A61L 15/325
Collagen
Official title: {Collagen}
A61L15/325 (Collagen) appears on 264 US grants and 320 published applications in this corpus.
Search patents in A61L- Granted patents
- 264
- Published applications
- 320
- Assignees
- 208
- Inventors
- 689
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 13 |
| 2003 | 6 | 9 |
| 2004 | 7 | 6 |
| 2005 | 3 | 9 |
| 2006 | 5 | 13 |
| 2007 | 2 | 8 |
| 2008 | 3 | 12 |
| 2009 | 2 | 3 |
| 2010 | 5 | 11 |
| 2011 | 7 | 7 |
| 2012 | 5 | 8 |
| 2013 | 8 | 13 |
| 2014 | 6 | 15 |
| 2015 | 13 | 26 |
| 2016 | 7 | 19 |
| 2017 | 14 | 10 |
| 2018 | 9 | 13 |
| 2019 | 11 | 18 |
| 2020 | 11 | 26 |
| 2021 | 6 | 19 |
| 2022 | 13 | 17 |
| 2023 | 9 | 16 |
| 2024 | 9 | 8 |
| 2025 | 7 | 14 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the production of biodegradable superabsorbent polymer with high absorbency under load based on styrene maleic acid copolymers and biopolymer15 Sep 2026US 12,734,270 B2Polygreen Ltd
- Long-term wear tissue interfaces for high-closure force negative-pressure therapy dressings25 Aug 2026US 12,714,608 B2Solventum Intellectual Properties Company
- Self-adhesive absorbable biological patch and preparation method and use thereof23 Jun 2026US 12,661,427 B2Beijing Biosis Healing Biological Technology Co., Ltd.
- Resorbable covering membrane for medical wound area treatment26 May 2026US 12,636,405 B2PolyMedics Innovations GmbH
- Dressings for reduced tissue ingrowth12 May 2026US 12,622,816 B2KCI Licensing, Inc.
- Jellyfish collagen use6 Aug 2026US 2026/0224641 A1Jellagen Limited
- Biological patch, preparation method therefor, and use thereof16 Jul 2026US 2026/0199554 A1Suzhou Microport Regenerative Medicine Technology Co. Ltd
- Crosslinked polymers and their uses7 May 2026US 2026/0125514 A1Centre National De La Recherche Scientifique
- Hydrolyzed collagen compositions for cartilage repair and methods of making and using the same30 Apr 2026US 2026/0115354 A1Rochal Technologies, LLC
- Functional wound healing dressings29 Jan 2026US 2026/0026975 A1Ambient Biosciences, Inc.
Most cited
By later US patents
- Method for preparing two-layer bicomposite collagen material for preventing post-operative adhesions1,500US 6,596,304 B1Imedex Biomateriaux · 2003
- Methods for sealing of staples and other fasteners in tissue1,424US 5,690,675 AFusion Medical Technologies, Inc. · 1997
- Non-adhesive elastic gelatin matrices1,357US 8,361,501 B2Covalon Technologies Inc. · 2013
- Methods for preparing biopolymer foams1,128US 5,948,429 ATissue Engineering, Inc. · 1999
- Multi-layer wound dressing426US 5,759,570 AJohnson & Johnson Medical, Inc. · 1998