A61K 31/565
Not substituted in position 17 beta by a carbon atom
Official title: not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
A61K31/565 (Not substituted in position 17 beta by a carbon atom) appears on 2,539 US grants and 4,097 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,539
- Published applications
- 4,097
- Assignees
- 1,496
- Inventors
- 5,505
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 12 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 12 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 29 | 0 |
| 1990 | 21 | 0 |
| 1991 | 14 | 0 |
| 1992 | 17 | 0 |
| 1993 | 24 | 0 |
| 1994 | 17 | 0 |
| 1995 | 32 | 0 |
| 1996 | 57 | 0 |
| 1997 | 57 | 0 |
| 1998 | 75 | 0 |
| 1999 | 80 | 0 |
| 2000 | 58 | 0 |
| 2001 | 54 | 31 |
| 2002 | 53 | 104 |
| 2003 | 62 | 136 |
| 2004 | 30 | 177 |
| 2005 | 31 | 132 |
| 2006 | 25 | 108 |
| 2007 | 26 | 113 |
| 2008 | 26 | 115 |
| 2009 | 30 | 127 |
| 2010 | 48 | 123 |
| 2011 | 47 | 119 |
| 2012 | 61 | 140 |
| 2013 | 80 | 160 |
| 2014 | 102 | 225 |
| 2015 | 107 | 198 |
| 2016 | 112 | 210 |
| 2017 | 129 | 203 |
| 2018 | 95 | 204 |
| 2019 | 120 | 190 |
| 2020 | 134 | 230 |
| 2021 | 120 | 212 |
| 2022 | 97 | 186 |
| 2023 | 103 | 200 |
| 2024 | 100 | 160 |
| 2025 | 91 | 168 |
| 2026 | 62 | 126 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation for ethinylestradiol-cyclodextrin complex and use thereof15 Sep 2026US 12,734,178 B2National Research Institute for Family Planning
- Compositions and methods for increasing epithelial barrier function15 Sep 2026US 12,734,214 B2The Board of Trustees of the Leland Stanford Junior University
- Vaginal hydrogel8 Sep 2026US 12,728,166 B2
- Method and composition for an improved bioavailability delivery system1 Sep 2026US 12,721,814 B2Americana Pharma LLC
- Anti-aging composition with mTOR inhibitor for humans and other mammals1 Sep 2026US 12,721,822 B2
- Combination of capivasertib, a cdk4/6 inhibitor and fulvestrant for use in the treatment of breast cancer8 Oct 2026US 2026/0306495 A1
- Misoprostol formulation for non-oral administration8 Oct 2026US 2026/0306508 A1Conceptra Biosciences, LLC
- Process for preparing dispensable testosterone cream8 Oct 2026US 2026/0306510 A1Lawley Pharmaceuticals Pty Ltd.
- Methods for treating or preventing asthma by administering an il-4r antagonist8 Oct 2026US 2026/0306627 A1Regeneron Pharmaceuticals, Inc.
- Lysine acetyltransferase 6a (kat6a) inhibitor, combinations and uses thereof1 Oct 2026US 2026/0294884 A1Insilico Medicine IP Limited
Most cited
By later US patents
- Solid carriers for improved delivery of active ingredients in pharmaceutical compositions930US 6,248,363 B1Lipocine Inc. · 2001
- Solid carriers for improved delivery of active ingredients in pharmaceutical compositions684US 6,923,988 B2Lipocine Inc. · 2005
- Solid carriers for improved delivery of hydrophobic active ingredients in pharmaceutical compositions616US 6,569,463 B2Lipocine Inc. · 2003
- Pharmaceutical preparations containing cyclodextrin derivatives406US 4,727,064 AThe United States of America as represented by the Department of Health and Human Services · 1988
- Ocular therapeutic agent delivery devices and methods for making and using such devices277US 6,713,081 B2The United States of America as represented by the Department of Health and Human Services · 2004