C07C 315/00
Preparation of sulfones
Official title: Preparation of sulfones; Preparation of sulfoxides
C07C315/00 (Preparation of sulfones) appears on 621 US grants and 550 published applications in this corpus.
Search patents in C07C- Granted patents
- 621
- Published applications
- 550
- Assignees
- 394
- Inventors
- 1,800
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 14 | 0 |
| 1992 | 18 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 6 | 0 |
| 1997 | 23 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 0 |
| 2002 | 18 | 15 |
| 2003 | 12 | 22 |
| 2004 | 15 | 25 |
| 2005 | 11 | 25 |
| 2006 | 17 | 17 |
| 2007 | 22 | 20 |
| 2008 | 12 | 25 |
| 2009 | 14 | 20 |
| 2010 | 11 | 25 |
| 2011 | 16 | 27 |
| 2012 | 23 | 17 |
| 2013 | 10 | 26 |
| 2014 | 16 | 26 |
| 2015 | 26 | 27 |
| 2016 | 22 | 28 |
| 2017 | 23 | 27 |
| 2018 | 17 | 28 |
| 2019 | 30 | 15 |
| 2020 | 19 | 21 |
| 2021 | 19 | 28 |
| 2022 | 10 | 28 |
| 2023 | 11 | 18 |
| 2024 | 10 | 21 |
| 2025 | 11 | 10 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synthetic pathway to belzutifan18 Aug 2026US 12,709,595 B2Merck Sharp & Dohme Corp.
- Method for preparing arylvinylsulphones28 Jul 2026US 12,692,224 B2Kemira Oyj
- Method for separation of methionine sulfoxide diastereomers26 May 2026US 12,637,420 B2Caltech
- Polythiol composition and optical composition comprising same12 May 2026US 12,624,149 B2SK Pucore Co., Ltd.
- Process for synthesizing triarylmethane sulfone compounds7 Apr 2026US 12,595,228 B2Provepharm Life Solutions
- Method for producing organic lithium salt, composition containing said organic lithium salt, and polymer8 Oct 2026US 2026/0308118 A1Sumitomo Chemical Company, Limited
- Preparation method for 1-[2-chloro-3-(bromomethyl)-4-(methylsulfonyl)phenyl]ethanone and the use of same1 Oct 2026US 2026/0297023 A1Nutrichem Company Limited
- Method for preparing arylvinylsulphones10 Sep 2026US 2026/0265187 A1Kemira Oyj
- Intermolecular cyclopropanation of unsaturated hydrocarbons20 Aug 2026US 2026/0242327 A1The Penn State Research Foundation
- Phosphine ligands and their use in coupling reactions13 Aug 2026US 2026/0234175 A1BASF SE
Most cited
By later US patents
- Compounds containing a fused bicycle ring and processes therefor171US 5,508,272 ABristol-Myers Squibb Company · 1996
- Chiral catalysts and catalytic epoxidation catalyzed thereby74US 5,637,739 AResearch Corporation Technologies, Inc. · 1997
- Compounds72US 5,593,992 ASmithKline Beecham Corporation · 1997
- Pyridyl imidazole compounds and compositions63US 5,670,527 ASmithKline Beecham Corporation · 1997
- Imidazole compounds, use and process of making62US 5,593,991 A1997