C07D 309/16
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only
Official title: having one double bond between ring members or between a ring member and a non-ring member
C07D309/16 (Heterocyclic compounds containing six-membered rings having one oxygen atom as the only) appears on 1,032 US grants and 636 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,032
- Published applications
- 636
- Assignees
- 441
- Inventors
- 2,432
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 14 | 0 |
| 1978 | 48 | 0 |
| 1979 | 14 | 0 |
| 1980 | 14 | 0 |
| 1981 | 32 | 0 |
| 1982 | 20 | 0 |
| 1983 | 15 | 0 |
| 1984 | 19 | 0 |
| 1985 | 17 | 0 |
| 1986 | 21 | 0 |
| 1987 | 12 | 0 |
| 1988 | 19 | 0 |
| 1989 | 44 | 0 |
| 1990 | 44 | 0 |
| 1991 | 34 | 0 |
| 1992 | 39 | 0 |
| 1993 | 29 | 0 |
| 1994 | 18 | 0 |
| 1995 | 20 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 25 | 2 |
| 2002 | 16 | 25 |
| 2003 | 22 | 26 |
| 2004 | 18 | 29 |
| 2005 | 10 | 45 |
| 2006 | 14 | 27 |
| 2007 | 23 | 40 |
| 2008 | 18 | 21 |
| 2009 | 15 | 28 |
| 2010 | 28 | 32 |
| 2011 | 16 | 28 |
| 2012 | 19 | 27 |
| 2013 | 26 | 32 |
| 2014 | 21 | 34 |
| 2015 | 38 | 34 |
| 2016 | 21 | 27 |
| 2017 | 27 | 24 |
| 2018 | 20 | 22 |
| 2019 | 17 | 22 |
| 2020 | 20 | 24 |
| 2021 | 16 | 21 |
| 2022 | 14 | 15 |
| 2023 | 8 | 13 |
| 2024 | 5 | 20 |
| 2025 | 11 | 12 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of making nicotinic acid derivatives29 Sep 2026US 12,747,211 B2Syngenta Crop Protection AG
- Compositions and methods for the treatment of viral infections10 Mar 2026US 12,569,565 B2Cidara Therapeutics, Inc.
- Actinic-ray-sensitive or radiation-sensitive resin composition, actinic-ray-sensitive or radiation-sensitive film, method for forming pattern, and method for producing electronic device27 Jan 2026US 12,535,734 B2FUJIFILM Corporation
- Scalable polypropionate lactone stereotetrads30 Dec 2025US 12,509,477 B2Akanocure Pharmaceuticals, Inc.
- HMG-CoA reductase degradation inducing compound25 Nov 2025US 12,479,840 B2Uppthera, Inc.
- Globodera pallida control agent20 Aug 2026US 2026/0240154 A1National Agriculture and Food Research Organization
- Continuous method for producing lactones23 Jul 2026US 2026/0209197 A1Massachusetts Institute of Technology
- Enzymes, cells, and methods for producing lactones9 Jul 2026US 2026/0193683 A1Manus Bio Inc.
- Compositions and methods for the treatment of viral infections23 Apr 2026US 2026/0108618 A1Cidara Therapeutics, Inc.
- Herbicidal malonic acid monoamides and malonamide esters1 Jan 2026US 2026/0000075 A1BASF SE
Most cited
By later US patents
- Hypocholesteremic fermentation products and process of preparation355US 4,231,938 AMerck & Co., Inc. · 1980
- ML-236B Derivatives and their preparation326US 4,346,227 ASankyo Company, Limited · 1982
- Antihypercholesterolemic compounds279US 4,444,784 AMerck & Co., Inc. · 1984
- Physiologically active substances207US 3,983,140 ASankyo Company, Limited · 1976
- Poly(carbonates)176US 4,079,038 AAlza Corporation · 1978