C08B 37/0069
Chondroitin-4-sulfate, i.e. chondroitin sulfate a
Official title: {Chondroitin-4-sulfate, i.e. chondroitin sulfate A; Dermatan sulfate, i.e. chondroitin sulfate B or beta-heparin; Chondroitin-6-sulfate, i.e. chondroitin sulfate C; Derivatives thereof}
C08B37/0069 (Chondroitin-4-sulfate, i.e. chondroitin sulfate a) appears on 212 US grants and 263 published applications in this corpus.
Search patents in C08B- Granted patents
- 212
- Published applications
- 263
- Assignees
- 161
- Inventors
- 578
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 4 | 6 |
| 2004 | 2 | 9 |
| 2005 | 5 | 9 |
| 2006 | 5 | 8 |
| 2007 | 1 | 10 |
| 2008 | 1 | 10 |
| 2009 | 3 | 6 |
| 2010 | 2 | 14 |
| 2011 | 5 | 7 |
| 2012 | 8 | 14 |
| 2013 | 9 | 18 |
| 2014 | 13 | 9 |
| 2015 | 9 | 10 |
| 2016 | 3 | 13 |
| 2017 | 7 | 15 |
| 2018 | 7 | 13 |
| 2019 | 12 | 20 |
| 2020 | 13 | 14 |
| 2021 | 15 | 11 |
| 2022 | 10 | 11 |
| 2023 | 9 | 16 |
| 2024 | 5 | 7 |
| 2025 | 6 | 4 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low molecular weight chondroitin sulfate, composition, preparation method and use thereof12 May 2026US 12,624,128 B2Nanjing Hanxin Pharmaceutical Technology Co., Ltd.
- Approach to repair tissue defects by bonding injectable gels to native soft tissues3 Mar 2026US 12,564,661 B2Icahn School of Medicine at Mount Sinai
- Chondroitin sulfate polysaccharide, and semi-synthetic preparation method therefor and use thereof24 Feb 2026US 12,558,371 B2Institute of Materia Medica, Chinese Academy of Medical Sciences
- Method for deacetylation of biopolymers3 Feb 2026US 12,540,219 B2Galderma Holding SA
- High water content biomedical devices30 Dec 2025US 12,509,542 B2Bausch + Lomb Ireland Limited
- Preparation Method for Sodium Chondroitin Sulfate and Use Thereof24 Sep 2026US 2026/0286014 A1Jiangnan University
- Haina polysaccharide and preparation method and use thereof, and anticoagulant drug and/or antithrombotic drug targeting intrinsic coagulation pathway27 Aug 2026US 2026/0248841 A1Harbin Hongdoushan Bio-Pharm Co., Ltd.
- Polysaccharide-based macromolecule cross-linking agent, polysaccharide-based biological material, and preparation method therefor and use thereof30 Jul 2026US 2026/0217923 A1Shanghai Jiaotong University
- Method for deacetylation of biopolymers18 Jun 2026US 2026/0167782 A1Galderma Holding SA
- Chondroitin sulfate polysaccharide, and semi-synthetic preparation method therefor and use thereof4 Jun 2026US 2026/0151426 A1Institute of Materia Medica, Chinese Academy of Medical Sciences
Most cited
By later US patents
- Collagen-polymer conjugates778US 5,162,430 ACollagen Corporation · 1992
- Biologically inert, biocompatible-polymer conjugates521US 5,324,775 ACollagen Corporation · 1994
- Collagen-polymer conjugates471US 5,328,955 ACollagen Corporation · 1994
- Collagen-based bioadhesive compositions288US 5,614,587 ACollagen Corporation · 1997
- Glycosaminoglycan-synthetic polymer conjugates284US 5,510,418 ACollagen Corporation · 1996