A61K 9/0026
Blood substitute
Official title: {Blood substitute; Oxygen transporting formulations; Plasma extender}
A61K9/0026 (Blood substitute) appears on 351 US grants and 233 published applications in this corpus.
Search patents in A61K- Granted patents
- 351
- Published applications
- 233
- Assignees
- 173
- Inventors
- 577
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 19 | 0 |
| 1996 | 16 | 0 |
| 1997 | 21 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 2 |
| 2002 | 14 | 13 |
| 2003 | 8 | 8 |
| 2004 | 3 | 10 |
| 2005 | 4 | 4 |
| 2006 | 1 | 8 |
| 2007 | 1 | 6 |
| 2008 | 3 | 5 |
| 2009 | 3 | 3 |
| 2010 | 2 | 12 |
| 2011 | 4 | 12 |
| 2012 | 2 | 9 |
| 2013 | 10 | 13 |
| 2014 | 10 | 8 |
| 2015 | 7 | 8 |
| 2016 | 9 | 7 |
| 2017 | 10 | 13 |
| 2018 | 8 | 17 |
| 2019 | 10 | 10 |
| 2020 | 3 | 11 |
| 2021 | 6 | 12 |
| 2022 | 6 | 11 |
| 2023 | 1 | 10 |
| 2024 | 1 | 7 |
| 2025 | 4 | 11 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blood substitutes comprising hemoglobin and methods of making24 Mar 2026US 12,582,703 B2VirTech Bio, Inc.
- Method to produce an immunoglobulin preparation with improved yield10 Feb 2026US 12,545,703 B2Takeda Pharmaceutical Company Limited
- Spray-dried blood products and methods of making same16 Sep 2025US 12,414,920 B2Velico Medical, Inc.
- Compositions and methods for restoring or increasing tissue perfusion24 Jun 2025US 12,337,012 B2Virginia Commonwealth University
- Hemoglobin derivative co-conjugated with fatty acid-linked PEG and alkoxy PEG as a blood substitute13 May 2025US 12,295,991 B2SunBio Inc.
- Polymerized hemoglobin size fractionated via tangential flow filtration30 Jul 2026US 2026/0216300 A1Ohio State Innovation Foundation
- Perfluorinated micelles and medical uses thereof16 Jul 2026US 2026/0199236 A1Centre National De La Recherche Scientifique
- Platelet-rich plasma compositions, preparation, and uses thereof5 Mar 2026US 2026/0061003 A1VetStem, Inc.
- Compositions and Methods for Treating Internal Bleeding and Hemorrhage4 Dec 2025US 2025/0367268 A1The Government of The United States, as represented by The Director of the Defense Health Agency
- O/w-emulsions comprising semifluorinated alkanes13 Nov 2025US 2025/0345276 A1Novaliq GmbH
Most cited
By later US patents
- Lung cancer hyperthermia via ultrasound and/or convection with perfiuorochemical liquids373US 5,158,536 ABiopulmonics, Inc. · 1992
- Apparatus for pulmonary delivery of drugs with simultaneous liquid lavage and ventilation371US 5,562,608 ABiopulmonics, Inc. · 1996
- Composition useful for in vivo delivery of biologics and methods employing same369US 5,498,421 AVivorx Pharmaceuticals, Inc. · 1996
- Pulmonary delivery of therapeutic agent333US 5,707,352 AAlliance Pharmaceutical Corp. · 1998
- Drug delivery compositions and methods311US 4,963,367 AMedaphore, Inc. · 1990