C07F 9/6509
Six-membered rings
C07F9/6509 (Six-membered rings) appears on 800 US grants and 560 published applications in this corpus.
Search patents in C07F- Granted patents
- 800
- Published applications
- 560
- Assignees
- 403
- Inventors
- 1,974
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 21 | 0 |
| 1978 | 20 | 0 |
| 1979 | 20 | 0 |
| 1980 | 13 | 0 |
| 1981 | 13 | 0 |
| 1982 | 10 | 0 |
| 1983 | 9 | 0 |
| 1984 | 19 | 0 |
| 1985 | 18 | 0 |
| 1986 | 12 | 0 |
| 1987 | 19 | 0 |
| 1988 | 15 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 15 | 0 |
| 1994 | 18 | 0 |
| 1995 | 21 | 0 |
| 1996 | 11 | 0 |
| 1997 | 26 | 0 |
| 1998 | 27 | 0 |
| 1999 | 18 | 0 |
| 2000 | 18 | 0 |
| 2001 | 10 | 3 |
| 2002 | 11 | 10 |
| 2003 | 6 | 18 |
| 2004 | 10 | 23 |
| 2005 | 6 | 30 |
| 2006 | 7 | 19 |
| 2007 | 15 | 16 |
| 2008 | 14 | 21 |
| 2009 | 15 | 26 |
| 2010 | 10 | 9 |
| 2011 | 13 | 17 |
| 2012 | 21 | 23 |
| 2013 | 14 | 25 |
| 2014 | 18 | 27 |
| 2015 | 32 | 32 |
| 2016 | 28 | 31 |
| 2017 | 24 | 35 |
| 2018 | 27 | 24 |
| 2019 | 23 | 24 |
| 2020 | 17 | 29 |
| 2021 | 20 | 21 |
| 2022 | 7 | 24 |
| 2023 | 16 | 26 |
| 2024 | 12 | 21 |
| 2025 | 14 | 14 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Prodrugs for sustained releasing therapeutic agents and uses thereof8 Sep 2026US 12,729,186 B2Liangjiang Medicine Co., Ltd.
- 5′-modified carbocyclic ribonucleotide derivatives and methods of use26 May 2026US 12,636,301 B2Sanegene Bio USA Inc.
- Promoiety strategy to enhance drug activity12 May 2026US 12,624,058 B2University of Southern California
- Anti-inflammatory, anti-cancer, and anti-angiogenic compounds, pharmaceutical compositions, and methods of making and using thereof14 Apr 2026US 12,599,599 B2Medicon Pharmaceuticals, Inc.
- Phospholipid3 Mar 2026US 12,565,510 B2Nippon Fine Chemical Co., Ltd.
- Quinazoline derivatives as ectonucleotide pyrophosphatase phosphodiesterase 1 inhibitors27 Aug 2026US 2026/0250304 A1Riboscience LLC
- Phosphine oxide-based photoinitiators23 Jul 2026US 2026/0209256 A1Arkema France
- Triple kinase inhibitors26 Mar 2026US 2026/0085050 A1
- Phosphatidylamine compounds including a plurality of tertiary amino group structures and compositions thereof26 Mar 2026US 2026/0085081 A1Peking University
- Gene delivery agents12 Mar 2026US 2026/0069540 A1TIBA Biotech LLC
Most cited
By later US patents
- Carbocyclic nucleosides containing bicyclic rings, oligonucleotides therefrom, process for their preparation, their use and intermediates468US 5,700,920 ANovartis AG · 1997
- Carbocyclic nucleosides containing bicyclic rings, oligonucleotides therefrom, process for their preparation, their use and intermediates409US 5,610,300 ACiba-Geigy Corporation · 1997
- Electrochromic device368US 6,870,657 B1University College Dublin · 2005
- Alkynylamino-nucleotides340US 5,047,519 AE. I. Du Pont de Nemours and Company · 1991
- Alkynylamino-nucleotides225US 5,151,507 AE. I. Du Pont de Nemours and Company · 1992