Recycling of superabsorbent polymer via UV irradiation in flow system
US-11154839-B2 · Oct 26, 2021 · US
Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves
Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves · 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 | B01J20/3441 |
| Official title | {Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves} |
| Display label | Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 7 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 16 |
| 2024 | 15 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sterile chromatography resin and use thereof in manufacturing processes
US-2021268477-A1 · Sep 2, 2021 · US
Water treatment apparatus filter and water treatment apparatus including same
US-2021130198-A1 · May 6, 2021 · US
Sterile chromatography resin and use thereof in manufacturing processes
US-10919021-B2 · Feb 16, 2021 · US
Metal organic framework based water capture apparatus
US-2020282379-A1 · Sep 10, 2020 · US
Porphyrin-based catalysts for water splitting
US-2020261897-A1 · Aug 20, 2020 · US
Separation of nitrogen from hydrocarbon gas using pyrolyzed sulfonated macroporous ion exchange resin
US-10661219-B2 · May 26, 2020 · US
Ammonia adsorbent
US-10647593-B2 · May 12, 2020 · US
Process for co2 capture from gaseous streams
US-2020070091-A1 · Mar 5, 2020 · US
Electrochemical adsorbtion with graphene nanocomposites
US-2020017374-A1 · Jan 16, 2020 · US
Method for regeneration of carbon dioxide absorbent
US-2019329222-A1 · Oct 31, 2019 · US
Process for carbon dioxide recovery from a gas stream containing carbon dioxide and hydrocarbons
US-10456729-B2 · Oct 29, 2019 · US
Method to regenerate oxygen traps
US-10428433-B2 · Oct 1, 2019 · US
Sorbent structures with resistive heating capability and methods of making the same
US-2019262762-A1 · Aug 29, 2019 · US
Sterile chromatography resin and use thereof in manufacturing processes
US-2018369786-A1 · Dec 27, 2018 · US
Temperature controlled adsorption process for recovering condensable components from a gas stream
US-10093877-B2 · Oct 9, 2018 · US
Sterile affinity chromatography resin
US-10071364-B2 · Sep 11, 2018 · US
Class of tunable gas storage and sensor materials
US-10071360-B2 · Sep 11, 2018 · US
Material for removing contaminants from water
US-2018214851-A1 · Aug 2, 2018 · US
Swing adsorber and process cycle for fluid separations
US-10016716-B2 · Jul 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/3441?
- CPC B01J20/3441 is the Cooperative Patent Classification code for “Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves.”
- How many patents are filed under CPC B01J20/3441 (Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves)?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/3441 growing?
- Publication counts under this code: 15 in 2024 vs 15 in 2025 (latest complete years).