Magnetic aluminum-based adsorbent and preparation method therefor
US-2024342688-A1 · Oct 17, 2024 · US
Magnetic properties
Magnetic properties · 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 | B01J20/28009 |
| Official title | {Magnetic properties} |
| Display label | Magnetic properties |
| Total patents | 241 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 13 |
| 2017 | 16 |
| 2018 | 18 |
| 2019 | 22 |
| 2020 | 23 |
| 2021 | 18 |
| 2022 | 26 |
| 2023 | 28 |
| 2024 | 31 |
| 2025 | 24 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engineered nanoparticles for aqueous applications
US-2018280923-A1 · Oct 4, 2018 · US
Process for obtaining nanocomposites, nanocomposite, method of capture and retrieval of a solubilized and/or dispersed material in organic or inorganic medium, method of purification of an organic or inorganic medium and capture and retrieval kit for a solubilized and/or dispersed material in organic or inorganic medium
US-10086358-B2 · Oct 2, 2018 · US
Separation of oil-water mixtures using nanotechnology
US-10071919-B2 · Sep 11, 2018 · US
Methods and systems for isolating nitrogen from a gaseous mixture
US-10059589-B2 · Aug 28, 2018 · US
Composites for removing heavy metal and method of synthesizing the same
US-2018236435-A1 · Aug 23, 2018 · US
Methods to Remove Organic and/or Inorganic Compounds From Water
US-2018222773-A1 · Aug 9, 2018 · US
Extraction separation using magnetic beads
US-10040073-B2 · Aug 7, 2018 · US
Porous carbon material composites and their production process, adsorbents, cosmetics, purification agents, and composite photocatalyst materials
US-2018161760-A1 · Jun 14, 2018 · US
Preparation and use of magnetic polymer nanocomposites
US-9987616-B2 · Jun 5, 2018 · US
Carboxylic functionalized magnetic nanocomposite
US-9987617-B1 · Jun 5, 2018 · US
Device for detecting and decontaminating hazardous chemicals
US-9925520-B1 · Mar 27, 2018 · US
Composition of magnetic materials for sensing and decontaminating toxic chemicals
US-9925519-B1 · Mar 27, 2018 · US
Biosynthesized magnetic metal nanoparticles for oil spill remediation
US-9901903-B1 · Feb 27, 2018 · US
Biological composite material loaded with magnetic nanoparticles with core-shell structure, the preparation therefore and the application
US-9809476-B2 · Nov 7, 2017 · US
Filter and methods for heavy metal remediation of water
US-9776891-B2 · Oct 3, 2017 · US
Portable efficient magnetic solid phase extraction device and extraction method thereof
US-2017276576-A1 · Sep 28, 2017 · US
Use of Magnetic Mesoporous Silica Nanoparticles For Removing Uranium From Media
US-2017225967-A1 · Aug 10, 2017 · US
Methods and systems for isolating nitrogen from a gaseous mixture
US-2017197831-A1 · Jul 13, 2017 · US
Biological composite material loaded with magnetic nanoparticles with core-shell structure, the preparation therefore and the application
US-2017174542-A1 · Jun 22, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/28009?
- CPC B01J20/28009 is the Cooperative Patent Classification code for “Magnetic properties.”
- How many patents are filed under CPC B01J20/28009 (Magnetic properties)?
- Our database includes 241 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/28009 growing?
- Publication counts under this code: 31 in 2024 vs 24 in 2025 (latest complete years).