C07D 309/32
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only
Official title: having two double bonds between ring members or between ring members and non-ring members
C07D309/32 (Heterocyclic compounds containing six-membered rings having one oxygen atom as the only) appears on 324 US grants and 218 published applications in this corpus.
Search patents in C07D- Granted patents
- 324
- Published applications
- 218
- Assignees
- 191
- Inventors
- 870
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 18 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 1 |
| 2002 | 9 | 11 |
| 2003 | 7 | 16 |
| 2004 | 8 | 14 |
| 2005 | 9 | 14 |
| 2006 | 10 | 7 |
| 2007 | 7 | 9 |
| 2008 | 4 | 7 |
| 2009 | 6 | 10 |
| 2010 | 11 | 16 |
| 2011 | 4 | 7 |
| 2012 | 12 | 11 |
| 2013 | 8 | 9 |
| 2014 | 11 | 10 |
| 2015 | 11 | 11 |
| 2016 | 7 | 9 |
| 2017 | 7 | 7 |
| 2018 | 7 | 8 |
| 2019 | 6 | 9 |
| 2020 | 9 | 8 |
| 2021 | 6 | 5 |
| 2022 | 7 | 6 |
| 2023 | 2 | 3 |
| 2024 | 1 | 4 |
| 2025 | 4 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated process for generating acid anhydrides26 May 2026US 12,637,405 B2Cleantech Building Materials PLC
- Liquid crystal aligning agent, liquid crystal alignment film, and display substrate28 Apr 2026US 12,612,554 B2Boe Technology Group Co., Ltd.
- Solvent applications of anhydromevalonolactone14 Apr 2026US 12,600,835 B2Visolis, Inc.
- 3-methylideneoxan-4-one compounds and substituted derivates thereof as inhibitors of telomerase7 Oct 2025US 12,435,055 B2Northwestern University
- Antibody drug conjugates9 Sep 2025US 12,410,148 B2Parma Mar, S.A.
- Solvent applications of anhydromevalonolactone11 Jun 2026US 2026/0159663 A1
- Solvent applications of anhydromevalonolactone15 Jan 2026US 2026/0015481 A1Visolis, Inc.
- Method for producing massoia lactone from liamocins1 Jan 2026US 2026/0002184 A1
- Antitumoral compounds31 Jul 2025US 2025/0243174 A1Pharma Mar, S. A.
- Aryl dihydropyran derivative or salt thereof, pest control agent containing same, and method for use thereof6 Mar 2025US 2025/0072421 A1Adeka Corporation
Most cited
By later US patents
- Dialkyl phenyl halide-substituted keto-enols for use as herbicides and pesticides89US 5,994,274 ABayer Aktiengesellschaft · 1999
- 2-amino-1,3-propanediol compound and immunosuppressant76US 5,604,229 ATaito Co., Ltd. · 1997
- 2,4,5-trisubstituted phenylketo-enols for use as pesticides and herbicides67US 6,110,872 ABayer Aktiengesellschaft · 2000
- Neprilysin inhibitors65US 8,481,044 B2Theravance, Inc. · 2013
- Herbicides64US 6,894,005 B1Syngenta Crop Protection AG · 2005