C07D 251/46
With oxygen or sulfur atoms attached to the two other ring carbon
Official title: with oxygen or sulfur atoms attached to the two other ring carbon atoms
C07D251/46 (With oxygen or sulfur atoms attached to the two other ring carbon) appears on 248 US grants and 127 published applications in this corpus.
Search patents in C07D- Granted patents
- 248
- Published applications
- 127
- Assignees
- 110
- Inventors
- 506
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 17 | 11 |
| 2003 | 5 | 16 |
| 2004 | 16 | 10 |
| 2005 | 3 | 6 |
| 2006 | 4 | 7 |
| 2007 | 9 | 10 |
| 2008 | 8 | 2 |
| 2009 | 1 | 3 |
| 2010 | 4 | 4 |
| 2011 | 4 | 6 |
| 2012 | 1 | 7 |
| 2013 | 5 | 4 |
| 2014 | 2 | 7 |
| 2015 | 8 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 2 | 6 |
| 2022 | 3 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 5 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CFTR regulators and methods of use thereof19 Aug 2025US 12,391,654 B2The Regents of the University of California
- Method for the industrial production of 2-halo-4,6-dialkoxy-1,3,5-triazines and their use in the presence of amines4 Feb 2025US 12,215,088 B2Crossing Srl
- Polyether group-containing compound27 Aug 2024US 12,071,511 B2Daikin Industries, Ltd.
- CFTR regulators and methods of use thereof20 Aug 2024US 12,065,412 B2The Regents of the University of California
- Sulfur-containing polymerizable monomer and use thereof19 Dec 2023US 11,844,847 B2Mitsui Chemicals, Inc.
- Novel tag for liquid-phase peptide synthesis17 Sep 2026US 2026/0274806 A1Cordenpharma International
- Cftr regulators and methods of use thereof16 Apr 2026US 2026/0103446 A1The Regents of the University of California
- Crosslinking agent for chlorinated butyl rubber6 Nov 2025US 2025/0340719 A1Kawaguchi Chemical Industry Co., Ltd.
- Cftr regulators and methods of use thereof3 Apr 2025US 2025/0109113 A1The Regents of the University of California
- Method for the industrial production of 2-halo-4,6-dialkoxy-1,3,5-triazines and their use in the presence of amines23 Jan 2025US 2025/0026728 A1Crossing Srl
Most cited
By later US patents
- Herbicidal sulfonamides124US 4,127,405 AE. I. Du Pont de Nemours and Company · 1978
- Herbicidal sulfonamides102US 4,169,719 AE. I. Du Pont de Nemours and Company · 1979
- Agricultural sulfonamides60US 4,383,113 AE. I. Du Pont de Nemours and Company · 1983
- N(Substituted phenylsulfonyl) N'(substituted cyumidin-2-yl) ureas58US 4,310,346 AE. I. Du Pont de Nemours and Company · 1982
- N,N′-substituted-1,3-diamino-2-hydroxypropane derivatives56US 7,176,242 B2Elan Pharmaceuticals, Inc. · 2007