C07D 309/28
With hetero atoms or with carbon atoms having three bonds to hetero
Official title: with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
C07D309/28 (With hetero atoms or with carbon atoms having three bonds to hetero) appears on 852 US grants and 510 published applications in this corpus.
Search patents in C07D- Granted patents
- 852
- Published applications
- 510
- Assignees
- 369
- Inventors
- 1,899
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 33 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 22 | 0 |
| 1982 | 18 | 0 |
| 1983 | 12 | 0 |
| 1984 | 19 | 0 |
| 1985 | 13 | 0 |
| 1986 | 18 | 0 |
| 1987 | 11 | 0 |
| 1988 | 14 | 0 |
| 1989 | 40 | 0 |
| 1990 | 41 | 0 |
| 1991 | 32 | 0 |
| 1992 | 36 | 0 |
| 1993 | 20 | 0 |
| 1994 | 17 | 0 |
| 1995 | 20 | 0 |
| 1996 | 19 | 0 |
| 1997 | 16 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 9 | 0 |
| 2001 | 22 | 2 |
| 2002 | 15 | 22 |
| 2003 | 20 | 24 |
| 2004 | 17 | 24 |
| 2005 | 10 | 38 |
| 2006 | 10 | 23 |
| 2007 | 20 | 29 |
| 2008 | 15 | 18 |
| 2009 | 11 | 20 |
| 2010 | 23 | 26 |
| 2011 | 13 | 20 |
| 2012 | 15 | 23 |
| 2013 | 20 | 29 |
| 2014 | 20 | 31 |
| 2015 | 32 | 26 |
| 2016 | 14 | 20 |
| 2017 | 20 | 17 |
| 2018 | 12 | 16 |
| 2019 | 13 | 18 |
| 2020 | 14 | 16 |
| 2021 | 13 | 16 |
| 2022 | 12 | 12 |
| 2023 | 8 | 11 |
| 2024 | 3 | 14 |
| 2025 | 8 | 9 |
| 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