A61K 51/12
Preparations containing radioactive substances for use in therapy or testing in vivo
Official title: characterised by a special physical form, e.g. emulsion, microcapsules, liposomes {, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules (liposomes A61K51/1234)}
A61K51/12 (Preparations containing radioactive substances for use in therapy or testing in vivo) appears on 1,340 US grants and 1,660 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,340
- Published applications
- 1,660
- Assignees
- 859
- Inventors
- 3,431
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 12 | 0 |
| 1991 | 24 | 0 |
| 1992 | 20 | 0 |
| 1993 | 18 | 0 |
| 1994 | 25 | 0 |
| 1995 | 17 | 0 |
| 1996 | 26 | 0 |
| 1997 | 26 | 0 |
| 1998 | 29 | 0 |
| 1999 | 38 | 0 |
| 2000 | 46 | 0 |
| 2001 | 42 | 13 |
| 2002 | 36 | 49 |
| 2003 | 39 | 63 |
| 2004 | 27 | 66 |
| 2005 | 24 | 59 |
| 2006 | 23 | 48 |
| 2007 | 18 | 60 |
| 2008 | 22 | 56 |
| 2009 | 11 | 58 |
| 2010 | 22 | 82 |
| 2011 | 25 | 59 |
| 2012 | 38 | 47 |
| 2013 | 46 | 60 |
| 2014 | 59 | 71 |
| 2015 | 44 | 76 |
| 2016 | 56 | 69 |
| 2017 | 58 | 64 |
| 2018 | 45 | 69 |
| 2019 | 36 | 62 |
| 2020 | 52 | 87 |
| 2021 | 37 | 72 |
| 2022 | 38 | 72 |
| 2023 | 23 | 74 |
| 2024 | 40 | 73 |
| 2025 | 44 | 97 |
| 2026 | 36 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 51/1241Particles, powders, lyophilizates, adsorbates428
- A61K 51/1282Devices used in vivo and carrying the radioactive therapeutic or diagnostic agent263
- A61K 51/1217Dispersions, suspensions, colloids, emulsions246
- A61K 51/1203In a form not provided for by groups a61k51/1206 - a61k51/129693
- A61K 51/1206Administration of radioactive gases, aerosols or breath tests87
- A61K 51/121Solutions, i.e. homogeneous liquid formulation74
- A61K 51/1213Semi-solid forms, gels, hydrogels, ointments, fats and waxes that are solid at71
- A61K 51/1268Host-guest, closed hollow molecules, inclusion complexes49
Recent patents
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- Materials and processes for generating radioisotopes6 Oct 2026US 12,755,857 B2AdvanCell IPCo US No. 1 Pty Ltd
- Urokinase plasminogen activator receptor-targeted radiopharmaceutical22 Sep 2026US 12,741,039 B2Monopar Therapeutics Inc.
- Theragnostic method for cancer patients15 Sep 2026US 12,734,257 B2
- Biomedical imaging of bacteria and viruses15 Sep 2026US 12,734,260 B2Multi-Magnetics Incorporated
- Methods and materials for treating cancer8 Oct 2026US 2026/0306684 A1Mayo Foundation for Medical Education and Research
- Microsphere delivery apparatus providing real-time measuring of delivered radioactivity24 Sep 2026US 2026/0283572 A1Beth Israel Deaconess Medical Center, Inc.
- Methods of Treating and Preventing Cancer with Alternating Electric Fields, Radioactive Particles, and Systemic Therapy24 Sep 2026US 2026/0284431 A1Novocure GmbH
- Combination for and method of suppressing sarcoma or carcinoma malignancies17 Sep 2026US 2026/0273109 A1Ism Biosciences LLC
- Gel compositions and related methods17 Sep 2026US 2026/0273113 A1Boston Scientific Scimed, Inc.
Most cited
By later US patents
- Particle immobilized coatings and uses thereof1,386US 8,679,454 B2SurModics, Inc. · 2014
- Coated implantable medical device1,180US 6,096,070 ACook Incorporated · 2000
- Coated implantable medical device1,071US 5,824,049 AMED Institute, Inc. · 1998
- Silver implantable medical device1,026US 5,873,904 ACook Incorporated · 1999
- Coated implantable medical device949US 5,609,629 AMED Institute, Inc. · 1997