A61K 49/186
The organic macromolecular compound being polyethyleneglycol [peg]
Official title: {the organic macromolecular compound being polyethyleneglycol [PEG]}
A61K49/186 (The organic macromolecular compound being polyethyleneglycol [peg]) appears on 77 US grants and 144 published applications in this corpus.
Search patents in A61K- Granted patents
- 77
- Published applications
- 144
- Assignees
- 104
- Inventors
- 414
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 3 |
| 2007 | 0 | 3 |
| 2008 | 1 | 5 |
| 2009 | 0 | 9 |
| 2010 | 1 | 12 |
| 2011 | 2 | 15 |
| 2012 | 3 | 9 |
| 2013 | 11 | 12 |
| 2014 | 4 | 11 |
| 2015 | 5 | 6 |
| 2016 | 5 | 12 |
| 2017 | 7 | 3 |
| 2018 | 4 | 7 |
| 2019 | 3 | 4 |
| 2020 | 3 | 2 |
| 2021 | 4 | 7 |
| 2022 | 5 | 6 |
| 2023 | 2 | 5 |
| 2024 | 1 | 5 |
| 2025 | 5 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biothiol-activatable probe and method of use14 Oct 2025US 12,440,582 B2Board of Regents, The University of Texas System
- Magnetic nanoparticles functionalized with N-(3,4-dihydroxyphenethyl)dodecanamide, production and use thereof5 Aug 2025US 12,377,174 B2Colorobbia Italia S.P.A.
- Methods to spatially profile protease activity in tissue and sections3 Jun 2025US 12,320,801 B2Massachusetts Institute of Technology
- Metal oxides nanoparticles conjugated with naphthalene derivatives as contrast agents for the detection of beta amyloid plaques by magnetic resonance images27 May 2025US 12,311,036 B2Centro De Neurociencias De Cuba
- Biocompatible magnetic materials8 Apr 2025US 12,268,756 B2MegaPro Biomedical Co., Ltd.
- Dual-modal tumor imaging using functionalized iron-oxide nanoparticles for mri and fluorescence imaging3 Sep 2026US 2026/0256952 A1University of South Florida
- Multi-modal molecular imaging nanoprobe for early warning and dynamic monitoring of atherosclerotic plaques and use thereof23 Apr 2026US 2026/0108636 A1The Sixth Medical Center of Chinese Pla General Hospital
- Polymer coated iron oxide nanorods and methods of making and use thereof7 Nov 2024US 2024/0366805 A15M Biomed, LLC
- Methods and compositions for delivery to and across the blood brain barrier24 Oct 2024US 2024/0350646 A1NUtech Ventures
- Method to assess nodal disease using iron oxide nanoparticles in magnetic resonance imaging8 Aug 2024US 2024/0261442 A1Imagion Biosystems, Inc.
Most cited
By later US patents
- Magnetic resonance imaging with fluorocarbons encapsulated in a cross-linked polymeric shell193US 5,362,478 AVivorx Pharmaceuticals, Inc. · 1994
- Method for the preparation of fluorocarbon-containing polymeric shells for medical imaging192US 5,505,932 AVivorx Pharmaceuticals, Inc. · 1996
- Non-fluorinated polymeric shells for medical imaging190US 5,508,021 AVivorx Pharmaceuticals, Inc. · 1996
- Polymeric shells for medical imaging prepared from synthetic polymers, and methods for the use thereof141US 5,512,268 AVivorx Pharmaceuticals, Inc. · 1996
- Multifunctional magnetic nanoparticle probes for intracellular molecular imaging and monitoring112US 7,459,145 B2Emory University · 2008