A61K 9/0019
Injectable compositions
Official title: {Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner (non-active ingredients are additionally classified in A61K47/00)}
A61K9/0019 (Injectable compositions) appears on 19,294 US grants and 35,556 published applications in this corpus.
Search patents in A61K- Granted patents
- 19,294
- Published applications
- 35,556
- Assignees
- 9,678
- Inventors
- 50,630
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 24 | 0 |
| 1978 | 30 | 0 |
| 1979 | 14 | 0 |
| 1980 | 24 | 0 |
| 1981 | 30 | 0 |
| 1982 | 28 | 0 |
| 1983 | 27 | 0 |
| 1984 | 34 | 0 |
| 1985 | 26 | 0 |
| 1986 | 39 | 0 |
| 1987 | 34 | 0 |
| 1988 | 37 | 0 |
| 1989 | 73 | 0 |
| 1990 | 70 | 0 |
| 1991 | 61 | 0 |
| 1992 | 77 | 0 |
| 1993 | 61 | 0 |
| 1994 | 71 | 0 |
| 1995 | 89 | 0 |
| 1996 | 96 | 0 |
| 1997 | 138 | 0 |
| 1998 | 183 | 0 |
| 1999 | 184 | 0 |
| 2000 | 150 | 0 |
| 2001 | 203 | 68 |
| 2002 | 181 | 309 |
| 2003 | 180 | 453 |
| 2004 | 157 | 536 |
| 2005 | 150 | 587 |
| 2006 | 204 | 651 |
| 2007 | 142 | 689 |
| 2008 | 162 | 717 |
| 2009 | 166 | 768 |
| 2010 | 326 | 936 |
| 2011 | 320 | 949 |
| 2012 | 487 | 967 |
| 2013 | 604 | 1098 |
| 2014 | 785 | 1322 |
| 2015 | 898 | 1403 |
| 2016 | 907 | 1850 |
| 2017 | 1041 | 1974 |
| 2018 | 1055 | 1928 |
| 2019 | 1202 | 2543 |
| 2020 | 1308 | 2696 |
| 2021 | 1374 | 2601 |
| 2022 | 1340 | 2360 |
| 2023 | 1200 | 2332 |
| 2024 | 1236 | 2146 |
| 2025 | 1235 | 2036 |
| 2026 | 799 | 1637 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymeric microstructures and systems and methods for making same6 Oct 2026US 12,751,914 B2The Board of Trustees of the Leland Stanford Junior University
- Ketamine formulation6 Oct 2026US 12,751,918 B2Fresenius Kabi USA, LLC
- Cell-receptor targeted exosomes6 Oct 2026US 12,751,930 B2City of Hope
- Parenteral treatments involving aminoadamantane derivatives6 Oct 2026US 12,751,934 B2Shinkei Therapeutics, Inc.
- Benzenesulfonamide derivatives and method for treating cancer6 Oct 2026US 12,751,936 B2Gongwin Biopharm Co., Ltd
- Hyaluronic acid hydrogels with agent to enhance resorption8 Oct 2026US 2026/0306398 A1Boston Scientific Scimed, Inc.
- Subcutaneous peptide delivery system8 Oct 2026US 2026/0306408 A1
- Methods of preventing post-traumatic osteoarthritis using metformin8 Oct 2026US 2026/0306428 A1
- Treprostinil prodrugs8 Oct 2026US 2026/0306438 A1United Therapeutics Corporation
- Compositions for the effective treatment of vitamin c deficiency-related diseases and other conditions8 Oct 2026US 2026/0306447 A1
Most cited
By later US patents
- Analyte-controlled liquid delivery device and analyte monitor2,000US 5,800,420 AElan Medical Technologies Limited · 1998
- Closed porous chambers for implanting tissue in a host1,958US 5,344,454 ABaxter International Inc. · 1994
- Analyte-controlled liquid delivery device and analyte monitor1,860US 5,807,375 AElan Medical Technologies Limited · 1998
- Surgical implant and method for controlled release of chemotherapeutic agents1,679US 5,290,271 A1994
- Drug releasing biodegradable fiber implant1,662US 6,596,296 B1Board of Regents, The University of Texas System · 2003