B01J 20/28009
Magnetic properties
Official title: {Magnetic properties}
B01J20/28009 (Magnetic properties) appears on 262 US grants and 333 published applications in this corpus.
Search patents in B01J- Granted patents
- 262
- Published applications
- 333
- Assignees
- 254
- Inventors
- 908
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 4 |
| 2003 | 5 | 8 |
| 2004 | 5 | 12 |
| 2005 | 1 | 12 |
| 2006 | 6 | 13 |
| 2007 | 9 | 8 |
| 2008 | 4 | 8 |
| 2009 | 4 | 14 |
| 2010 | 7 | 12 |
| 2011 | 4 | 11 |
| 2012 | 6 | 6 |
| 2013 | 7 | 12 |
| 2014 | 6 | 14 |
| 2015 | 6 | 23 |
| 2016 | 6 | 16 |
| 2017 | 13 | 11 |
| 2018 | 15 | 12 |
| 2019 | 13 | 21 |
| 2020 | 7 | 21 |
| 2021 | 10 | 17 |
| 2022 | 14 | 20 |
| 2023 | 19 | 18 |
| 2024 | 19 | 17 |
| 2025 | 18 | 12 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface molecularly imprinted magnetic nanometer material of salvianolic acid A, preparation method therefor and use thereof1 Sep 2026US 12,722,142 B2Zhejiang Chinese Medical University
- Kit for detecting drug in sample and detection method thereof18 Aug 2026US 12,710,405 B1Calibra Scientific, Inc.
- Metal-organic frameworks for selective ion extraction5 May 2026US 12,616,955 B2Schlumberger Technology Corporation
- Biogenic activated carbon and methods of making and using same28 Apr 2026US 12,611,649 B2Carbon Technology Holdings, LLC
- Method for fabricating organic nanocomposite10 Mar 2026US 12,569,825 B1Imam Mohammad Ibn Saud Islamic University
- Uniform multi-layer silica coated porous/mesoporus magnetic beads, methods of making and uses thereof17 Sep 2026US 2026/0275327 A1Magnostics Limited
- Lectin-assisted isolation of mammalian cell nuclei20 Aug 2026US 2026/0242771 A1Talus Bioscience, Inc.
- Process for separating nanoplastics from aqueous matrices by means of using carbon black particles16 Jul 2026US 2026/0200763 A1Universidad Autonoma De Madrid
- Application of carboxylated covalent organic magnetic framework material as magnetic solid-phase extraction adsorbent28 May 2026US 2026/0145158 A1Scut-Zhongshan Institute of Modern Industrial Technology
- Methods and compositions for recovery of lithium from liquid solutions with nanoparticles21 May 2026US 2026/0139343 A1Moselle Technologies, LLC
Most cited
By later US patents
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Magnetic particles for use in separations245US 4,672,040 AAdvanced Magnetics, Inc. · 1987
- System and method for sequestration and separation of mercury in combustion exhaust gas aqueous scrubber systems182US 7,722,843 B12010
- Binding assays employing magnetic particles152US 4,628,037 AAdvanced Magnetics, Inc. · 1986