A61L 26/0023
Polysaccharides
Official title: {Polysaccharides}
A61L26/0023 (Polysaccharides) appears on 389 US grants and 533 published applications in this corpus.
Search patents in A61L- Granted patents
- 389
- Published applications
- 533
- Assignees
- 373
- Inventors
- 1,083
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 4 | 8 |
| 2003 | 9 | 4 |
| 2004 | 1 | 9 |
| 2005 | 2 | 9 |
| 2006 | 1 | 7 |
| 2007 | 4 | 16 |
| 2008 | 0 | 6 |
| 2009 | 2 | 14 |
| 2010 | 8 | 5 |
| 2011 | 2 | 11 |
| 2012 | 4 | 18 |
| 2013 | 7 | 22 |
| 2014 | 21 | 24 |
| 2015 | 20 | 31 |
| 2016 | 17 | 39 |
| 2017 | 19 | 31 |
| 2018 | 19 | 35 |
| 2019 | 20 | 39 |
| 2020 | 13 | 31 |
| 2021 | 21 | 36 |
| 2022 | 31 | 20 |
| 2023 | 17 | 34 |
| 2024 | 25 | 36 |
| 2025 | 16 | 25 |
| 2026 | 15 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic antimicrobial hydrogel based on natural receptor-ligand recognition, and preparation method and use thereof7 Jul 2026US 12,673,130 B2Jiangsu University
- Grafted polymer and use thereof16 Jun 2026US 12,655,286 B2Bausch + Lomb Ireland Limited
- Acacia nilotica based hydrogel and method of making the same9 Jun 2026US 12,648,981 B1King Saud University
- Crosslinked alginic acid9 Jun 2026US 12,649,799 B2Mochida Pharmaceutical Co., Ltd.
- Mucoadhesive microgel compositions and methods for using the same2 Jun 2026US 12,642,839 B2Centre National De La Recherche Scientifique
- Poss viscoelastic hemostatic agents24 Sep 2026US 2026/0284254 A1Hybrid Plastics, Inc.
- High concentration hydrogels and related methods10 Sep 2026US 2026/0265466 A1Advanced Aesthetic Technologies, Inc.
- Porous 3d matrix based on polyelectrolyte complexes and uses thereof20 Aug 2026US 2026/0241065 A1Centre Hospitalier Universitaire De Toulouse
- Method for Preparing a Sterile Hydrogel Comprising a Cross-Linked or Non-Crosslinked Polysaccharide or a Mixture Thereof20 Aug 2026US 2026/0241069 A1Teoxane
- Spray patch composition, process for preparing it and kit16 Jul 2026US 2026/0199546 A1Fondazione Istituto Italiano Di Tecnologia
Most cited
By later US patents
- Dried hydrogel from hydrophilic-hygroscopic polymer1,241US 5,409,703 ACarrington Laboratories, Inc. · 1995
- Water-insoluble polysaccharide hydrogel foam for medical applications1,170US 5,089,606 AMinnesota Mining and Manufacturing Company · 1992
- Chitin hydrogels, methods of their production and use245US 6,124,273 AAmerican National Red Cross · 2000
- Delivery systems for pharmaceutical or therapeutic actives193US 4,946,870 AUnion Carbide Chemicals and Plastics Company Inc. · 1990
- Mucous membrane-adhering film preparation and process for its preparation150US 4,517,173 ANippon Soda Co., Ltd. · 1985