A61K 49/0036
Porphyrins
Official title: {Porphyrins (used in photodynamic therapy A61K41/0071 or A61K41/0076; used as targeting group or modifying agent for targeting a therapeutic compound A61K47/546)}
A61K49/0036 (Porphyrins) appears on 176 US grants and 225 published applications in this corpus.
Search patents in A61K- Granted patents
- 176
- Published applications
- 225
- Assignees
- 156
- Inventors
- 598
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 11 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 3 |
| 2003 | 1 | 7 |
| 2004 | 6 | 12 |
| 2005 | 1 | 8 |
| 2006 | 4 | 5 |
| 2007 | 2 | 4 |
| 2008 | 0 | 6 |
| 2009 | 0 | 5 |
| 2010 | 3 | 5 |
| 2011 | 4 | 10 |
| 2012 | 4 | 7 |
| 2013 | 5 | 11 |
| 2014 | 3 | 10 |
| 2015 | 8 | 14 |
| 2016 | 7 | 12 |
| 2017 | 12 | 13 |
| 2018 | 6 | 10 |
| 2019 | 11 | 11 |
| 2020 | 12 | 21 |
| 2021 | 6 | 12 |
| 2022 | 6 | 15 |
| 2023 | 4 | 10 |
| 2024 | 4 | 4 |
| 2025 | 5 | 5 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medical control device and medical observation system using a different wavelength band than that of fluorescence of an observation target to control focus or brightness11 Aug 2026US 12,702,266 B2Sony Olympus Medical Solutions Inc.
- Conjugate and photoimmunotherapy2 Jun 2026US 12,642,863 B2Jsr Corporation
- Nanoemulsion with porphyrin shell26 May 2026US 12,636,384 B2University Health Network
- Photosensitizing antibody-fluorophore conjugates5 May 2026US 12,616,751 B2The United States of America, as represented by the Secretary, Department of Health and Human Services
- Chemiluminescent and fluorescent nanoparticle for optical imaging of cancer24 Mar 2026US 12,582,727 B2The Regents of the University of Colorado, a body corporate
- Pyropheophorbide Analogues for Therapy and Diagnosis27 Aug 2026US 2026/0248828 A1RMW CHO Group Limited
- Phyllochlorin analogues suitable for use in photodynamic therapy (PDT)9 Jul 2026US 2026/0193265 A1RMW CHO Group Limited
- Psma targeted conjugate compounds and uses thereof30 Oct 2025US 2025/0332265 A1
- Porphyrin-hydroporphyrin compounds, compositions comprising the same and methods of use thereof25 Sep 2025US 2025/0295815 A1NIRvana Sciences Inc.
- Fluorochemical targeted therapies21 Aug 2025US 2025/0262332 A1Mt Research, LLC
Most cited
By later US patents
- Liquid delivery compositions268US 5,780,044 AAtrix Laboratories, Inc. · 1998
- Liquid delivery compositions243US 5,744,153 AAtrix Laboratories, Inc. · 1998
- Intraperative, intravascular and endoscopic tumor and lesion detection and therapy with monovalent antibody fragments180US 5,716,595 AImmunomedics, Inc. · 1998
- Intraoperative, intravascular, and endoscopic tumor and lesion detection, biopsy and therapy173US 6,096,289 AImmunomedics, Inc. · 2000
- Liquid delivery compositions162US 5,759,563 AAtrix Laboratories, Inc. · 1998