C07C 303/16
By oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo
Official title: by oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo or halosulfonyl groups
C07C303/16 (By oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo) appears on 35 US grants and 19 published applications in this corpus.
Search patents in C07C- Granted patents
- 35
- Published applications
- 19
- Assignees
- 28
- Inventors
- 95
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for producing surfactant having two head groups and a single tail group per molecule31 Jan 2023US 11,566,181 B2Tarim University
- Process for converting disulfides to conversion products and process for producing cysteic acid2 Aug 2022US 11,401,239 B1FXI, Inc.
- Process for the preparation of an alkanesulfonic acid7 Jul 2020US 10,703,715 B2Evonik Operations GmbH
- Process for operating a plant for preparing an alkanesulfonic acid3 Dec 2019US 10,494,331 B2Evonik Degussa GmbH
- Process for preparing an alkanesulphonic acid3 Sep 2019US 10,399,934 B2Evonik Degussa GmbH
- Process for producing alkyl sulfonic acid22 May 2025US 2025/0162984 A1BASF SE
- Method for enzymatic oxidation of sulfinic acids to sulfonic acids21 Dec 2023US 2023/0406817 A1Wacker Chemie AG
- Process for converting disulfides to conversion products and process for producing cysteic acid17 Nov 2022US 2022/0363627 A1FXI, Inc.
- Process for producing surfactant having two head groups and a single tail group per molecule17 Mar 2022US 2022/0080370 A1Tarim University
- Process for operating a plant for preparing an alkanesulfonic acid14 Mar 2019US 2019/0077748 A1Evonik Degussa GmbH
Most cited
By later US patents
- Purification of hydrochloric acid obtained as by-product in the synthesis of methanesulfonic acid27US 7,128,890 B2Arkema France · 2006
- Oxidation of organosulphur compounds18US 5,621,097 ASolvay Interox Limited · 1997
- Method of producing alkanesulfonic acid17US 6,531,629 B1BASF SE · 2003
- Process for production of alkanesulfonic acid14US 6,927,305 B2Council of Scientific and Industrial Research · 2005
- .beta.-Aminoethanesulphonylazide their use for the preparation of 2-aminoethane-sulphonamide (taurylamide), taurolidine or taurultam and their acid addition salts10US 5,889,183 A1999