C07C 311/48
Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo
Official title: having nitrogen atoms of sulfonamide groups further bound to another hetero atom
C07C311/48 (Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo) appears on 363 US grants and 407 published applications in this corpus.
Search patents in C07C- Granted patents
- 363
- Published applications
- 407
- Assignees
- 273
- Inventors
- 1,248
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 22 | 5 |
| 2002 | 11 | 15 |
| 2003 | 14 | 28 |
| 2004 | 8 | 16 |
| 2005 | 11 | 15 |
| 2006 | 4 | 15 |
| 2007 | 4 | 11 |
| 2008 | 6 | 13 |
| 2009 | 7 | 14 |
| 2010 | 9 | 19 |
| 2011 | 15 | 25 |
| 2012 | 13 | 15 |
| 2013 | 12 | 14 |
| 2014 | 20 | 23 |
| 2015 | 24 | 18 |
| 2016 | 11 | 20 |
| 2017 | 18 | 20 |
| 2018 | 17 | 20 |
| 2019 | 20 | 12 |
| 2020 | 6 | 10 |
| 2021 | 8 | 19 |
| 2022 | 14 | 10 |
| 2023 | 9 | 19 |
| 2024 | 8 | 17 |
| 2025 | 11 | 9 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ionic liquid, electrolyte for secondary battery including ionic liquid, and secondary battery including electrolyte26 May 2026US 12,640,397 B2SK Innovation Co., Ltd.
- Resist topcoat composition, and method of forming patterns using the composition31 Mar 2026US 12,590,221 B2Samsung Electronics Co., Ltd.
- Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, method for manufacturing electronic device, and compound24 Mar 2026US 12,585,187 B2FUJIFILM Corporation
- Compound as a UBR box domain ligand24 Feb 2026US 12,559,455 B2Autotac Inc.
- Actinic ray-sensitive or radiation-sensitive resin composition, pattern forming method, resist film, method for manufacturing electronic device, compound, and method for producing compound17 Feb 2026US 12,554,196 B2FUJIFILM Corporation
- Photosensitive resin composition, method for producing resist pattern film, and method for producing plated formed product20 Aug 2026US 2026/0244095 A1Jsr Corporation
- Onium cation with ether linkages for zinc batteries20 Aug 2026US 2026/0245979 A1U.S. Government as represented by the Secretary of the Army
- Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, pattern forming method, and method for producing electronic device9 Jul 2026US 2026/0194813 A1FUJIFILM Corporation
- Protoporphyrinogen oxidase inhibitors12 Mar 2026US 2026/0068883 A1Enko Chem, Inc.
- Indazolyl-isoxazole derivatives for the treatment of diseases such as cancer12 Feb 2026US 2026/0042753 A1Merck Patent GmbH
Most cited
By later US patents
- Phenyl heterocycles as cox-2 inhibitors281US 5,474,995 AMerck Frosst Canada, Inc. · 1995
- Phenyl heterocycles as cox-2 inhibitors208US 5,550,142 AMerck Frosst Canada, Inc. · 1996
- Phenyl heterocycles as COX-2 inhibitors204US 5,536,752 AMerck Frosst Canada, Inc. · 1996
- Sulfinic acid adducts of organo nitroso compounds useful as retroviral inactivating agents anti-retroviral agents and anti-tumor agents132US 5,262,564 AOctamer, Inc. · 1993
- Electrolytes for electrooptic devices comprising ionic liquids72US 6,853,472 B2The Regents of the University of California · 2005