A61K 8/4933
Having sulfur as an exocyclic substituent
Official title: {having sulfur as an exocyclic substituent, e.g. pyridinethione}
A61K8/4933 (Having sulfur as an exocyclic substituent) appears on 234 US grants and 301 published applications in this corpus.
Search patents in A61K- Granted patents
- 234
- Published applications
- 301
- Assignees
- 103
- Inventors
- 678
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 0 |
| 2002 | 8 | 9 |
| 2003 | 6 | 11 |
| 2004 | 2 | 13 |
| 2005 | 7 | 10 |
| 2006 | 2 | 9 |
| 2007 | 4 | 7 |
| 2008 | 1 | 11 |
| 2009 | 3 | 14 |
| 2010 | 6 | 6 |
| 2011 | 7 | 11 |
| 2012 | 4 | 16 |
| 2013 | 7 | 27 |
| 2014 | 11 | 19 |
| 2015 | 10 | 15 |
| 2016 | 12 | 12 |
| 2017 | 5 | 14 |
| 2018 | 4 | 17 |
| 2019 | 10 | 14 |
| 2020 | 6 | 15 |
| 2021 | 11 | 9 |
| 2022 | 9 | 8 |
| 2023 | 4 | 12 |
| 2024 | 3 | 13 |
| 2025 | 6 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhancing photostability of thiopyridinone compound without the use of UV filters16 Jun 2026US 12,653,769 B2L'oreal
- Composition comprising compound of thiopyridinone type and polyglyceryl-based emulsifiers13 Jan 2026US 12,521,333 B2L'oreal
- Skin brightening compositions with thiopyridinone compound9 Dec 2025US 12,491,146 B1L'oreal
- Sulfate free personal cleansing composition comprising effective preservation4 Nov 2025US 12,458,575 B2The Procter & Gamble Company
- Proteolysis-targeting chimera molecule and preparation method and use thereof22 Apr 2025US 12,280,044 B2Guangzhou Medical University
- Process for the preparation of one or more compounds of thiopyridinone type16 Jul 2026US 2026/0200856 A1L'oreal
- Composition for skin anti-aging, skin brightening or skin reverse-aging containing amide-based compound28 May 2026US 2026/0144730 A1Amorepacific Corporation
- Stabilization of thiopyridinone compound and composition comprising same18 Dec 2025US 2025/0381115 A1L'oreal
- Solubilization of thiopyridinone compound and composition comprising same18 Dec 2025US 2025/0381116 A1
- Stabilization of thiopyridinone compound and composition comprising same11 Dec 2025US 2025/0375367 A1
Most cited
By later US patents
- Hair care compositions219US 4,379,753 AThe Procter & Gamble Company · 1983
- Pyridinethione salts and hair care compositions214US 4,345,080 AThe Procter & Gamble Company · 1982
- Shampoo compositions212US 4,470,982 AThe Procter & Gamble Company · 1984
- Process for making pyridinethione salts197US 4,323,683 AThe Procter & Gamble Company · 1982
- Mild, rinse-off antimicrobial liquid cleansing compositions which provide residual benefit versus gram negative bacteria159US 5,968,539 AThe Procter & Gamble Company · 1999