C07C 303/34
Preparation of esters or amides of sulfuric acids: of amides of sulfuric
Official title: of amides of sulfuric acids
C07C303/34 (Preparation of esters or amides of sulfuric acids: of amides of sulfuric) appears on 34 US grants and 39 published applications in this corpus.
Search patents in C07C- Granted patents
- 34
- Published applications
- 39
- Assignees
- 35
- Inventors
- 139
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
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| 1992 | 0 | 0 |
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| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cluster compounds and methods of making the same1 Oct 2024US 12,103,906 B2Earth Science Laboratories
- Method for preparing 3,3′-diaminobenzidine14 May 2024US 11,981,616 B2Borun High-Tech Co., Ltd.
- Sulfamic acid derivatives and processes for their preparation31 May 2022US 11,345,657 B2Hydro-Quebec
- Prodrug modulators of the integrated stress pathway19 Oct 2021US 11,149,043 B2AbbVie Inc.
- Methods of hydrofluorination7 Jul 2020US 10,702,858 B2University of Louisville Research Foundation, Inc.
- Process for preparation of sulfamoyl chloride30 Jul 2026US 2026/0217530 A1Firmenich SA
- Method for manufacturing bis(halogeno sulfonyl)imide9 Apr 2026US 2026/0097960 A1Specialty Operations France
- Method for preparing a functionalised lithium salt11 Sep 2025US 2025/0282718 A1Arkema France
- Method for preparing benzylamine derivative through amination of benzylic c-h bond under visible light-induced nickel catalysis3 Apr 2025US 2025/0109098 A1Shanghai Ourchem Bio-Technology Co., Ltd.
- Synthesis of N,N-Dialkyl, -Dialkenyl, -Dialkynyl, and Related Cyclics, Sulfamoyl Fluoride Compounds Using Hydrogen Fluoride7 Nov 2024US 2024/0368075 A1SES Holdings Pte. Ltd.
Most cited
By later US patents
- Process for producing acesulfame potassium24US 9,024,016 B2Nutrinova Nutrition Specialists & Food Ingredients GmbH · 2015
- Process for the preparation of chlorosulfate and sulfamate derivatives of 2,3:4,5-bis-O-(1-methylethylidene)-.beta.-D-fructopyranose and (1-methylcyclohexyl)methanol21US 5,387,700 AMcNeilab, Inc. · 1995
- Method for the production of sulphamic acid halogenides11US 7,232,926 B2BASF SE · 2007
- Methods and intermediates for preparing pharmaceutical agents5US 8,497,396 B2Gilead Sciences, Inc. · 2013
- Methods and intermediates for preparing pharmaceutical agents4US 8,853,210 B2Gilead Sciences, Inc. · 2014