A61K 9/7092
Transdermal patches having multiple drug layers or reservoirs
Official title: {Transdermal patches having multiple drug layers or reservoirs, e.g. for obtaining a specific release pattern, or for combining different drugs}
A61K9/7092 (Transdermal patches having multiple drug layers or reservoirs) appears on 223 US grants and 294 published applications in this corpus.
Search patents in A61K- Granted patents
- 223
- Published applications
- 294
- Assignees
- 178
- Inventors
- 611
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 6 |
| 2004 | 4 | 14 |
| 2005 | 4 | 15 |
| 2006 | 1 | 5 |
| 2007 | 3 | 8 |
| 2008 | 3 | 10 |
| 2009 | 1 | 17 |
| 2010 | 1 | 9 |
| 2011 | 1 | 10 |
| 2012 | 3 | 9 |
| 2013 | 4 | 7 |
| 2014 | 13 | 13 |
| 2015 | 8 | 9 |
| 2016 | 11 | 9 |
| 2017 | 3 | 14 |
| 2018 | 7 | 34 |
| 2019 | 14 | 18 |
| 2020 | 11 | 12 |
| 2021 | 7 | 13 |
| 2022 | 8 | 23 |
| 2023 | 9 | 16 |
| 2024 | 7 | 6 |
| 2025 | 13 | 10 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transdermal patch of a portable ultrasound-generating system for improved delivery of therapeutic agents and associated methods of treatment8 Sep 2026US 12,728,102 B2NanoVibronix Inc
- Therapeutic system for the topical, transdermal and transcutaneous application of carbon monoxide12 May 2026US 12,622,880 B2Julius-Maximilians-Universitaet Wuerzburg
- Benefit agent delivery system utilizing an electric field6 Jan 2026US 12,514,949 B2E Ink Corporation
- System and method for controlling the humidity and pressure in a luminaire25 Nov 2025US 12,480,651 B2Robe Lighting s.r.o.
- Multilayer composite material21 Oct 2025US 12,447,134 B2Fidia Farmaceutici S. P. A.
- Transdermal drug delivery devices and methods24 Sep 2026US 2026/0284296 A1Morningside Venture Investments Limited
- Film-type patch and method of manufacturing same17 Sep 2026US 2026/0272718 A1Doctors Young and Young Incorporated
- Products of manufacture and therapeutic compositions for treating, ameliorating or preventing viral infections and methods for making and using them10 Sep 2026US 2026/0263473 A1Topelia Australia Ltd.
- Transdermal patch4 Jun 2026US 2026/0151381 A1Teh Seng Pharmaceutical Mfg, Co., Ltd.
- Methods and compositions for wound healing1 Jan 2026US 2026/0000805 A1Imbed Biosciences, Inc.
Most cited
By later US patents
- Transdermal administration of fentanyl and device therefor411US 4,588,580 AAlza Corporation · 1986
- Misuse-resistive transdermal opioid dosage form358US 5,149,538 AWarner-Lambert Company · 1992
- Medical bandage344US 3,996,934 AAlza Corporation · 1976
- Bandage for transdermally administering scopolamine to prevent nausea299US 4,031,894 AAlza Corporation · 1977
- Electronic transdermal drug delivery system212US 5,405,614 AInternational Medical Associates, Inc. · 1995