A61F 2013/00931
Chitin
Official title: {chitin}
A61F2013/00931 (Chitin) appears on 39 US grants and 74 published applications in this corpus.
Search patents in A61F- Granted patents
- 39
- Published applications
- 74
- Assignees
- 33
- Inventors
- 153
- Latest grant
- 16 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 4 |
| 2005 | 0 | 4 |
| 2006 | 0 | 4 |
| 2007 | 4 | 9 |
| 2008 | 1 | 9 |
| 2009 | 1 | 6 |
| 2010 | 3 | 3 |
| 2011 | 0 | 6 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 3 | 0 |
| 2015 | 1 | 5 |
| 2016 | 0 | 5 |
| 2017 | 0 | 0 |
| 2018 | 3 | 4 |
| 2019 | 0 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wound dressing and a method for producing the same16 Apr 2024US 11,957,798 B2Omrix Biopharmaceuticals Ltd.
- Chitosan materials with entrapped enzyme and biocatalytic textiles and other biocatalytic materials comprising same21 Mar 2023US 11,607,345 B2North Carolina State University
- Delivery systems for control of gastrointestinal bleeding31 Jan 2023US 11,564,673 B2Oregon Health & Science University
- Wound dressing and a method for producing the same30 Aug 2022US 11,426,483 B2Omrix Biopharmaceuticals Ltd.
- Composition for a wound dressing13 Apr 2021US 10,973,691 B2Medtrade Products Limited
- Delivery systems for control of gastrointestinal bleeding9 Nov 2023US 2023/0355224 A1Oregon Health & Science University
- Wound dressing and a method for producing the same10 Nov 2022US 2022/0354986 A1Omrix Biopharmaceuticals Ltd.
- Delivery systems for control of gastrointestinal bleeding25 Feb 2021US 2021/0052261 A1Oregon Health & Science University
- Chitosan materials with entrapped enzyme and biocatalytic textiles and other biocatalytic materials comprising same3 Sep 2020US 2020/0276057 A1North Carolina State University
- Composition for a wound dressing25 Jun 2020US 2020/0197225 A1Medtrade Products Limited
Most cited
By later US patents
- Composite wound dressing1,398US 4,373,519 AMinnesota Mining and Manufacturing Company · 1983
- Wound dressing and method for controlling severe, life-threatening bleeding1,098US 7,371,403 B2Providence Health System-Oregon · 2008
- Water-swellable composite sheet of microfibers of PTFE and hydrophilic absorptive particles200US 4,460,642 AMinnesota Mining and Manufacturing Company · 1984
- Alginate wound dressing of good integrity88US 5,197,945 AMinnesota Mining and Manufacturing Company · 1993
- Methods for treating wound tissue and forming a supplemented fibrin matrix73US 7,196,054 B1American National Red Cross · 2007