A61L 15/22
Containing macromolecular materials
Official title: containing macromolecular materials
A61L15/22 (Containing macromolecular materials) appears on 4,152 US grants and 4,741 published applications in this corpus.
Search patents in A61L- Granted patents
- 4,152
- Published applications
- 4,741
- Assignees
- 1,924
- Inventors
- 9,108
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 23 | 0 |
| 1978 | 29 | 0 |
| 1979 | 16 | 0 |
| 1980 | 32 | 0 |
| 1981 | 31 | 0 |
| 1982 | 32 | 0 |
| 1983 | 28 | 0 |
| 1984 | 33 | 0 |
| 1985 | 25 | 0 |
| 1986 | 39 | 0 |
| 1987 | 40 | 0 |
| 1988 | 45 | 0 |
| 1989 | 48 | 0 |
| 1990 | 35 | 0 |
| 1991 | 46 | 0 |
| 1992 | 45 | 0 |
| 1993 | 42 | 0 |
| 1994 | 47 | 0 |
| 1995 | 70 | 0 |
| 1996 | 74 | 0 |
| 1997 | 106 | 0 |
| 1998 | 131 | 0 |
| 1999 | 108 | 0 |
| 2000 | 115 | 0 |
| 2001 | 101 | 30 |
| 2002 | 114 | 120 |
| 2003 | 110 | 135 |
| 2004 | 89 | 148 |
| 2005 | 49 | 129 |
| 2006 | 43 | 109 |
| 2007 | 33 | 115 |
| 2008 | 32 | 122 |
| 2009 | 30 | 140 |
| 2010 | 67 | 132 |
| 2011 | 60 | 158 |
| 2012 | 99 | 191 |
| 2013 | 110 | 197 |
| 2014 | 139 | 254 |
| 2015 | 130 | 276 |
| 2016 | 157 | 274 |
| 2017 | 163 | 250 |
| 2018 | 133 | 271 |
| 2019 | 176 | 264 |
| 2020 | 186 | 284 |
| 2021 | 190 | 261 |
| 2022 | 152 | 251 |
| 2023 | 139 | 212 |
| 2024 | 153 | 173 |
| 2025 | 136 | 142 |
| 2026 | 97 | 103 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61L 15/28Polysaccharides or their derivatives1,261
- A61L 15/26Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds1,115
- A61L 15/24Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds1,008
- A61L 15/225Mixtures of macromolecular compounds754
- A61L 15/32Proteins, polypeptides630
- A61L 15/34Oils, fats, waxes or natural resins232
- A61L 15/30Rubbers or their derivatives15
Recent patents
- Wound dressing material and methods of making and using the same6 Oct 2026US 12,752,036 B2Solventum Intellectual Properties Company
- Color-changing antibacterial nanofiber29 Sep 2026US 12,746,214 B2University of Manitoba
- Personal hygiene product22 Sep 2026US 12,740,899 B2Croda International PLC
- Medical composition comprising adipose tissue-derived extracellular matrix and method for preparing same22 Sep 2026US 12,741,051 B2L&C Bio Co., Ltd.
- Ultrafine surface-treated fillers for thin breathable films22 Sep 2026US 12,742,058 B2Omya International AG
- Incision dressing8 Oct 2026US 2026/0306302 A1DeRoyal Industries, Inc.
- Non-woven of spunbonded thermoplastic filaments having improved weldability properties and method for manufacturing such a non-woven8 Oct 2026US 2026/0306698 A1Dounor SAS
- Superhydrophobic antifouling compositions and applications thereof8 Oct 2026US 2026/0306711 A1University of Georgia Research Foundation, Inc.
- Wound dressing1 Oct 2026US 2026/0295110 A1T.J. Smith and Nephew, Limited
- Flushable absorbent pad and combination with reusable chassis24 Sep 2026US 2026/0283865 A1W. Pelz GmbH & Co. KG
Most cited
By later US patents
- Process for manufacturing biomedical foams1,536US 6,355,699 B1Ethicon, Inc. · 2002
- Modifiable, semi-permeable, wound dressing1,535US 5,264,218 AC. R. Bard, Inc. · 1993
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- Method for preparing two-layer bicomposite collagen material for preventing post-operative adhesions1,500US 6,596,304 B1Imedex Biomateriaux · 2003