Acryloyloxy-terminated polydimethylsiloxane (ac-pdms)-based thin-film composite (tfc) membrane, and preparation method and use thereof
US-2023398504-A1 · Dec 14, 2023 · US
involving radiation
involving 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 | B01D2323/385 |
| Official title | involving radiation |
| Display label | involving radiation |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Grafted polysulfone membranes
US-11618016-B2 · Apr 4, 2023 · US
Composite material for removal of hydrophobic components from fluid mixtures
US-11517859-B2 · Dec 6, 2022 · US
Polymeric membrane and methods for the production of same
US-2022362717-A1 · Nov 17, 2022 · US
Functionalized copolymers and use thereof
US-11446613-B2 · Sep 20, 2022 · US
Super-wet surface and preparation method therefor and application thereof
US-2022282054-A1 · Sep 8, 2022 · US
Ligand functional substrates
US-11279731-B2 · Mar 22, 2022 · US
Grafted polysulfone membranes
US-11273436-B2 · Mar 15, 2022 · US
Membrane for the selective transport of substances
US-2022059857-A1 · Feb 24, 2022 · US
Grafted polysulfone membranes
US-2022032282-A1 · Feb 3, 2022 · US
Acid resistant filter media
US-2021395566-A1 · Dec 23, 2021 · US
Composite material for removal of hydrophobic components from fluid mixtures
US-2021387147-A1 · Dec 16, 2021 · US
Ligand-modified filter and methods for reducing metals from liquid compositions
US-2021260537-A1 · Aug 26, 2021 · US
Uv-grafting process for polymeric flat-sheet membranes
US-2021245110-A1 · Aug 12, 2021 · US
Surface modified membranes for gas separation, and a method for preparing thereof
US-2021236987-A1 · Aug 5, 2021 · US
Hybrid polymer membrane
US-2021229031-A1 · Jul 29, 2021 · US
Synthetic membranes and methods of use thereof
US-11065585-B2 · Jul 20, 2021 · US
Synthetic membranes and methods of use thereof
US-11045772-B2 · Jun 29, 2021 · US
Separation membrane sheet, separation membrane element, separation membrane module, and manufacturing method for separation membrane sheet
US-11045761-B2 · Jun 29, 2021 · US
Grafted islands-in-the-sea nonwoven for high capacity ion exchange bioseparation
US-11027243-B2 · Jun 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2323/385?
- CPC B01D2323/385 is the Cooperative Patent Classification code for “involving radiation.”
- How many patents are filed under CPC B01D2323/385 (involving radiation)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC B01D2323/385 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).