A61K 49/126
Linear polymers
Official title: {Linear polymers, e.g. dextran, inulin, PEG}
A61K49/126 (Linear polymers) appears on 198 US grants and 200 published applications in this corpus.
Search patents in A61K- Granted patents
- 198
- Published applications
- 200
- Assignees
- 170
- Inventors
- 642
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 18 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 1 |
| 2003 | 4 | 8 |
| 2004 | 2 | 4 |
| 2005 | 4 | 8 |
| 2006 | 2 | 7 |
| 2007 | 0 | 6 |
| 2008 | 0 | 6 |
| 2009 | 2 | 4 |
| 2010 | 4 | 6 |
| 2011 | 3 | 13 |
| 2012 | 3 | 14 |
| 2013 | 4 | 14 |
| 2014 | 5 | 12 |
| 2015 | 15 | 14 |
| 2016 | 2 | 10 |
| 2017 | 13 | 7 |
| 2018 | 7 | 9 |
| 2019 | 7 | 8 |
| 2020 | 6 | 9 |
| 2021 | 5 | 10 |
| 2022 | 6 | 3 |
| 2023 | 4 | 7 |
| 2024 | 4 | 7 |
| 2025 | 4 | 5 |
| 2026 | 5 | 7 |
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
- Contrast agents, methods for preparing contrast agents, and methods of imaging18 Aug 2026US 12,708,677 B2Georgia State University Research Foundation, Inc.
- Methods for magnetic resonance imaging of nanoconstructs and uses thereof28 Jul 2026US 12,690,779 B2Kuva Labs Inc.
- Synthetic cyclic peptide mimetics5 May 2026US 12,616,760 B2Bar-Ilan University
- Compounds for use as iron(III) MRI contrast agents27 Jan 2026US 12,534,487 B2The Research Foundation for The State University of New York
- Use of acrylic acid-containing polymers for molecular imaging of target proteins17 Sep 2026US 2026/0273108 A1
- Targeted protein contrast agents, methods of making, and uses thereof30 Jul 2026US 2026/0216379 A1Georgia State University Research Foundation, Inc.
- Contrast agent for magnetic resonance imaging23 Jul 2026US 2026/0207792 A1Wenzhou Institute, University of Chinese Academy Of Sciences
- Conjugates having antifouling nanoparticles and methods of use9 Jul 2026US 2026/0191997 A1Board of Regents, The University of Texas System
- 19f magnetic resonance imaging agents and methods of using thereof11 Jun 2026US 2026/0158178 A1Kuva Labs Inc.
Most cited
By later US patents
- Tumoricidal methotrexate-antibody conjugate378US 4,699,784 ACenter for Molecular Medicine and Immunology · 1987
- Composition useful for in vivo delivery of biologics and methods employing same369US 5,498,421 AVivorx Pharmaceuticals, Inc. · 1996
- Method of expanded porphyrin-oligonucleotide conjugate synthesis325US 5,565,552 ABoard of Regents, Univ. of Texas Sys. · 1996
- Texaphyrin-oligonucleotide conjugates308US 5,587,371 ABoard of Trustees, Univ. of TX Sys. · 1996
- Diagnostic and therapeutic antibody conjugates285US 5,057,313 ACenter for Molecular Medicine and Immunology · 1991