A61K 51/048
Dtpa
Official title: {DTPA (diethylenetriamine tetraacetic acid)}
A61K51/048 (Dtpa) appears on 59 US grants and 59 published applications in this corpus.
Search patents in A61K- Granted patents
- 59
- Published applications
- 59
- Assignees
- 55
- Inventors
- 190
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 3 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 7 |
| 2020 | 2 | 4 |
| 2021 | 2 | 1 |
| 2022 | 3 | 7 |
| 2023 | 4 | 2 |
| 2024 | 7 | 10 |
| 2025 | 5 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition containing buffer6 Oct 2026US 12,752,008 B2Perseus Proteomics Inc.
- Stable, concentrated radionuclide complex solutions9 Dec 2025US 12,491,272 B2Advanced Accelerator Applications SA
- Radiolabelled compounds for diagnosis or treatment of prostate-specific membrane antigen- expressing cancer18 Nov 2025US 12,472,272 B2Provincial Health Services Authority
- Compositions and methods for cancer imaging and radiotherapy11 Nov 2025US 12,465,660 B2Centre National De La Recherche Scientifique
- Stable, concentrated radionuclide complex solutions16 Sep 2025US 12,415,003 B2Advanced Accelerator Applications SA
- Stable, concentrated radionuclide complex solutions25 Jun 2026US 2026/0174912 A1Advanced Accelerator Applications SA
- Stable, concentrated radionuclide complex solutions25 Sep 2025US 2025/0295820 A1Advanced Accelerator Applications SA
- Alpha Emitter Compositions And Methods18 Sep 2025US 2025/0288703 A1Nant Holdings IP, LLC
- Stable, concentrated radionuclide complex solutions3 Jul 2025US 2025/0213734 A1Advanced Accelerator Applications SA
- Stable, concentrated radionuclide complex solutions13 Mar 2025US 2025/0082790 A1Advanced Accelerator Applications SA
Most cited
By later US patents
- Amide complexes151US 5,693,310 ASchering Corporation · 1997
- Imaging protocols117US 8,644,910 B2Biosensors International Group, Ltd. · 2014
- Backbone polysubstituted chelates for forming a metal chelate-protein conjugate82US 4,831,175 AThe United States of America, as represented by the Secretary, Department of Health and Human Services · 1989
- Stable therapeutic radionuclide compositions and methods for preparation thereof58US 5,393,512 A1995
- Process for labeling amines with .sup.99m Tc48US 4,668,503 ATrustees of the University of Massachusetts · 1987