A61K 49/0447
Physical forms of mixtures of two different x-ray contrast-enhancing agents, containing at
Official title: {Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is a halogenated organic compound}
A61K49/0447 (Physical forms of mixtures of two different x-ray contrast-enhancing agents, containing at) appears on 350 US grants and 409 published applications in this corpus.
Search patents in A61K- Granted patents
- 350
- Published applications
- 409
- Assignees
- 234
- Inventors
- 850
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 23 | 0 |
| 1995 | 21 | 0 |
| 1996 | 18 | 0 |
| 1997 | 17 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 5 |
| 2002 | 17 | 10 |
| 2003 | 10 | 16 |
| 2004 | 1 | 18 |
| 2005 | 4 | 22 |
| 2006 | 8 | 12 |
| 2007 | 3 | 15 |
| 2008 | 6 | 16 |
| 2009 | 6 | 14 |
| 2010 | 8 | 20 |
| 2011 | 5 | 17 |
| 2012 | 8 | 16 |
| 2013 | 11 | 14 |
| 2014 | 11 | 32 |
| 2015 | 17 | 17 |
| 2016 | 10 | 20 |
| 2017 | 11 | 7 |
| 2018 | 11 | 9 |
| 2019 | 9 | 18 |
| 2020 | 9 | 17 |
| 2021 | 13 | 13 |
| 2022 | 9 | 12 |
| 2023 | 10 | 12 |
| 2024 | 6 | 20 |
| 2025 | 5 | 20 |
| 2026 | 5 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radiopaque polymers with enhanced radiopacity15 Sep 2026US 12,734,255 B2Embolization, Inc.
- Nanoemulsion with porphyrin shell26 May 2026US 12,636,384 B2University Health Network
- Deuterated compounds and imaging agents for imaging huntingtin protein21 Apr 2026US 12,606,570 B2CHDI Foundation, Inc.
- Bismuth-gadolinium nanoparticles10 Mar 2026US 12,569,560 B2Centre National De La Recherche Scientifique
- Non-degradable embolisation microsphere17 Feb 2026US 12,552,891 B2Guerbet
- Radiopaque amino-functional poly(amino acid) compounds for medical applications27 Aug 2026US 2026/0248970 A1Boston Scientific Scimed, Inc.
- Radiopaque hydrogels and methods of making and using same23 Jul 2026US 2026/0207791 A1Boston Scientific Scimed, Inc.
- Nanoparticles and preparation method16 Jul 2026US 2026/0199392 A1Centre National De La Recherche Scientifique
- Stabilized formulations containing iodinated contrast agents and cyclodextrins16 Jul 2026US 2026/0199531 A1
- Conjugates having antifouling nanoparticles and methods of use9 Jul 2026US 2026/0191997 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- Surface modified drug nanoparticles993US 5,145,684 ASterling Drug Inc. · 1992
- Surface modified anticancer nanoparticles469US 5,399,363 AEastman Kodak Company · 1995
- Surface modified NSAID nanoparticles275US 5,552,160 ANanoSystems L.L.C. · 1996
- Targeted co-polymers for radiographic imaging210US 5,746,998 AThe General Hospital Corporation · 1998
- Method for making uniformly sized particles from water-insoluble organic compounds193US 4,826,689 AUniversity of Rochester · 1989