A61K 47/547
Chelates
Official title: {Chelates, e.g. Gd-DOTA or Zinc-amino acid chelates; Chelate-forming compounds, e.g. DOTA or ethylenediamine being covalently linked or complexed to the pharmacologically- or therapeutically-active agent}
A61K47/547 (Chelates) appears on 308 US grants and 358 published applications in this corpus.
Search patents in A61K- Granted patents
- 308
- Published applications
- 358
- Assignees
- 203
- Inventors
- 673
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 17 | 0 |
| 1998 | 26 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 2 |
| 2002 | 14 | 5 |
| 2003 | 7 | 32 |
| 2004 | 7 | 10 |
| 2005 | 3 | 7 |
| 2006 | 5 | 12 |
| 2007 | 3 | 4 |
| 2008 | 3 | 5 |
| 2009 | 2 | 7 |
| 2010 | 3 | 5 |
| 2011 | 4 | 4 |
| 2012 | 2 | 7 |
| 2013 | 4 | 10 |
| 2014 | 8 | 13 |
| 2015 | 5 | 11 |
| 2016 | 8 | 15 |
| 2017 | 10 | 13 |
| 2018 | 9 | 23 |
| 2019 | 14 | 17 |
| 2020 | 13 | 20 |
| 2021 | 14 | 33 |
| 2022 | 16 | 36 |
| 2023 | 12 | 20 |
| 2024 | 16 | 18 |
| 2025 | 12 | 16 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pharmaceutical composition and method of treating hematologic malignancies15 Sep 2026US 12,734,240 B1Ism Biosciences LLC
- Molybdenum-based feed supplement for bees24 Mar 2026US 12,582,721 B2Centre National De La Recherche Scientifique
- Dilute ready to use large volume containers of phenylephrine3 Mar 2026US 12,564,561 B2Sintetica S.A.
- Formulations of anti-RSV antibodies and methods of use thereof3 Mar 2026US 12,565,526 B2Merck Sharpe & Dohme Ltd.
- Isoproterenol compositions and methods17 Feb 2026US 12,551,454 B2Ph Health Limited
- Biologically compatible, biofilm disrupting composition and methods1 Oct 2026US 2026/0294861 A1
- Pharmacuetical Composition and Method of Treating Hematologic Malignancies17 Sep 2026US 2026/0273068 A1Ism Biosciences LLC
- Dilute ready to use large volume containers of phenylephrine20 Aug 2026US 2026/0240793 A1Sintetica S.A.
- Compounds for nucleic acid cleavage30 Jul 2026US 2026/0216342 A1Cambridge Enterprise Limited
- Formulations of anti-rsv antibodies and methods of use thereof30 Jul 2026US 2026/0217798 A1Merck Sharp & Dohme Corp.
Most cited
By later US patents
- Nucleic acid ligands561US 5,475,096 AUniversity Research Corporation · 1995
- Systematic evolution of ligands by exponential enrichment: Solution SELEX337US 5,567,588 AUniversity Research Corporation · 1996
- Systematic evolution of ligands by exponential enrichment: chimeric selex281US 5,637,459 ANeXstar Pharmaceuticals, Inc. · 1997
- High-affinity nucleic acid ligands that discriminate between theophylline and caffeine277US 5,580,737 ANeXstar Pharmaceuticals, Inc. · 1996
- Water soluble paclitaxel prodrugs272US 5,977,163 APG-TXL Company, L. P. · 1999