C01B 21/096
Amidosulfonic acid
Official title: Amidosulfonic acid; Salts thereof
C01B21/096 (Amidosulfonic acid) appears on 20 US grants and 16 published applications in this corpus.
Search patents in C01B- Granted patents
- 20
- Published applications
- 16
- Assignees
- 16
- Inventors
- 55
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrolyte composition, solvent composition, non-aqueous electrolyte, and use thereof28 Oct 2025US 12,456,753 B2Nippon Shokubai Co., Ltd.
- Sulfamyl fluoride compositions and processes for making sulfamyl fluoride compositions23 Sep 2025US 12,421,114 B2Honeywell International Inc.
- Sulfamic acid derivatives and processes for their preparation31 May 2022US 11,345,657 B2Hydro-Quebec
- Processes and intermediates for making sweet taste enhancers25 Feb 2020US 10,570,105 B2Firmenich SA
- Processes and intermediates for making sweet taste enhancers4 Jun 2019US 10,308,621 B2Senomyx, Inc.
- Process for preparation of sulfamoyl chloride30 Jul 2026US 2026/0217530 A1Firmenich SA
- Sulfamyl fluoride compositions and processes for making sulfamyl fluoride compositions11 Dec 2025US 2025/0376375 A1Honeywell International Inc.
- Sulfamyl fluoride compositions and processes for making sulfamyl fluoride compositions4 Aug 2022US 2022/0242731 A1Honeywell International Inc.
- Electrolyte composition, solvent composition, non-aqueous electrolyte, and use thereof28 Jul 2022US 2022/0238920 A1Nippon Shokubai Co., Ltd.
- Method for producing a lithium bis(fluorosulfonyl)imide salt24 Jun 2021US 2021/0188638 A1Arkema France
Most cited
By later US patents
- Processes and intermediates for making sweet taste enhancers14US 8,586,733 B2Senomyx, Inc. · 2013
- Processes and intermediates for making sweet taste enhancers8US 9,382,196 B2Senomyx, Inc. · 2016
- Sulfamic acid cleaning/stripping compositions comprising heteropolysaccharide thickening agents4US 5,431,839 ARhone-Poulenc Chimie · 1995
- Processes and intermediates for making sweet taste enhancers4US 9,732,052 B2Senomyx, Inc. · 2017
- Processes and intermediates for making sweet taste enhancers3US 10,087,154 B2Senomyx, Inc. · 2018