A61K 51/1255
Granulates, agglomerates, microspheres
Official title: {Granulates, agglomerates, microspheres}
A61K51/1255 (Granulates, agglomerates, microspheres) appears on 108 US grants and 120 published applications in this corpus.
Search patents in A61K- Granted patents
- 108
- Published applications
- 120
- Assignees
- 93
- Inventors
- 291
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 8 |
| 2003 | 6 | 6 |
| 2004 | 2 | 6 |
| 2005 | 1 | 8 |
| 2006 | 5 | 9 |
| 2007 | 3 | 4 |
| 2008 | 3 | 4 |
| 2009 | 0 | 11 |
| 2010 | 2 | 5 |
| 2011 | 4 | 10 |
| 2012 | 5 | 4 |
| 2013 | 4 | 2 |
| 2014 | 9 | 4 |
| 2015 | 4 | 3 |
| 2016 | 2 | 2 |
| 2017 | 5 | 3 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 5 |
| 2021 | 2 | 9 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 4 | 3 |
| 2025 | 1 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multifunctional microsphere preparation for chemoembolization therapy and imaging of tumors, and preparation method therefor17 Feb 2026US 12,551,442 B2Fudan University
- Treatment of CNS tumors27 Jan 2026US 12,533,431 B2Boston Scientific Medical Device Limited
- Connector assemblies9 Sep 2025US 12,409,309 B2Bard Peripheral Vascular, Inc.
- Microsphere containment systems and methods29 Oct 2024US 12,131,832 B2Bard Peripheral Vascular, Inc.
- Catheter with flaring tip16 Jul 2024US 12,036,373 B2Bard Peripheral Vascular, Inc.
- Microsphere delivery apparatus providing real-time measuring of delivered radioactivity24 Sep 2026US 2026/0283572 A1Beth Israel Deaconess Medical Center, Inc.
- Treatment of cns tumors30 Apr 2026US 2026/0115338 A1Boston Scientific Medical Device Limited
- Suspension containing radioactive microspheres, and preparation method therefor and use thereof2 Apr 2026US 2026/0091149 A1Chengdu Shetai Medical Technology Co., Ltd.
- Peptide-coupled alginate gels comprising radionuclides30 Oct 2025US 2025/0332298 A1Blue Wave Therapeutics GmbH
- Cancer therapy delivery systems and methods30 Oct 2025US 2025/0332444 A1Boston Scientific Scimed, Inc.
Most cited
By later US patents
- Method of delivering a therapeutic agent to a target capillary bed250US 4,345,588 ANorthwestern University · 1982
- Diagnostic/therapeutic agents having microbubbles coupled to one or more vectors228US 6,261,537 B1Nycomed Imaging AS · 2001
- Glass microspheres190US 4,789,501 AThe Curators of the University of Missouri · 1988
- Polychelating agents for image and spectral enhancement (and spectral shift)138US 5,155,215 AAccess Pharmaceuticals, Inc. · 1992
- Complex for in-vivo target localization123US 5,216,130 AAlbany Medical College · 1993