C07D 311/42
With oxygen or sulfur atoms in positions 2 and 4
Official title: with oxygen or sulfur atoms in positions 2 and 4
C07D311/42 (With oxygen or sulfur atoms in positions 2 and 4) appears on 183 US grants and 152 published applications in this corpus.
Search patents in C07D- Granted patents
- 183
- Published applications
- 152
- Assignees
- 154
- Inventors
- 576
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 1 |
| 2002 | 3 | 6 |
| 2003 | 5 | 7 |
| 2004 | 4 | 12 |
| 2005 | 3 | 10 |
| 2006 | 4 | 5 |
| 2007 | 4 | 6 |
| 2008 | 3 | 6 |
| 2009 | 4 | 3 |
| 2010 | 6 | 2 |
| 2011 | 5 | 6 |
| 2012 | 4 | 5 |
| 2013 | 5 | 4 |
| 2014 | 2 | 7 |
| 2015 | 5 | 7 |
| 2016 | 5 | 6 |
| 2017 | 5 | 5 |
| 2018 | 3 | 15 |
| 2019 | 3 | 7 |
| 2020 | 7 | 8 |
| 2021 | 4 | 3 |
| 2022 | 5 | 7 |
| 2023 | 8 | 4 |
| 2024 | 2 | 3 |
| 2025 | 1 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Profragrance conjugates31 Mar 2026US 12,590,264 B2International Flavors & Fragrances Inc.
- Systems and methods for electrochromic molecules2 Dec 2025US 12,486,447 B2Wuxi Bozhi Huachuang Science and Technology Co., Ltd.
- Peptidomimetic-based antibody surrogate for HER210 Dec 2024US 12,162,874 B2University of South Florida
- PTPRD inhibitors and uses thereof21 May 2024US 11,987,564 B2Arizona Board of Regents on Behalf of the University of Arizona
- Method for synthesizing (RS)-Warfarin19 Dec 2023US 11,845,735 B2
- Methods for treating cancer14 May 2026US 2026/0130925 A1Genesis Molecular AI, Inc.
- Viscous composition for treating ischemia30 Apr 2026US 2026/0115253 A1National Cheng Kung University
- Inhibitors of bromodomain-containing protein 4 and phosphoinositide 3-kinase12 Mar 2026US 2026/0069599 A1Board of Regents of the University of Nebraska
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium11 Sep 2025US 2025/0283008 A1Resonac Corporation
- Compositions, methods, and systems for the synthesis and use of imaging agents29 May 2025US 2025/0170283 A1Lantheus Medical Imaging, Inc.
Most cited
By later US patents
- Derivatives of 6,8-difluoro-7-hydroxycoumarin122US 5,830,912 AMolecular Probes, Inc. · 1998
- Novobiocin analogues as neuroprotective agents and in the treatment of autoimmune disorders107US 7,622,451 B2University of Kansas · 2009
- Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides81US 6,316,486 B1Bayer Aktiengesellschaft · 2001
- Inhibitors of histone deacetylase67US 6,897,220 B2MethylGene Inc. · 2005
- Radiation sensitive plates65US 5,130,227 AVickers, Incorporated · 1992