G01N 2446/00
Magnetic particle immunoreagent carriers
G01N2446/00 (Magnetic particle immunoreagent carriers) appears on 217 US grants and 204 published applications in this corpus.
Search patents in G01N- Granted patents
- 217
- Published applications
- 204
- Assignees
- 187
- Inventors
- 592
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 12 |
| 2003 | 5 | 3 |
| 2004 | 2 | 4 |
| 2005 | 2 | 12 |
| 2006 | 5 | 7 |
| 2007 | 3 | 5 |
| 2008 | 3 | 5 |
| 2009 | 0 | 9 |
| 2010 | 5 | 8 |
| 2011 | 5 | 15 |
| 2012 | 7 | 7 |
| 2013 | 3 | 6 |
| 2014 | 2 | 5 |
| 2015 | 4 | 19 |
| 2016 | 7 | 9 |
| 2017 | 8 | 8 |
| 2018 | 10 | 7 |
| 2019 | 7 | 11 |
| 2020 | 4 | 4 |
| 2021 | 3 | 7 |
| 2022 | 7 | 9 |
| 2023 | 2 | 13 |
| 2024 | 3 | 9 |
| 2025 | 3 | 2 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 2446/20The magnetic material being present in the particle coreIndexing code131
- G01N 2446/80Magnetic particle immunoreagent carriers: characterised by the agent used to coat theIndexing code109
- G01N 2446/30The magnetic material being dispersed in the polymer composition before their conversionIndexing code58
- G01N 2446/10The magnetic material being used to coat a pre-existing polymer particle butIndexing code25
- G01N 2446/40The magnetic material being dispersed in the monomer composition prior to polymerisationIndexing code18
- G01N 2446/60The magnetic material being dispersed in a medium other than the mainIndexing code17
Recent patents
- Magnetic immunosensor with trench configuration and method of use21 Jul 2026US 12,687,541 B2Abbott Point of Care Inc.
- Violet excitable tandem dyes, and methods for making and using the same7 Jul 2026US 12,674,059 B2Becton, Dickinson and Company
- Probes comprising metal nanoparticles, magnetic nanoparticles and target-specific fluorophores or binding sites30 Jun 2026US 12,669,499 B2Oregon State University
- Implantable biosensor containing a magnetic nanoparticle assay for in vivo analyte detection21 Apr 2026US 12,607,692 B2Lodestone Biomedical Inc.
- Systems and methods for utilizing combined magnetic nanoparticles and nanobodies25 Nov 2025US 12,480,945 B2
- Violet Excitable Tandem Dyes, and Methods for Making and Using the Same8 Oct 2026US 2026/0308383 A1
- Oligosaccharide and/or polysaccharide coated iron oxide nanorods and methods of making and use thereof1 Oct 2026US 2026/0298916 A15M Biomed, LLC
- Multimodal lateral flow assay system for sensitive and quantitative detection of inflammation markers20 Aug 2026US 2026/0243762 A1City University of Hong Kong
- Implantable biosensor containing a magnetic nanoparticle assay for in vivo analyte detection13 Aug 2026US 2026/0235707 A1Lodestone Biomedical Inc.
- Method for detecting test substance in specimen25 Jun 2026US 2026/0177544 A1Tokyo Metropolitan Institute for Geriatrics and Gerontology
Most cited
By later US patents
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Magnetically-localizable, biodegradable lipid microspheres395US 4,331,654 AEli Lilly and Company · 1982
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Magnetic-polymer particles309US 4,795,698 AImmunicon Corporation · 1989
- Coated nanoparticles262US 6,548,264 B1University of Florida · 2003