C07C 309/78
Halides of sulfonic acids
C07C309/78 (Halides of sulfonic acids) appears on 190 US grants and 106 published applications in this corpus.
Search patents in C07C- Granted patents
- 190
- Published applications
- 106
- Assignees
- 117
- Inventors
- 456
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 2 |
| 2003 | 4 | 9 |
| 2004 | 4 | 7 |
| 2005 | 2 | 3 |
| 2006 | 3 | 6 |
| 2007 | 4 | 2 |
| 2008 | 1 | 5 |
| 2009 | 3 | 9 |
| 2010 | 3 | 4 |
| 2011 | 7 | 8 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 2 | 1 |
| 2015 | 4 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 6 |
| 2019 | 1 | 2 |
| 2020 | 3 | 5 |
| 2021 | 2 | 5 |
| 2022 | 4 | 1 |
| 2023 | 2 | 7 |
| 2024 | 2 | 7 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radioactive halogen labeling precursor compound14 Jul 2026US 12,679,818 B2Fukushima Medical University
- Perfluorosulfonyl monomers suitable for fluoropolymers and fuel cell membrane articles24 Jun 2025US 12,341,227 B23M Innovative Properties Company
- Electrolyte solution for lithium secondary battery and lithium secondary battery including same3 Jun 2025US 12,322,756 B2Hyundai Motor Company
- Affinity illudofulvene conjugates8 Apr 2025US 12,269,793 B2AF Chemicals, LLC
- Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods7 Jan 2025US 12,187,821 B2AGC Inc.
- Amino group eliminating agent, reaction product production method, reaction precursor, reaction precursor production method, and optically active reaction product production method24 Sep 2026US 2026/0285806 A1Mitsubishi Materials Electronic Chemicals Co., Ltd.
- Affinity illudofulvene conjugates25 Sep 2025US 2025/0296912 A1Illudent, Inc.
- Bioreactive compounds and methods of use thereof11 Sep 2025US 2025/0283138 A1The Regents of the University of California
- Naphthalenesulfonyl compounds, and preparation methods and applications29 Aug 2024US 2024/0286996 A1Fudan University
- Conjugate and the preparing method and use thereof8 Aug 2024US 2024/0261425 A1Nanjing University
Most cited
By later US patents
- Preparation of perfluorinated vinyl ethers having a sulfonyl fluoride end-group109US 6,624,328 B13M Innovative Properties Company · 2003
- Novel fluorinated copolymer with tridihydro fluorosulfonyl fluoride pendant groups and preparation thereof56US 4,329,435 AAsahi Kasei Kogyo Kabushiki Kaisha · 1982
- Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom56US 5,422,411 ABallard Power Systems Inc. · 1995
- Nonlinear optical materials containing polar disulfone-functionalized molecules56US 5,676,884 AMinnesota Mining and Manufacturing Company · 1997
- Fluorinated ionic sulfonylimides and sulfonylmethylides, process of preparing same and use thereof as photoinitiators49US 6,008,265 ACentre National De La Recherche Scientifique · 1999