A61K 9/70
Web, sheet or filament bases
Official title: Web, sheet or filament bases {; Films; Fibres of the matrix type containing drug (hollow drug-filled fibres A61K9/0092)}
A61K9/70 (Web, sheet or filament bases) appears on 5,224 US grants and 7,870 published applications in this corpus.
Search patents in A61K- Granted patents
- 5,224
- Published applications
- 7,870
- Assignees
- 2,942
- Inventors
- 11,746
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 12 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 15 | 0 |
| 1982 | 12 | 0 |
| 1983 | 10 | 0 |
| 1984 | 23 | 0 |
| 1985 | 13 | 0 |
| 1986 | 26 | 0 |
| 1987 | 53 | 0 |
| 1988 | 49 | 0 |
| 1989 | 73 | 0 |
| 1990 | 75 | 0 |
| 1991 | 64 | 0 |
| 1992 | 65 | 0 |
| 1993 | 81 | 0 |
| 1994 | 67 | 0 |
| 1995 | 77 | 0 |
| 1996 | 90 | 0 |
| 1997 | 111 | 0 |
| 1998 | 127 | 0 |
| 1999 | 134 | 0 |
| 2000 | 96 | 0 |
| 2001 | 128 | 51 |
| 2002 | 101 | 149 |
| 2003 | 114 | 238 |
| 2004 | 85 | 300 |
| 2005 | 61 | 276 |
| 2006 | 81 | 242 |
| 2007 | 47 | 258 |
| 2008 | 52 | 234 |
| 2009 | 36 | 258 |
| 2010 | 78 | 275 |
| 2011 | 99 | 319 |
| 2012 | 122 | 280 |
| 2013 | 165 | 299 |
| 2014 | 250 | 438 |
| 2015 | 237 | 374 |
| 2016 | 226 | 369 |
| 2017 | 234 | 362 |
| 2018 | 225 | 432 |
| 2019 | 210 | 402 |
| 2020 | 233 | 468 |
| 2021 | 261 | 408 |
| 2022 | 218 | 386 |
| 2023 | 187 | 325 |
| 2024 | 174 | 298 |
| 2025 | 200 | 248 |
| 2026 | 94 | 181 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pharmaceutical formulation comprising polymeric micro-/nanofibers incorporating echinochrome A29 Sep 2026US 12,746,213 B2National and Kapodistrian University of Athens
- Color-changing antibacterial nanofiber29 Sep 2026US 12,746,214 B2University of Manitoba
- Rapid disperse dosage form29 Sep 2026US 12,746,223 B2Aprecia Pharmaceuticals LLC
- Patch for alleviating or treating symptoms of neurodegenerative disease29 Sep 2026US 12,746,232 B2Nobelpharma AB
- Spinning solution, and alginate fiber comprising cannabidiol, method for producing the same, and use thereof22 Sep 2026US 12,740,946 B2Pell Bio-Med Technology Co., Ltd.
- Systems and methods for transderman patch delivery8 Oct 2026US 2026/0306421 A1
- Composition for kidney treatment using omentum, a medical kit for kidney treatment, including the same, and film for kidney treatment, including cured product thereof8 Oct 2026US 2026/0306550 A1Rokit Healthcare Inc.
- Pharmaceutical Composition for Vaccination against Cytomegalovirus Infections8 Oct 2026US 2026/0306606 A1Instar Technologies A.S.
- Transdermal Drug Delivery System1 Oct 2026US 2026/0294837 A1BioPhysics Pharma, Inc.
- Hydrogel patch for wound healing promotion or scar minimization1 Oct 2026US 2026/0294851 A1Ck Regeon Inc.
Most cited
By later US patents
- Analyte-controlled liquid delivery device and analyte monitor2,000US 5,800,420 AElan Medical Technologies Limited · 1998
- Analyte-controlled liquid delivery device and analyte monitor1,860US 5,807,375 AElan Medical Technologies Limited · 1998
- Drug releasing biodegradable fiber implant1,662US 6,596,296 B1Board of Regents, The University of Texas System · 2003
- Sustained release systems of ascorbic acid phosphate1,391US 8,034,363 B2Advanced Technologies and Regenerative Medicine, LLC · 2011
- Non-adhesive elastic gelatin matrices1,357US 8,361,501 B2Covalon Technologies Inc. · 2013