C07D 215/56
With oxygen atoms in position 4
Official title: with oxygen atoms in position 4
C07D215/56 (With oxygen atoms in position 4) appears on 594 US grants and 439 published applications in this corpus.
Search patents in C07D- Granted patents
- 594
- Published applications
- 439
- Assignees
- 268
- Inventors
- 1,536
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 20 | 0 |
| 1989 | 20 | 0 |
| 1990 | 23 | 0 |
| 1991 | 21 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 19 | 0 |
| 1997 | 21 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 1 |
| 2002 | 13 | 11 |
| 2003 | 10 | 13 |
| 2004 | 9 | 22 |
| 2005 | 6 | 19 |
| 2006 | 5 | 21 |
| 2007 | 10 | 20 |
| 2008 | 14 | 17 |
| 2009 | 9 | 15 |
| 2010 | 9 | 21 |
| 2011 | 13 | 16 |
| 2012 | 12 | 18 |
| 2013 | 24 | 29 |
| 2014 | 30 | 40 |
| 2015 | 22 | 27 |
| 2016 | 12 | 21 |
| 2017 | 10 | 24 |
| 2018 | 9 | 12 |
| 2019 | 12 | 15 |
| 2020 | 10 | 19 |
| 2021 | 12 | 12 |
| 2022 | 11 | 10 |
| 2023 | 6 | 13 |
| 2024 | 5 | 12 |
| 2025 | 5 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crystal form of quinolinone compound and use thereof25 Aug 2026US 12,715,846 B2Sunshine Lake Pharma Co., Ltd.
- Quinoline derivatives24 Feb 2026US 12,559,481 B2Elanco Animal Health GmbH
- Oral liquid composition comprising ivacaftor20 May 2025US 12,303,502 B2Kinedexe UK Limited
- Antiviral prodrugs and nanoformulations thereof25 Mar 2025US 12,257,306 B2Board of Regents of the University of Nebraska
- Preparation methods of quinolone compounds and intermediates thereof18 Mar 2025US 12,252,473 B2Chongqing University of Arts and Sciences
- New phenylquinolone compound having antibacterial and anti-cancer functions and preparation thereof6 Aug 2026US 2026/0224555 A1AlphaMol Science Ltd (Shanghai)
- Allosteric modulation of muscarinic acetylcholine receptor efficacy23 Apr 2026US 2026/0109674 A1The Penn State Research Foundation
- Compounds, compositions, and methods for modulating cftr19 Mar 2026US 2026/0078136 A1Proteostasis Therapeutics, Inc.
- Antiviral prodrugs and nanoformulations thereof12 Mar 2026US 2026/0069698 A1Board of Regents of the University of Nebraska
- Herbicidal quinolone derivatives1 Jan 2026US 2026/0001847 A1Syngenta Crop Protection AG
Most cited
By later US patents
- Substituted 3-cyano quinolines164US 6,002,008 AAmerican Cyanamid Company · 1999
- Modulators of ATP-binding cassette transporters157US 7,495,103 B2Vertex Pharmaceuticals Incorporated · 2009
- (Acyloxyalkoxy)carbonyl derivatives as bioreversible prodrug moieties for primary and secondary amine functions in drugs119US 4,760,057 AMerck & Co., Inc. · 1988
- Solid forms of N-[2,4-bis(1,1-dimethylethyl)-5-hydroxypheny1]-1,4-dihydro-4-oxoquinoline-3-carboxamide108US 8,163,772 B2Vertex Pharmaceuticals Incorporated · 2012
- Modulators of ATP-binding cassette transporters105US 8,101,767 B2Vertex Pharmaceuticals Incorporated · 2012