A61K 8/23
Sulfur
Official title: Sulfur; Selenium; Tellurium; Compounds thereof
A61K8/23 (Sulfur) appears on 652 US grants and 857 published applications in this corpus.
Search patents in A61K- Granted patents
- 652
- Published applications
- 857
- Assignees
- 308
- Inventors
- 1,703
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 23 | 0 |
| 1998 | 16 | 0 |
| 1999 | 20 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 3 |
| 2002 | 16 | 18 |
| 2003 | 17 | 29 |
| 2004 | 7 | 29 |
| 2005 | 8 | 22 |
| 2006 | 10 | 31 |
| 2007 | 6 | 32 |
| 2008 | 4 | 16 |
| 2009 | 9 | 18 |
| 2010 | 16 | 26 |
| 2011 | 7 | 24 |
| 2012 | 9 | 19 |
| 2013 | 23 | 28 |
| 2014 | 17 | 35 |
| 2015 | 14 | 33 |
| 2016 | 21 | 43 |
| 2017 | 28 | 78 |
| 2018 | 25 | 37 |
| 2019 | 25 | 44 |
| 2020 | 41 | 38 |
| 2021 | 35 | 45 |
| 2022 | 26 | 57 |
| 2023 | 28 | 53 |
| 2024 | 23 | 38 |
| 2025 | 25 | 24 |
| 2026 | 18 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oral and intestinal health products6 Oct 2026US 12,751,985 B2
- Method of manufacturing a detangler conditioner for hair29 Sep 2026US 12,746,196 B2
- Aqueous oral care iodide-containing compositions, methods, and kits25 Aug 2026US 12,714,656 B2Solventum Intellectual Properties Company
- Composition for skin external application25 Aug 2026US 12,714,663 B2Kao Corporation
- Hair colorant compositions21 Jul 2026US 12,685,705 B2
- Composition comprising biosurfactant and manganese8 Oct 2026US 2026/0306388 A1Evonik Operations GmbH
- Dyeing product for keratin fibers comprising ammonium salts1 Oct 2026US 2026/0294754 A1Kao Corporation
- Bleaching medium containing a photosensitizer1 Oct 2026US 2026/0294760 A1Wella Germany GmbH
- Composition For an Organic Skin Moisturizer24 Sep 2026US 2026/0283936 A1
- Method for producing a preserved cosmetic water-in-oil emulsion from a glycerin-in-oil emulsion10 Sep 2026US 2026/0263330 A1Beiersdorf AG
Most cited
By later US patents
- Antidandruff shampoos containing metallic cation complex to reduce in-use sulfide odor144US 4,089,945 AThe Procter & Gamble Company · 1978
- Clear, two-phase, foam-forming aerosol hair care product134US 6,589,509 B2Wella Aktiengesellschaft · 2003
- Shampoo compositions122US 4,885,107 AThe Procter & Gamble Company · 1989
- Hemostatic compositions for treating soft tissue118US 5,785,955 A1998
- Compositions, methods and kits for reductively removing color from dyed hair112US 6,171,347 B2Wella Aktiengesellschaft · 2001