A61K 31/555
Containing heavy metals
Official title: containing heavy metals, e.g. hemin, hematin, melarsoprol
A61K31/555 (Containing heavy metals) appears on 1,626 US grants and 3,100 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,626
- Published applications
- 3,100
- Assignees
- 1,382
- Inventors
- 5,595
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 25 | 0 |
| 1999 | 28 | 0 |
| 2000 | 24 | 0 |
| 2001 | 28 | 10 |
| 2002 | 27 | 48 |
| 2003 | 33 | 68 |
| 2004 | 20 | 99 |
| 2005 | 17 | 104 |
| 2006 | 22 | 98 |
| 2007 | 12 | 119 |
| 2008 | 23 | 75 |
| 2009 | 18 | 81 |
| 2010 | 38 | 99 |
| 2011 | 46 | 87 |
| 2012 | 50 | 87 |
| 2013 | 49 | 147 |
| 2014 | 79 | 170 |
| 2015 | 87 | 155 |
| 2016 | 103 | 159 |
| 2017 | 100 | 207 |
| 2018 | 87 | 144 |
| 2019 | 111 | 166 |
| 2020 | 95 | 151 |
| 2021 | 96 | 138 |
| 2022 | 75 | 140 |
| 2023 | 65 | 141 |
| 2024 | 74 | 157 |
| 2025 | 76 | 146 |
| 2026 | 43 | 104 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low-odor water-soluble copper chlorophyllin and preparation method and use thereof29 Sep 2026US 12,747,255 B2Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd.
- Piperidine urea derivatives for cancer therapy15 Sep 2026US 12,734,164 B2NeuroPn Therapeutics, Inc.
- Inactivation of pathogens using metal-based coordination complexes, and methods and compositions for treating and preventing microbial and/or viral infections1 Sep 2026US 12,721,854 B2Theralase Technologies, Inc.
- Oral Pt (IV) anticancer prodrug containing 3-bromopyruvate as axial ligand1 Sep 2026US 12,721,855 B2Kunming Medical University
- Compounds for inhibition of inflammation25 Aug 2026US 12,714,716 B2Children's Medical Center Corporation
- Liposome compositions and medical uses thereof8 Oct 2026US 2026/0306404 A1
- Anti-inflammatory compounds, pharmaceutical compositions, and methods of treating hemochromatosis and other disorders8 Oct 2026US 2026/0308181 A1Miralogx LLC
- Injectable carboplatin formulations1 Oct 2026US 2026/0294790 A1Ingenus Pharmaceuticals, LLC
- Chromium containing compositions for improving health and fitness1 Oct 2026US 2026/0294932 A1Nutrition21, LLC
- Anti-cmet antibody1 Oct 2026US 2026/0297202 A1Pierre Fabre Medicament
Most cited
By later US patents
- Controlled local delivery of chemotherapeutic agents for treating solid tumors349US 5,626,862 AMassachusetts Institute of Technology · 1997
- Anti-angiogenic compositions and methods of use242US 6,544,544 B2Angiotech Pharmaceuticals, Inc. · 2003
- Anti-angiogenic compositions and methods of use150US 6,506,411 B2Angiotech Pharmaceuticals, Inc. · 2003
- Controlled local delivery of chemotherapeutic agents for treating solid tumors135US 5,651,986 AMassachusetts Institute of Technology · 1997
- Combinations and modes of administration of therapeutic agents and combination therapy131US 8,034,375 B2Abraxis BioScience, LLC · 2011