A61K 41/0071
Pdt with porphyrins having exactly 20 ring atoms, i.e. based on the
Official title: {PDT with porphyrins having exactly 20 ring atoms, i.e. based on the non-expanded tetrapyrrolic ring system, e.g. bacteriochlorin, chlorin-e6, or phthalocyanines}
A61K41/0071 (Pdt with porphyrins having exactly 20 ring atoms, i.e. based on the) appears on 560 US grants and 795 published applications in this corpus.
Search patents in A61K- Granted patents
- 560
- Published applications
- 795
- Assignees
- 393
- Inventors
- 1,564
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 14 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 25 | 0 |
| 2000 | 25 | 0 |
| 2001 | 10 | 7 |
| 2002 | 12 | 37 |
| 2003 | 17 | 55 |
| 2004 | 15 | 49 |
| 2005 | 12 | 34 |
| 2006 | 21 | 37 |
| 2007 | 11 | 26 |
| 2008 | 12 | 35 |
| 2009 | 10 | 33 |
| 2010 | 19 | 31 |
| 2011 | 8 | 33 |
| 2012 | 20 | 33 |
| 2013 | 11 | 23 |
| 2014 | 16 | 26 |
| 2015 | 24 | 26 |
| 2016 | 21 | 25 |
| 2017 | 22 | 22 |
| 2018 | 15 | 22 |
| 2019 | 12 | 31 |
| 2020 | 18 | 35 |
| 2021 | 21 | 34 |
| 2022 | 11 | 42 |
| 2023 | 17 | 30 |
| 2024 | 20 | 29 |
| 2025 | 11 | 22 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enteroendocrine cell-targeting polymer substance conjugated with photosensitizer, and medical use thereof for ameliorating metabolic disease11 Aug 2026US 12,702,712 B2The Catholic University of Korea Industry-Academic Cooperation Foundation
- Methods for photoimmunotherapy and related biomarkers11 Aug 2026US 12,704,501 B2Rakuten Medical, Inc.
- Methods for magnetic resonance imaging of nanoconstructs and uses thereof28 Jul 2026US 12,690,779 B2Kuva Labs Inc.
- Photo-immunoconjugate formulations and methods of treatment relating thereto16 Jun 2026US 12,653,902 B2University of Maryland, College Park
- Nanoemulsion with porphyrin shell26 May 2026US 12,636,384 B2University Health Network
- A combination therapy for cancer treatment8 Oct 2026US 2026/0306633 A1Purdue Research Foundation
- Benzoporphyrin analogs, conjugates, and methods of use thereof1 Oct 2026US 2026/0295049 A1
- Photoactivatable nanoparticles and uses thereof as agents for immunotherapy combinations1 Oct 2026US 2026/0295050 A1Board of Regents, The University of Texas System
- Photoimmunotherapy against exudative age-related macular degeneration24 Sep 2026US 2026/0284426 A1Tsubota Laboratory, Inc.
- Pyropheophorbide Analogues for Therapy and Diagnosis27 Aug 2026US 2026/0248828 A1RMW CHO Group Limited
Most cited
By later US patents
- Antibody-therapeutic agent conjugates288US 4,867,973 ACytogen Corporation · 1989
- Low intensity light therapy for the manipulation of fibroblast, and fibroblast-derived mammalian cells and collagen267US 6,676,655 B2Light BioScience, LLC · 2004
- Method and apparatus for acne treatment260US 6,887,260 B1Light BioScience, LLC · 2005
- Drugs comprising porphyrins188US 4,649,151 AHealth Research, Inc. · 1987
- In situ photodynamic therapy182US 5,257,970 AHealth Research, Inc. · 1993