C07C 313/04
Sulfinic acids
Official title: Sulfinic acids; Esters thereof
C07C313/04 (Sulfinic acids) appears on 119 US grants and 85 published applications in this corpus.
Search patents in C07C- Granted patents
- 119
- Published applications
- 85
- Assignees
- 73
- Inventors
- 312
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 4 |
| 2003 | 3 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 3 | 10 |
| 2012 | 2 | 3 |
| 2013 | 5 | 7 |
| 2014 | 8 | 10 |
| 2015 | 9 | 5 |
| 2016 | 6 | 4 |
| 2017 | 5 | 4 |
| 2018 | 2 | 3 |
| 2019 | 2 | 5 |
| 2020 | 1 | 5 |
| 2021 | 4 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthesis of sulfonamide intermediates14 Oct 2025US 12,441,681 B2Amgen Inc.
- GPR40 agonists1 Apr 2025US 12,264,171 B2Kallyope, Inc.
- Method for preparing perfluoroalkyl sulfinate ester12 Dec 2023US 11,840,504 B2Soochow University
- Synergistically active composition12 Sep 2023US 11,753,526 B2L. BrüGgemann GmbH & Co. KG
- Therapeutic compounds and methods of use thereof28 Sep 2021US 11,130,726 B2Genentech, Inc.
- Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, and method for producing electronic device1 Jan 2026US 2026/0003268 A1FUJIFILM Corporation
- Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, method for producing electronic device, and onium salts16 Oct 2025US 2025/0321480 A1FUJIFILM Corporation
- Gpr40 agonists4 Sep 2025US 2025/0276989 A1Kallyope, Inc.
- Synthesis of Sulfonamide Intermediates9 Nov 2023US 2023/0357137 A1Amgen Inc.
- Gpr40 agonists15 Sep 2022US 2022/0289772 A1Kallyope, Inc.
Most cited
By later US patents
- 3-Amino-5-sulfonylbenzoic acids42US 3,953,476 AMerck & Co., Inc. · 1976
- Bis-stilbene compounds28US 3,984,399 ACiba-Geigy Corporation · 1976
- Process for preparation of fluorinated sulfinates25US 6,462,228 B13M Innovative Properties Company · 2002
- Substituted benzene derivatives useful as neuraminidase inhibitors22US 5,602,277 ABioCryst Pharmaceuticals, Inc. · 1997
- Reagent and process which are useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function22US 6,464,895 B2Rhodia Chimie · 2002