A61L 33/08
Polysaccharides
A61L33/08 (Polysaccharides) appears on 122 US grants and 117 published applications in this corpus.
Search patents in A61L- Granted patents
- 122
- Published applications
- 117
- Assignees
- 103
- Inventors
- 307
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 6 |
| 2003 | 5 | 5 |
| 2004 | 4 | 6 |
| 2005 | 2 | 6 |
| 2006 | 4 | 2 |
| 2007 | 2 | 7 |
| 2008 | 2 | 6 |
| 2009 | 2 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 3 |
| 2013 | 3 | 1 |
| 2014 | 3 | 6 |
| 2015 | 4 | 6 |
| 2016 | 5 | 6 |
| 2017 | 2 | 5 |
| 2018 | 3 | 7 |
| 2019 | 2 | 3 |
| 2020 | 6 | 10 |
| 2021 | 4 | 4 |
| 2022 | 5 | 5 |
| 2023 | 3 | 2 |
| 2024 | 3 | 7 |
| 2025 | 1 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tissue-plasminogen activator coated catheter with hydrogel-controlled elution8 Sep 2026US 12,728,185 B2Becton, Dickinson and Company
- Valve material with combined anti-clotting and anti-calcification properties and preparation method31 Mar 2026US 12,589,187 B2Jilin Venus Haoyue Medical Limited
- Anticoagulant compounds and methods and devices for their use13 Jan 2026US 12,521,258 B2Elixir Medical Corporation
- High anticoagulation ECMO and extracorporeal circulation consumable14 Jan 2025US 12,194,220 B2Wenzhou Safety (Emergency) Research Institute, Tianjin University
- Method for producing a fibrin-based bioartificial, primarily acellular construct, and the construct itself17 Dec 2024US 12,168,083 B2Gottfried Wilhelm Leibniz Universitat Hannover
- Medical device coatings and methods24 Sep 2026US 2026/0284279 A1SurModics, Inc.
- Nanostructured low-immunogenic biological artificial blood vessel and preparation method therefor7 May 2026US 2026/0124342 A1Humatrix Medical Technology (Suzhou) Co., Ltd.
- Transcatheter pulmonary flow restrictor13 Nov 2025US 2025/0345066 A1
- Modified alginates for anti-fibrotic materials and applications10 Jul 2025US 2025/0222177 A1Children's Medical Center Corporation
- Neurovascular implants and delivery systems19 Jun 2025US 2025/0195245 A1Imperative Care, Inc.
Most cited
By later US patents
- Directional drug delivery stent and method of use678US 6,071,305 AAlza Corporation · 2000
- Biodegradable coating with inhibitory properties for application to biocompatible materials443US 5,788,979 AInflow Dynamics Inc. · 1998
- Intravesical infuser299US 6,171,298 B2Situs Corporation · 2001
- Process for covalent coupling for the production of conjugates, and polysaccharide containing products thereby obtained193US 4,613,665 A1986
- Biocompatible, surface modified materials and method of making the same164US 5,326,584 ADrexel University · 1994