A61L 15/32
Proteins, polypeptides
Official title: Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin {(A61L15/225 takes precedence)}
A61L15/32 (Proteins, polypeptides) appears on 630 US grants and 794 published applications in this corpus.
Search patents in A61L- Granted patents
- 630
- Published applications
- 794
- Assignees
- 482
- Inventors
- 1,650
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 19 | 0 |
| 1999 | 12 | 0 |
| 2000 | 21 | 0 |
| 2001 | 15 | 5 |
| 2002 | 16 | 28 |
| 2003 | 15 | 21 |
| 2004 | 19 | 25 |
| 2005 | 7 | 20 |
| 2006 | 9 | 25 |
| 2007 | 9 | 19 |
| 2008 | 7 | 32 |
| 2009 | 7 | 26 |
| 2010 | 13 | 26 |
| 2011 | 12 | 27 |
| 2012 | 21 | 27 |
| 2013 | 19 | 35 |
| 2014 | 22 | 35 |
| 2015 | 30 | 54 |
| 2016 | 27 | 50 |
| 2017 | 32 | 36 |
| 2018 | 26 | 41 |
| 2019 | 24 | 43 |
| 2020 | 31 | 46 |
| 2021 | 21 | 43 |
| 2022 | 27 | 39 |
| 2023 | 14 | 30 |
| 2024 | 19 | 23 |
| 2025 | 18 | 25 |
| 2026 | 16 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Biodegradable textile fibers with inherent color and properties18 Aug 2026US 12,709,640 B2The Trustees of Columbia University in the City of New York
- Procoagulant peptides and use thereof21 Jul 2026US 12,686,704 B2Rambam Med-Tech Ltd.
- Hydration-responsive shape-memory keratin composite fibers and fabrication methods thereof14 Jul 2026US 12,678,336 B2City University of Hong Kong
- Wound care treatment and methods of making and using same10 Sep 2026US 2026/0263660 A1Prime Merger Sub, LLC
- Wound dressing comprising a ph sensor composition and method of producing the same3 Sep 2026US 2026/0256979 A1Instituto PolitéCnico Da Guarda
- 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
- Gel containing bagworm silk and method for producing same9 Jul 2026US 2026/0193302 A1Kowa Company, Ltd.
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
- Thromboplastic system1,009US 6,447,799 B12002