C07C 309/04
Containing only one sulfo group
Official title: containing only one sulfo group
C07C309/04 (Containing only one sulfo group) appears on 267 US grants and 408 published applications in this corpus.
Search patents in C07C- Granted patents
- 267
- Published applications
- 408
- Assignees
- 237
- Inventors
- 1,188
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 3 | 8 |
| 2010 | 5 | 8 |
| 2011 | 6 | 10 |
| 2012 | 4 | 15 |
| 2013 | 6 | 22 |
| 2014 | 15 | 20 |
| 2015 | 20 | 20 |
| 2016 | 23 | 34 |
| 2017 | 24 | 30 |
| 2018 | 23 | 32 |
| 2019 | 22 | 22 |
| 2020 | 21 | 32 |
| 2021 | 18 | 16 |
| 2022 | 14 | 31 |
| 2023 | 11 | 27 |
| 2024 | 16 | 36 |
| 2025 | 8 | 23 |
| 2026 | 15 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crystalline form, and process for its production11 Aug 2026US 12,703,688 B1Alterity Therapeutics Limited
- Salts of pyridinylmethylenepiperidine derivatives and uses thereof23 Jun 2026US 12,662,462 B2Sunshine Lake Pharma Co., Ltd.
- Crystalline form of fluvatinib or fluvatinib methanesulfonate and preparation method therefor2 Jun 2026US 12,643,861 B2Chongqing Pharmaceutical Research Institute Co., Ltd.
- Pharmaceutically acceptable salts of sepiapterin26 May 2026US 12,637,465 B2PTC Therapeutics MP, Inc.
- Salts of nitrogen-containing heterocyclic compound, and solid forms of salts, pharmaceutical composition and use thereof26 May 2026US 12,637,470 B2Wuhan Humanwell Innovative Drug Research and Development Center Limited Company
- Crystalline forms of 3-(5,7-difluoro-4-oxo-1,4-dihydroquinolin-2-yl)-4-(methylsulfonyl)benzonitrile8 Oct 2026US 2026/0308126 A1
- Salt form and crystal form of thienopyrimidine compound, and preparation method therefor and use thereof24 Sep 2026US 2026/0285874 A1Shandong Luye Pharmaceutical Co., Ltd.
- Pharmaceutically acceptable salt and crystal form of 1,4-dihydro-1,6-naphthyridine amide compound and preparation method therefor10 Sep 2026US 2026/0265249 A1Jiangsu Hengrui Pharmaceuticals Co., Ltd.
- Methods and compositions for treatment of obesity and diseases associated with fat cell enlargement6 Aug 2026US 2026/0224530 A1MelliCell, Inc.
- Crystal form of alk inhibitor or salt and solvate thereof, preparation method therefor, and use thereof30 Jul 2026US 2026/0217692 A1
Most cited
By later US patents
- Crystalline forms of a purine derivative99US 8,889,861 B2Cyclacel Limited · 2014
- Substituted 5-fluoro-1H-pyrazolopyridines and their use48US 8,420,656 B2Bayer Intellectual Property GmbH · 2013
- Salt forms of a xanthine compound44US 8,865,729 B2Boehringer Ingelheim International GmbH · 2014
- Salt forms of 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthine34US 9,212,183 B2Boehringer Ingelheim International GmbH · 2015
- Phenothiazine diaminium salts and their use31US 9,283,230 B2WisTa Laboratories Ltd. · 2016