A61K 31/738
Cross-linked polysaccharides
A61K31/738 (Cross-linked polysaccharides) appears on 153 US grants and 223 published applications in this corpus.
Search patents in A61K- Granted patents
- 153
- Published applications
- 223
- Assignees
- 100
- Inventors
- 289
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 4 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 5 |
| 2007 | 0 | 5 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 2 | 11 |
| 2011 | 0 | 4 |
| 2012 | 10 | 12 |
| 2013 | 14 | 19 |
| 2014 | 10 | 12 |
| 2015 | 15 | 24 |
| 2016 | 7 | 14 |
| 2017 | 11 | 11 |
| 2018 | 13 | 12 |
| 2019 | 10 | 15 |
| 2020 | 9 | 11 |
| 2021 | 12 | 10 |
| 2022 | 6 | 14 |
| 2023 | 8 | 9 |
| 2024 | 3 | 8 |
| 2025 | 7 | 7 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hyperbranched polyglycerol polyglycidyl ether and its use as crosslinker for polysaccharides6 Oct 2026US 12,753,158 B2Biopolimeri S.R.L.
- Ecobiological treatment of side effects of radiotherapy15 Sep 2026US 12,734,272 B2Bionuclei
- Crosslinked butyrate or butyrate-formate derivatives of hyaluronic acid and the crosslinking thereof12 May 2026US 12,624,129 B2Bmg Pharma S.P.A.
- Use of materials made of cross-linked β-cyclodextrins for the treatment of tuberculosis3 Feb 2026US 12,539,312 B2Centre National de la Recherche Scientifique (CNRS)
- Method for deacetylation of biopolymers3 Feb 2026US 12,540,219 B2Galderma Holding SA
- Methods for generating alginate hydrogels and hydrogel systems1 Oct 2026US 2026/0294960 A1The Regents of the University of Michigan
- Facial and body filler formulations13 Aug 2026US 2026/0232868 A1Aq Skin Solutions Inc.
- Injectable homogeneous gels comprising multiple forms of hyaluronic acid and methods for manufacturing thereof6 Aug 2026US 2026/0224777 A1Allergan Pharmaceuticals International Limited
- Method for deacetylation of biopolymers18 Jun 2026US 2026/0167782 A1Galderma Holding SA
- Phosphate crosslinked starch nanoparticle and dental treatments19 Mar 2026US 2026/0076882 A1Greenmark Biomedical Inc.
Most cited
By later US patents
- Methods and compositions for inhibition of cell invasion and fibrosis using dextran sulfate137US 5,605,938 AGliatech, Inc. · 1997
- Cross-linking of low and high molecular weight polysaccharides preparation of injectable monophase hydrogels and polysaccharides and hydrogels thus obtained130US 7,741,476 B2Allergan Industrie, SAS · 2010
- Purified amniotic membrane compositions and methods of use97US 8,153,162 B2Tissuetech, Inc. · 2012
- Methods and compositions based on inhibition of cell invasion and fibrosis by anionic polymers96US 5,994,325 AGliatech, Inc. · 1999
- Amniotic membrane preparations and purified compositions and anti-inflammation methods67US 8,182,841 B2Tissue Tech, Inc. · 2012