A61L 2300/00
Biologically active materials used in bandages, wound dressings, absorbent pads or medical
Official title: Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
A61L2300/00 (Biologically active materials used in bandages, wound dressings, absorbent pads or medical) appears on 10,081 US grants and 16,265 published applications in this corpus.
Search patents in A61L- Granted patents
- 10,081
- Published applications
- 16,265
- Assignees
- 4,910
- Inventors
- 22,695
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 1 | 0 |
| 1980 | 12 | 0 |
| 1981 | 11 | 0 |
| 1982 | 17 | 0 |
| 1983 | 13 | 0 |
| 1984 | 19 | 0 |
| 1985 | 11 | 0 |
| 1986 | 25 | 0 |
| 1987 | 28 | 0 |
| 1988 | 26 | 0 |
| 1989 | 38 | 0 |
| 1990 | 44 | 0 |
| 1991 | 63 | 0 |
| 1992 | 50 | 0 |
| 1993 | 58 | 0 |
| 1994 | 73 | 0 |
| 1995 | 73 | 0 |
| 1996 | 72 | 0 |
| 1997 | 108 | 0 |
| 1998 | 151 | 0 |
| 1999 | 112 | 0 |
| 2000 | 110 | 0 |
| 2001 | 141 | 66 |
| 2002 | 156 | 262 |
| 2003 | 180 | 358 |
| 2004 | 136 | 435 |
| 2005 | 110 | 582 |
| 2006 | 126 | 520 |
| 2007 | 136 | 618 |
| 2008 | 120 | 631 |
| 2009 | 127 | 584 |
| 2010 | 246 | 688 |
| 2011 | 334 | 637 |
| 2012 | 376 | 626 |
| 2013 | 431 | 680 |
| 2014 | 534 | 703 |
| 2015 | 564 | 903 |
| 2016 | 539 | 996 |
| 2017 | 598 | 821 |
| 2018 | 536 | 776 |
| 2019 | 559 | 837 |
| 2020 | 568 | 775 |
| 2021 | 463 | 793 |
| 2022 | 413 | 783 |
| 2023 | 391 | 636 |
| 2024 | 452 | 664 |
| 2025 | 450 | 538 |
| 2026 | 252 | 353 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61L 2300/40Biologically active materials used in bandages, wound dressings, absorbent pads or medicalIndexing code7,790
- A61L 2300/60Biologically active materials used in bandages, wound dressings, absorbent pads or medicalIndexing code3,845
- A61L 2300/20Containing or releasing organic materialsIndexing code3,359
- A61L 2300/10Containing or releasing inorganic materialsIndexing code1,504
- A61L 2300/80Biologically active materials used in bandages, wound dressings, absorbent pads or medicalIndexing code561
Recent patents
- Sponge assembly6 Oct 2026US 12,752,037 B2CFields, LLC
- Synergistic activity of novel compounds against planktonic and biofilm cells of clinically relevant pathogens6 Oct 2026US 12,752,038 B2SterileCare Inc.
- Fibrin hydrogels6 Oct 2026US 12,752,039 B2Mayo Foundation for Medical Education and Research
- Color-changing antibacterial nanofiber29 Sep 2026US 12,746,214 B2University of Manitoba
- Hydrogel systems for skeletal interfacial tissue regeneration applied to epiphyseal growth plate repair29 Sep 2026US 12,746,258 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Prosthetic Surgical Sling8 Oct 2026US 2026/0306237 A1
- Liquid embolic material composition8 Oct 2026US 2026/0306699 A1The Regents of the University of California
- Antimicrobial bone cement compositions: methods of making and using the same8 Oct 2026US 2026/0306700 A1Zonova Technologies Ltd
- Trodusquemine-coated balloon for targeted treatment of atherosclerosis8 Oct 2026US 2026/0306719 A1Bard Peripheral Vascular, Inc.
- Soluble biomolecular glass and use thereof8 Oct 2026US 2026/0306721 A1Institute of Process Engineering, Chinese Academy of Sciences
Most cited
By later US patents
- Dilating and support apparatus with disease inhibitors and methods for use1,862US 6,450,989 B2Artemis Medical, Inc. · 2002
- Drug releasing anastomosis devices and methods for treating anastomotic sites1,779US 7,108,701 B2Ethicon, Inc. · 2006
- Methods and apparatus for a coated anchoring device and/or suture1,702US 6,689,153 B1Orthopaedic Biosystems Ltd., Inc. · 2004
- Tissue thickness compensator comprising a plurality of medicaments1,690US 9,211,120 B2Ethicon Endo-Surgery, Inc. · 2015
- Surgical implant and method for controlled release of chemotherapeutic agents1,679US 5,290,271 A1994