 · US
Asymmetric articles with a porous substrate and a polymeric coating extending into the substrate and methods of making the same
US-2017144111-A1 · May 25, 2017 · US
Process for making a monomer solution for making cation exchange membranes
US-9611368-B2 · Apr 4, 2017 · US
Aromatic polysulfone resin and membranes thereof
US-9587112-B2 · Mar 7, 2017 · US
Process for preparing membranes
US-9586182-B2 · Mar 7, 2017 · US
Devices including a membrane formed from a curable composition
US-9539548-B2 · Jan 10, 2017 · US
Ion-exchange polymer and production method therefor, electrolyte membrane and production method therefor, and composition for producing ion-exchange polymer
US-2016367980-A1 · Dec 22, 2016 · US
Functional polymer membrane and method for producing same
US-2016369073-A1 · Dec 22, 2016 · US
Treated mixed matrix polymeric membranes
US-9522364-B2 · Dec 20, 2016 · US
Nanoporous membranes and methods for making the same
US-9505192-B2 · Nov 29, 2016 · US
Melt processable poly(vinyl alcohol) blends and poly(vinyl alcohol) based membranes
US-9486746-B2 · Nov 8, 2016 · US
Composite Membrane
US-2016317978-A1 · Nov 3, 2016 · US
Ultrathin, graphene-based membranes for water treatment and methods of their formation and use
US-2016310908-A1 · Oct 27, 2016 · US
Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same
US-9452392-B2 · Sep 27, 2016 · US
Fabrication and modification of polymer membranes using ink-jet printing
US-2016263530-A1 · Sep 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2323/34?
- CPC B01D2323/34 is the Cooperative Patent Classification code for “Use of radiation.”
- How many patents are filed under CPC B01D2323/34 (Use of radiation)?
- Our database includes 189 publications tagged with this CPC code.
- Is patent activity under CPC B01D2323/34 growing?
- Publication counts under this code: 16 in 2024 vs 13 in 2025 (latest complete years).