A61K 31/728
Hyaluronic acid
A61K31/728 (Hyaluronic acid) appears on 1,225 US grants and 2,256 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,225
- Published applications
- 2,256
- Assignees
- 997
- Inventors
- 3,366
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 7 | 0 |
| 1997 | 14 | 0 |
| 1998 | 16 | 0 |
| 1999 | 25 | 0 |
| 2000 | 22 | 0 |
| 2001 | 7 | 4 |
| 2002 | 14 | 14 |
| 2003 | 21 | 40 |
| 2004 | 6 | 40 |
| 2005 | 11 | 54 |
| 2006 | 12 | 65 |
| 2007 | 8 | 57 |
| 2008 | 11 | 56 |
| 2009 | 12 | 50 |
| 2010 | 23 | 74 |
| 2011 | 26 | 79 |
| 2012 | 35 | 77 |
| 2013 | 63 | 94 |
| 2014 | 66 | 134 |
| 2015 | 74 | 127 |
| 2016 | 74 | 100 |
| 2017 | 64 | 119 |
| 2018 | 67 | 125 |
| 2019 | 89 | 120 |
| 2020 | 70 | 139 |
| 2021 | 76 | 124 |
| 2022 | 78 | 130 |
| 2023 | 67 | 122 |
| 2024 | 50 | 126 |
| 2025 | 66 | 85 |
| 2026 | 42 | 101 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface treatment of contact lens and treatment of ocular discomfort by water soluble polymers and lipids/liposomes22 Sep 2026US 12,740,942 B2Yeda Research and Development Co. Ltd.
- Eye care composition containing l-ergothioneine, and preparation method therefor and use thereof15 Sep 2026US 12,734,154 B2Gene III Biotechnology Co., Ltd.
- Delayed release oral pharmaceutical composition8 Sep 2026US 12,728,097 B2Aihol Corporation
- Method of preparing hyaluronic acid nanoparticles8 Sep 2026US 12,728,100 B2Amorepacific Corporation
- Fibrous composite material8 Sep 2026US 12,728,101 B2The Electrospinning Company Ltd
- Novel glycan compounds for age-related macular degeneration8 Oct 2026US 2026/0306530 A1The Regents of the University of California
- Combination therapy comprising a composition of mesenchymal stromal cells and hyaluronic acid for use in treatment of osteoarthritis8 Oct 2026US 2026/0306547 A1Stempeutics Research Private Limited
- Surface modified ophthalmic devices1 Oct 2026US 2026/0294680 A1Bausch + Lomb Ireland Limited
- Composition for the treatment of osteoarthrosis1 Oct 2026US 2026/0294958 A1Abiogen Pharma S.P.A.
- Topical composition for the treatment of mucosal lesions with short gelling time1 Oct 2026US 2026/0294959 A1Inmedical Therapeutics, S.L.
Most cited
By later US patents
- Modified hyaluronic acid for use in musculoskeletal tissue repair805US 7,091,191 B2Ethicon, Inc. · 2006
- Biofunctional surface modified ocular implants, surgical instruments, medical devices, prostheses, contact lenses and the like367US 6,387,379 B1University of Florida · 2002
- Composition and method for treating inflammatory diseases218US 6,096,728 AAmgen Inc. · 2000
- Composition and method for the repair and regeneration of cartilage and other tissues193US 7,148,209 B2Ecole Polytechnique · 2006
- Chondroprotective/restorative compositions and methods of use thereof140US 6,924,273 B22005