A61L 31/145
Hydrogels or hydrocolloids
Official title: {Hydrogels or hydrocolloids}
A61L31/145 (Hydrogels or hydrocolloids) appears on 723 US grants and 1,020 published applications in this corpus.
Search patents in A61L- Granted patents
- 723
- Published applications
- 1,020
- Assignees
- 477
- Inventors
- 1,739
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 10 |
| 2002 | 20 | 29 |
| 2003 | 27 | 21 |
| 2004 | 6 | 24 |
| 2005 | 8 | 28 |
| 2006 | 15 | 38 |
| 2007 | 5 | 22 |
| 2008 | 7 | 25 |
| 2009 | 5 | 18 |
| 2010 | 18 | 22 |
| 2011 | 6 | 33 |
| 2012 | 11 | 36 |
| 2013 | 25 | 41 |
| 2014 | 24 | 38 |
| 2015 | 45 | 57 |
| 2016 | 38 | 54 |
| 2017 | 43 | 45 |
| 2018 | 37 | 54 |
| 2019 | 34 | 53 |
| 2020 | 48 | 58 |
| 2021 | 35 | 58 |
| 2022 | 28 | 66 |
| 2023 | 42 | 61 |
| 2024 | 31 | 51 |
| 2025 | 45 | 45 |
| 2026 | 23 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-based hydrogel blend coating and method of application to elastomeric articles22 Sep 2026US 12,741,065 B2Allegiance Corporation
- Tissue-mimicking hydrogel material8 Sep 2026US 12,728,184 B2University of Washington
- Biomaterial compositions and methods of delivery18 Aug 2026US 12,708,554 B2Contraline, Inc.
- Thiol-michael addition hydrogel-based brachytherapy system and methods comprising the same11 Aug 2026US 12,702,639 B2University of Virginia Patent Foundation
- 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
- Slippery organogels and methods for making and using the same8 Oct 2026US 2026/0306720 A1University of Georgia Research Foundation, Inc.
- Antimicrobial and/or radiopaque bulking agents8 Oct 2026US 2026/0306722 A1Boston Scientific Scimed, Inc.
- Soft and stretchable microelectrodes with tunable anisotropic properties1 Oct 2026US 2026/0295128 A1The Research Foundation for The State University of New York
- Self-assembling peptide hydrogels for treatment of fistulas1 Oct 2026US 2026/0295129 A1Gel4Med, Inc.
- Method for fabrication of additively manufactured, self-gelling structures and their use17 Sep 2026US 2026/0273146 A1Dimension Inx Corp
Most cited
By later US patents
- In situ polymerizable hydrogels2,015US 6,818,018 B1Incept, LLC · 2004
- Tissue thickness compensator comprising structure to produce a resilient load1,522US 9,220,500 B2Ethicon Endo-Surgery, Inc. · 2015
- Tissue thickness compensator comprising fibers to produce a resilient load1,499US 9,277,919 B2Ethicon Endo-Surgery, Inc. · 2016
- Tissue thickness compensator comprising resilient members1,456US 9,480,476 B2Ethicon Endo-Surgery, Inc. · 2016
- Tissue thickness compensator comprising a plurality of layers1,454US 9,433,419 B2Ethicon Endo-Surgery, Inc. · 2016