A61L 31/041
Mixtures of macromolecular compounds
Official title: {Mixtures of macromolecular compounds}
A61L31/041 (Mixtures of macromolecular compounds) appears on 623 US grants and 729 published applications in this corpus.
Search patents in A61L- Granted patents
- 623
- Published applications
- 729
- Assignees
- 399
- Inventors
- 1,324
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 14 | 0 |
| 1995 | 10 | 0 |
| 1996 | 17 | 0 |
| 1997 | 28 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 19 | 0 |
| 2001 | 8 | 7 |
| 2002 | 13 | 16 |
| 2003 | 13 | 13 |
| 2004 | 5 | 21 |
| 2005 | 10 | 20 |
| 2006 | 5 | 13 |
| 2007 | 9 | 21 |
| 2008 | 6 | 20 |
| 2009 | 3 | 24 |
| 2010 | 10 | 21 |
| 2011 | 8 | 25 |
| 2012 | 19 | 25 |
| 2013 | 25 | 31 |
| 2014 | 22 | 44 |
| 2015 | 33 | 55 |
| 2016 | 32 | 51 |
| 2017 | 39 | 42 |
| 2018 | 28 | 41 |
| 2019 | 23 | 47 |
| 2020 | 36 | 28 |
| 2021 | 30 | 31 |
| 2022 | 16 | 33 |
| 2023 | 25 | 34 |
| 2024 | 27 | 39 |
| 2025 | 18 | 18 |
| 2026 | 14 | 9 |
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
- 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
- Compositions including antimicrobial polymer-peptide conjugates and uses thereof9 Jun 2026US 12,648,571 B2University of Puerto Rico
- Medical device and method for manufacturing same2 Jun 2026US 12,642,892 B2Terumo Kabushiki Kaisha
- Composite, method for manufacturing same, and filler composition for molding, using same1 Oct 2026US 2026/0295126 A1Vaim Co., Ltd.
- 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
- Polymerizable absorbers of uv and high energy visible light6 Aug 2026US 2026/0226278 A1Johnson & Johnson Vision Care, Inc.
- Temperature-sensitive degradable gel for treating intrauterine adhesion and preparation method thereof16 Jul 2026US 2026/0199562 A1Xiangya Hospital Central South University
- Drug eluting implants and uses thereof9 Jul 2026US 2026/0191769 A1MUSC Foundation for Research Development
Most cited
By later US patents
- Absorbable surgical repair devices1,935US 5,342,395 AAmerican Cyanamid Company · 1994
- Water-swellable copolymers and articles and coatings made therefrom1,443US 7,935,773 B2Tyco Healthcare Group LP · 2011
- Non-adhesive elastic gelatin matrices1,357US 8,361,501 B2Covalon Technologies Inc. · 2013
- Vascular closure device1,319US 8,790,684 B2Cordis Corporation · 2014
- Injectable or implantable biomaterials for filling or blocking lumens and voids of the body846US 5,752,974 ACollagen Corporation · 1998