C07C 315/04
Preparation of sulfones: by reactions not involving the formation of sulfone or
Official title: by reactions not involving the formation of sulfone or sulfoxide groups
C07C315/04 (Preparation of sulfones: by reactions not involving the formation of sulfone or) appears on 330 US grants and 308 published applications in this corpus.
Search patents in C07C- Granted patents
- 330
- Published applications
- 308
- Assignees
- 241
- Inventors
- 1,077
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 0 |
| 2002 | 6 | 7 |
| 2003 | 6 | 13 |
| 2004 | 10 | 12 |
| 2005 | 5 | 17 |
| 2006 | 8 | 7 |
| 2007 | 12 | 11 |
| 2008 | 4 | 15 |
| 2009 | 7 | 11 |
| 2010 | 9 | 16 |
| 2011 | 7 | 15 |
| 2012 | 17 | 9 |
| 2013 | 8 | 15 |
| 2014 | 8 | 11 |
| 2015 | 15 | 16 |
| 2016 | 12 | 15 |
| 2017 | 12 | 21 |
| 2018 | 11 | 20 |
| 2019 | 23 | 8 |
| 2020 | 7 | 11 |
| 2021 | 10 | 17 |
| 2022 | 8 | 8 |
| 2023 | 6 | 9 |
| 2024 | 6 | 12 |
| 2025 | 3 | 6 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for preparing arylvinylsulphones28 Jul 2026US 12,692,224 B2Kemira Oyj
- Polythiol composition and optical composition comprising same12 May 2026US 12,624,149 B2SK Pucore Co., Ltd.
- Preparation of aromatic carbonyl compounds by catalytic oxidation with molecular oxygen24 Mar 2026US 12,583,828 B2BASF SE
- Glycoside compound, amidite compound, and production method for polynucleotide using said compounds30 Dec 2025US 12,509,481 B2Sumitomo Chemical Company, Limited
- 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
- Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis34US 6,794,534 B2California Institute of Technology · 2004
- Method for conducting organic reactions using guanidinium salt as phase transfer catalyst32US 5,132,423 AGeneral Electric Company · 1992
- Method for the production of crystalline forms and crystalline forms of optical enantiomers of modafinil30US 7,132,570 B2Cephalon France · 2006
- Preparation of aromatic amides from carbon monoxide, an amine and an aromatic chloride29US 5,672,750 AEastman Chemical Company · 1997
- Cyan dye-forming couplers and photographic materials containing same26US 4,775,616 AEastman Kodak Company · 1988