A61K 31/568
Substituted in positions 10 and 13 by a chain having at least
Official title: substituted in positions 10 and 13 by a chain having at least one carbon atom, e.g. androstanes, e.g. testosterone
A61K31/568 (Substituted in positions 10 and 13 by a chain having at least) appears on 973 US grants and 1,784 published applications in this corpus.
Search patents in A61K- Granted patents
- 973
- Published applications
- 1,784
- Assignees
- 666
- Inventors
- 2,088
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 16 | 0 |
| 1997 | 20 | 0 |
| 1998 | 36 | 0 |
| 1999 | 34 | 0 |
| 2000 | 23 | 0 |
| 2001 | 15 | 11 |
| 2002 | 21 | 43 |
| 2003 | 21 | 55 |
| 2004 | 6 | 69 |
| 2005 | 13 | 54 |
| 2006 | 5 | 36 |
| 2007 | 9 | 36 |
| 2008 | 7 | 37 |
| 2009 | 15 | 51 |
| 2010 | 15 | 58 |
| 2011 | 18 | 54 |
| 2012 | 23 | 65 |
| 2013 | 35 | 93 |
| 2014 | 52 | 107 |
| 2015 | 39 | 95 |
| 2016 | 64 | 109 |
| 2017 | 62 | 104 |
| 2018 | 40 | 97 |
| 2019 | 48 | 80 |
| 2020 | 62 | 97 |
| 2021 | 44 | 85 |
| 2022 | 35 | 70 |
| 2023 | 49 | 84 |
| 2024 | 43 | 72 |
| 2025 | 40 | 70 |
| 2026 | 34 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and composition for an improved bioavailability delivery system1 Sep 2026US 12,721,814 B2Americana Pharma LLC
- Dual chamber syringe for administering a hormone encapsulated by a hydrogel25 Aug 2026US 12,714,677 B2Vitalte Lifesciences Inc.
- Method of administering a hormone encapsulated by a hydrogel with a dual chamber syringe18 Aug 2026US 12,708,605 B2Vitalte Lifesciences Inc.
- Sulfated C19 steroid hormones to treat and/or prevent proteotoxicity in protein-aggregation diseases11 Aug 2026US 12,702,673 B2Universidad Pablo De Olavide
- Non-surgical prevention of boar taint and aggressive behavior4 Aug 2026US 12,697,342 B2Insigna Inc.
- 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.
- Use of compound in prevention or treatment of radiation-induced brain injury1 Oct 2026US 2026/0294933 A1Guangzhou Cellprotek Pharmaceutical Co., Ltd.
- Formulations of phospholipid carrier complexes24 Sep 2026US 2026/0283953 A1
- Lymph directing prodrugs24 Sep 2026US 2026/0284004 A1Monash University
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
- Compositions and methods for enhanced drug delivery256US 5,607,691 AAffymax Technologies N.V. · 1997
- Bioerodable film for delivery of pharmaceutical compounds to mucosal surfaces174US 5,800,832 AVirotex Corporation · 1998