A61L 2/23
Solid materials
Official title: Solid materials, e.g. granules, powders, blocks or tablets
A61L2/23 (Solid materials) appears on 627 US grants and 1,072 published applications in this corpus.
Search patents in A61L- Granted patents
- 627
- Published applications
- 1,072
- Assignees
- 584
- Inventors
- 1,980
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 4 |
| 2002 | 12 | 17 |
| 2003 | 19 | 28 |
| 2004 | 10 | 34 |
| 2005 | 10 | 53 |
| 2006 | 12 | 33 |
| 2007 | 13 | 45 |
| 2008 | 21 | 30 |
| 2009 | 7 | 40 |
| 2010 | 18 | 34 |
| 2011 | 18 | 35 |
| 2012 | 29 | 51 |
| 2013 | 27 | 31 |
| 2014 | 21 | 48 |
| 2015 | 19 | 38 |
| 2016 | 29 | 42 |
| 2017 | 36 | 45 |
| 2018 | 26 | 57 |
| 2019 | 40 | 57 |
| 2020 | 31 | 50 |
| 2021 | 30 | 59 |
| 2022 | 28 | 85 |
| 2023 | 40 | 60 |
| 2024 | 40 | 44 |
| 2025 | 37 | 32 |
| 2026 | 20 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Antimicrobial paint composition22 Sep 2026US 12,742,074 B2Kraton Corporation
- Chemical composition and method for microbial inhibiting25 Aug 2026US 12,714,108 B2
- Mask25 Aug 2026US 12,714,166 B2Amolifescience Co., Ltd.
- Viral disinfectant apparatus9 Jun 2026US 12,649,508 B2
- Method for microorganism growth inhibition9 Jun 2026US 12,649,669 B2Imam Abdulrahman Bin Faisal University
- Superhydrophobic antifouling coating compositions for releasing nitric oxide and applications thereof8 Oct 2026US 2026/0308399 A1University of Georgia Research Foundation, Inc.
- Self-adhesive sanitary product comprising alkyl polyglycoside8 Oct 2026US 2026/0308489 A1Henkel AG & Co. KGaA
- A multi-layer disinfection device for disinfecting a female medical connector3 Sep 2026US 2026/0257052 A1Becton, Dickinson and Company
- Antiviral electrospun fibers and methods of reducing airborne pathogen spread20 Aug 2026US 2026/0240266 A1University of Central Florida Research Foundation, Inc.
- Drainpipe biocide delivery apparatus30 Jul 2026US 2026/0216388 A1
Most cited
By later US patents
- Implantable or insertable medical device resistant to microbial growth and biofilm formation246US 6,887,270 B2Boston Scientific Scimed, Inc. · 2005
- Anti-microbial fiber and fibrous products217US 6,946,196 B2Foss Manufacturing Co., Inc. · 2005
- Titanium dioxide photo-catalyzer130US 5,919,422 AToyoda Gosei Co., Ltd. · 1999
- Microbial scrub brush126US 8,065,773 B2Bard Access Systems, Inc. · 2011
- Disinfecting caps for medical male luer connectors110US 8,231,587 B2Catheter Connections, Inc. · 2012