C08L 5/08
Chitin
Official title: Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
C08L5/08 (Chitin) appears on 960 US grants and 1,526 published applications in this corpus.
Search patents in C08L- Granted patents
- 960
- Published applications
- 1,526
- Assignees
- 936
- Inventors
- 3,428
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 11 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 5 |
| 2002 | 10 | 11 |
| 2003 | 14 | 28 |
| 2004 | 11 | 20 |
| 2005 | 8 | 17 |
| 2006 | 10 | 27 |
| 2007 | 10 | 30 |
| 2008 | 1 | 36 |
| 2009 | 2 | 30 |
| 2010 | 14 | 47 |
| 2011 | 13 | 45 |
| 2012 | 32 | 54 |
| 2013 | 32 | 59 |
| 2014 | 35 | 53 |
| 2015 | 50 | 75 |
| 2016 | 41 | 74 |
| 2017 | 60 | 58 |
| 2018 | 42 | 83 |
| 2019 | 58 | 85 |
| 2020 | 47 | 77 |
| 2021 | 57 | 106 |
| 2022 | 61 | 99 |
| 2023 | 59 | 108 |
| 2024 | 57 | 120 |
| 2025 | 84 | 93 |
| 2026 | 46 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer compositions and coatings22 Sep 2026US 12,742,090 B2The Penn State Research Foundation
- Drug coated balloon1 Sep 2026US 12,721,977 B2Medtronic Vascular, Inc.
- Environmentally biodegradable compositions comprising an amino acid adduct, controlled release particles and compositions comprising same, and methods of making same1 Sep 2026US 12,723,125 B2Trucapsol LLC
- Anti-adhesive barrier membrane using alginate and hyaluronic acid for biomedical applications4 Aug 2026US 12,697,419 B2Board of Regents, The University of Texas System
- Bioink4 Aug 2026US 12,698,407 B2Tampere University Foundation sr
- Conjugates comprising an antibacterial agent and methods of using thereof24 Sep 2026US 2026/0284260 A1University of Massachusetts
- Hemp polymer materials and methods of making same24 Sep 2026US 2026/0286111 A1The Hemp Plastic Company
- Antimicrobial hemp polymer materials and methods of making same24 Sep 2026US 2026/0286112 A1The Hemp Plastic Company
- Biopolymer scaffolds and methods for production or use thereof17 Sep 2026US 2026/0273130 A1Bionova Medical, Inc.
- Method and apparatus for producing polyglutamic acid filler17 Sep 2026US 2026/0273133 A1
Most cited
By later US patents
- Non-adhesive elastic gelatin matrices1,357US 8,361,501 B2Covalon Technologies Inc. · 2013
- Biphasic osteochondral scaffold for reconstruction of articular cartilage780US 9,180,223 B2The Trustees of the Stevens Institute of Technology · 2015
- Drug delivery systems based on hyaluronans derivatives thereof and their salts and methods of producing same387US 5,128,326 ABiomatrix, Inc. · 1992
- Cross-linked gels of hyaluronic acid and products containing such gels319US 4,582,865 ABiomatrix, Inc. · 1986
- Water insoluble derivatives of hyaluronic acid258US 5,017,229 AGenzyme Corporation · 1991