A61K 47/546
Porphyrines
Official title: {Porphyrines; Porphyrine with an expanded ring system, e.g. texaphyrine}
A61K47/546 (Porphyrines) appears on 106 US grants and 77 published applications in this corpus.
Search patents in A61K- Granted patents
- 106
- Published applications
- 77
- Assignees
- 77
- Inventors
- 234
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 3 |
| 2005 | 2 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 5 |
| 2017 | 1 | 3 |
| 2018 | 2 | 3 |
| 2019 | 1 | 8 |
| 2020 | 4 | 9 |
| 2021 | 6 | 7 |
| 2022 | 3 | 6 |
| 2023 | 5 | 6 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tymovirus virus and virus-like particles as nanocarriers for imaging and therapeutic agents21 Apr 2026US 12,606,805 B2Case Western Reserve University
- Texaphyrin-Pt(IV) conjugates and compositions for use in overcoming platinum resistance18 Nov 2025US 12,472,187 B2Board of Regents, The University of Texas System
- Glyco-metal-organic frameworks-based hepatic targeted therapeutic drug and preparation method thereof29 Oct 2024US 12,128,111 B2Jiangnan University
- Pyropheophorbide conjugate and use thereof in the treatment of cancer and as a fluorescent marker7 May 2024US 11,975,072 B2
- Metal-porphyrin complexes for the inactivation of the biological activity of opioids5 Sep 2023US 11,744,834 B2The Government of the United States of America, as represented by the Secretary of the Navy
- A combination therapy for cancer treatment8 Oct 2026US 2026/0306633 A1Purdue Research Foundation
- Method for treatment of coronavirus infection11 Jun 2026US 2026/0158055 A1
- Novel Stannic Protoporfin Compositions, Methods of Making, and Uses Thereof31 Jul 2025US 2025/0242033 A1
- Acetylated sialic acid glycoclusters and their uses for treating infectious diseases1 May 2025US 2025/0134921 A1Université Catholique De Louvain
- Tymovirus virus and virus-like particles as nanocarriers for imaging and therapeutic agents21 Mar 2024US 2024/0093160 A1Case Western Reserve University
Most cited
By later US patents
- Method of expanded porphyrin-oligonucleotide conjugate synthesis325US 5,565,552 ABoard of Regents, Univ. of Texas Sys. · 1996
- Texaphyrin-oligonucleotide conjugates308US 5,587,371 ABoard of Trustees, Univ. of TX Sys. · 1996
- Chromophore probe for detection of nucleic acid221US 5,595,726 ABoard of Trustees, Univ. of TX Sys. · 1997
- Expanded porphyrins: large porphyrin-like tripyrroledimethine-derived macrocycles172US 4,935,498 ABoard of Regents, The University of Texas System · 1990
- Photodynamic viral deactivation with sapphyrins90US 5,041,078 ABaylor Research Foundation, a nonprofit corporation of the State of Texas · 1991