A61K 49/06
Nuclear magnetic resonance [nmr] contrast preparations
Official title: Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
A61K49/06 (Nuclear magnetic resonance [nmr] contrast preparations) appears on 2,797 US grants and 3,512 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,797
- Published applications
- 3,512
- Assignees
- 1,495
- Inventors
- 7,165
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 14 | 0 |
| 1988 | 16 | 0 |
| 1989 | 25 | 0 |
| 1990 | 22 | 0 |
| 1991 | 33 | 0 |
| 1992 | 40 | 0 |
| 1993 | 52 | 0 |
| 1994 | 63 | 0 |
| 1995 | 83 | 0 |
| 1996 | 75 | 0 |
| 1997 | 105 | 0 |
| 1998 | 104 | 0 |
| 1999 | 72 | 0 |
| 2000 | 78 | 0 |
| 2001 | 62 | 20 |
| 2002 | 55 | 80 |
| 2003 | 67 | 106 |
| 2004 | 36 | 87 |
| 2005 | 36 | 102 |
| 2006 | 31 | 120 |
| 2007 | 34 | 121 |
| 2008 | 39 | 107 |
| 2009 | 24 | 163 |
| 2010 | 45 | 182 |
| 2011 | 46 | 186 |
| 2012 | 74 | 159 |
| 2013 | 109 | 167 |
| 2014 | 128 | 208 |
| 2015 | 122 | 192 |
| 2016 | 110 | 191 |
| 2017 | 151 | 161 |
| 2018 | 111 | 158 |
| 2019 | 110 | 159 |
| 2020 | 126 | 190 |
| 2021 | 113 | 149 |
| 2022 | 106 | 123 |
| 2023 | 86 | 125 |
| 2024 | 63 | 108 |
| 2025 | 70 | 84 |
| 2026 | 55 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Single-polymer particles, active molecular complex, method for producing single-polymer particles, method for measuring tumor size, method for measuring fine structure within tumor, method for imaging biological tissue, drug delivery system, and contrast agent kit6 Oct 2026US 12,752,022 B2National Institutes for Quantum Science and Technology
- Peptide libraries with non-canonical amino acids6 Oct 2026US 12,753,205 B2Regeneron Pharmaceuticals, Inc.
- Manganese-enhanced magnetic resonance imaging29 Sep 2026US 12,745,921 B2Ic Targets AS
- Radiofrequency amplification by stimulated emission of radiation via parahydrogen induced polarization29 Sep 2026US 12,746,297 B2Wayne State University
- Magnetic formulations for biomarker sampling and enhanced drug delivery22 Sep 2026US 12,741,038 B2Rocket Science Health Corp.
- Method for synthesizing zeolite nanoparticles in a saline phosphate buffer and associated nanoparticles, suspensions, pharmaceutical composition and uses8 Oct 2026US 2026/0306532 A1Centre National De La Recherche Scientifique
- Long-Lived Gadolinium Based Tumor Targeted Imaging and Therapy Agents8 Oct 2026US 2026/0306634 A1Wisconsin Alumni Research Foundation
- Modular platform for molecular conjugation8 Oct 2026US 2026/0306645 A1CamBrixBio Ltd
- Pharmaceutical compositions of gd-based contrast agents8 Oct 2026US 2026/0306679 A1Bracco Imaging S.P.A.
- Compositions and method for diagnosing and treating alzheimer's disease1 Oct 2026US 2026/0294328 A1The Regents of the University of California
Most cited
By later US patents
- Particle immobilized coatings and uses thereof1,386US 8,679,454 B2SurModics, Inc. · 2014
- Hydrogel compositions and methods of use667US 5,514,379 AThe General Hospital Corporation · 1996
- Masking of liposomes from RES recognition611US 4,501,728 ATechnology Unlimited, Inc. · 1985
- Therapeutic drug delivery systems498US 5,580,575 AImaRx Pharmaceutical Corp. · 1996
- Method for the production of medical-grade lipid-coated microbubbles, paramagnetic labeling of such microbubbles and therapeutic uses of microbubbles492US 5,215,680 ACavitation-Control Technology, Inc. · 1993