C08B 37/0072
Hyaluronic acid, i.e. ha or hyaluronan
Official title: {Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates}
C08B37/0072 (Hyaluronic acid, i.e. ha or hyaluronan) appears on 697 US grants and 1,035 published applications in this corpus.
Search patents in C08B- Granted patents
- 697
- Published applications
- 1,035
- Assignees
- 511
- Inventors
- 1,977
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 3 |
| 2002 | 10 | 13 |
| 2003 | 18 | 12 |
| 2004 | 8 | 23 |
| 2005 | 9 | 21 |
| 2006 | 21 | 40 |
| 2007 | 5 | 20 |
| 2008 | 6 | 27 |
| 2009 | 12 | 39 |
| 2010 | 20 | 45 |
| 2011 | 18 | 46 |
| 2012 | 29 | 36 |
| 2013 | 35 | 57 |
| 2014 | 31 | 45 |
| 2015 | 31 | 53 |
| 2016 | 41 | 49 |
| 2017 | 26 | 39 |
| 2018 | 34 | 55 |
| 2019 | 33 | 53 |
| 2020 | 43 | 55 |
| 2021 | 37 | 54 |
| 2022 | 37 | 50 |
| 2023 | 19 | 60 |
| 2024 | 19 | 53 |
| 2025 | 32 | 49 |
| 2026 | 21 | 38 |
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.
- Hyaluronic acid derivative and use thereof29 Sep 2026US 12,746,306 B2Amtixbio Co., Ltd.
- Hyaluronic acid derivative, pharmaceutical composition, and hyaluronic acid derivative-drug complex15 Sep 2026US 12,735,513 B2Asahi Kasei Kabushiki Kaisha
- Modified hyaluronic acid as dopant for PEDOT and/or PProDOT polymers7 Jul 2026US 12,674,006 B2Centre National De La Recherche Scientifique
- Grafted polymer and use thereof16 Jun 2026US 12,655,286 B2Bausch + Lomb Ireland Limited
- Fatty acid-grafted hyaluronic acid, dermal filler formulations comprising same, process for preparation and use thereof1 Oct 2026US 2026/0295116 A1MERZ PHARMA GmbH & CO. KGaA
- Sulfated Glycosaminoglycan Biomaterials as Proteoglycan Mimics20 Aug 2026US 2026/0240897 A1Glycologix, Inc.
- Method for Preparing a Sterile Hydrogel Comprising a Cross-Linked or Non-Crosslinked Polysaccharide or a Mixture Thereof20 Aug 2026US 2026/0241069 A1Teoxane
- Facial and body filler formulations13 Aug 2026US 2026/0232868 A1Aq Skin Solutions Inc.
- Modified crosslinked polymers13 Aug 2026US 2026/0234310 A1LifeSprout, Inc.
Most cited
By later US patents
- Modified hyaluronic acid for use in musculoskeletal tissue repair805US 7,091,191 B2Ethicon, Inc. · 2006
- Collagen-polymer conjugates778US 5,162,430 ACollagen Corporation · 1992
- Gels for encapsulation of biological materials587US 5,858,746 ABoard of Regents, The University of Texas System · 1999
- Biologically inert, biocompatible-polymer conjugates521US 5,324,775 ACollagen Corporation · 1994
- Collagen-polymer conjugates471US 5,328,955 ACollagen Corporation · 1994