A61L 31/042
Polysaccharides
Official title: {Polysaccharides}
A61L31/042 (Polysaccharides) appears on 550 US grants and 727 published applications in this corpus.
Search patents in A61L- Granted patents
- 550
- Published applications
- 727
- Assignees
- 379
- Inventors
- 1,411
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 5 |
| 2002 | 7 | 12 |
| 2003 | 17 | 12 |
| 2004 | 12 | 23 |
| 2005 | 9 | 19 |
| 2006 | 9 | 21 |
| 2007 | 9 | 26 |
| 2008 | 10 | 19 |
| 2009 | 4 | 24 |
| 2010 | 17 | 28 |
| 2011 | 9 | 23 |
| 2012 | 17 | 34 |
| 2013 | 19 | 22 |
| 2014 | 20 | 38 |
| 2015 | 29 | 33 |
| 2016 | 22 | 51 |
| 2017 | 21 | 38 |
| 2018 | 26 | 42 |
| 2019 | 24 | 41 |
| 2020 | 27 | 38 |
| 2021 | 27 | 33 |
| 2022 | 17 | 44 |
| 2023 | 20 | 25 |
| 2024 | 27 | 38 |
| 2025 | 28 | 16 |
| 2026 | 15 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bioabsorbable medical material15 Sep 2026US 12,734,279 B2Kureha Corporation
- Method for making a heterogeneous breast phantom28 Jul 2026US 12,690,832 B2Imam Abdulrahman Bin Faisal University
- Tissue reinforcement material loader and tissue reinforcement material loading kit21 Jul 2026US 12,685,534 B2Gunze Limited
- Wearable physiological characteristic monitoring device14 Jul 2026US 12,678,073 B2Accenture Global Solutions Limited
- BioActive implant for reconstruction of bone defect, deformity, and NonUnion14 Jul 2026US 12,678,543 B2The Board of Trustees of the Leland Stanford Junior University
- Multi-layer electrospun micro/nanofibrous membranes based on marine sulfated polysaccharides for periodontal tissue/bone regeneration10 Sep 2026US 2026/0263663 A1National and Kapodistrian University of Athens
- Chitosan nerve guide with adhesion features20 Aug 2026US 2026/0240544 A1
- Nanofiber nerve caps to inhibit neuroma formation13 Aug 2026US 2026/0232320 A1The Johns Hopkins University
- Disulfide crosslinked hyaluronic acid gel for postoperative abdominal (pelvic) adhesion prevention and preparation method thereof6 Aug 2026US 2026/0224784 A1Bioregen Biomedical (Changzhou) Co., Ltd.
- Novel crosslinked alginic acid16 Jul 2026US 2026/0201078 A1Mochida Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Surgical fastener and means for applying same2,134US 4,402,445 AUnited States Surgical Corporation · 1983
- Methods for making biopolymer sponge tubes1,572US 6,835,336 B2Ethicon, Inc. · 2004
- Tissue thickness compensator comprising a plurality of capsules1,503US 9,301,752 B2Ethicon Endo-Surgery, Inc. · 2016
- Reinforced absorbable multilayered fabric for use in tissue repair and regeneration1,399US 7,749,204 B2Ethicon, Inc. · 2010
- Devices and methods for treating defects in the tissue of a living being1,347US 7,166,133 B2Kensey Nash Corporation · 2007