C07D 491/147
The condensed system containing one ring with oxygen as ring hetero atom
Official title: the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom
C07D491/147 (The condensed system containing one ring with oxygen as ring hetero atom) appears on 348 US grants and 549 published applications in this corpus.
Search patents in C07D- Granted patents
- 348
- Published applications
- 549
- Assignees
- 317
- Inventors
- 1,864
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 4 |
| 2007 | 3 | 6 |
| 2008 | 6 | 9 |
| 2009 | 2 | 12 |
| 2010 | 4 | 13 |
| 2011 | 8 | 19 |
| 2012 | 7 | 18 |
| 2013 | 13 | 12 |
| 2014 | 11 | 34 |
| 2015 | 24 | 33 |
| 2016 | 30 | 37 |
| 2017 | 29 | 27 |
| 2018 | 29 | 33 |
| 2019 | 28 | 30 |
| 2020 | 24 | 35 |
| 2021 | 18 | 31 |
| 2022 | 26 | 32 |
| 2023 | 14 | 39 |
| 2024 | 21 | 38 |
| 2025 | 27 | 42 |
| 2026 | 16 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Substituted [1,2,4]triazolo[4,3-a]quinoxalines, dosage forms containing them, and methods of using them to treat or prevent pain and/or inflammation29 Sep 2026US 12,747,240 B2Gruenenthal GmbH
- 5-amino-6,8-dihydro-1H-furo[3,4-d]pyrrolo[3,2-b]pyridine-2-carboxamide derivatives as MTA-cooperative inhibitors of PRMT51 Sep 2026US 12,723,048 B2BeOne Medicines | GmbH
- Long stokes shift chromenoquinoline dyes and uses in sequencing applications1 Sep 2026US 12,723,279 B2Illumina Cambridge Limited
- Compound, cellular vesicle staining agent, and method of fluorescent staining for cellular vesicles11 Aug 2026US 12,704,443 B2National University Corporation Tokai National Higher Education and Research System
- Inhibition of glial cell activation7 Jul 2026US 12,673,957 B2Lapko Inc
- Inhibitors of parg24 Sep 2026US 2026/0285875 A1858 Therapeutics, Inc.
- 3h-pyrazolo[4.3:f] quinoline-based compounds as sting antagonists17 Sep 2026US 2026/0274838 A1Purdue Research Foundation
- Immunomodulator3 Sep 2026US 2026/0258050 A1Hitgen Inc.
- Process for synthesizing naphthyridine derivatives and intermediates thereof27 Aug 2026US 2026/0250296 A1Amgen Inc.
- Preparation method for indolizino[1,2-b]quinoline-10,13-dione derivative27 Aug 2026US 2026/0250297 A1Jiangsu Hengrui Pharmaceuticals Co., Ltd.
Most cited
By later US patents
- Dimeric and trimeric nucleic acid dyes, and associated systems and methods164US 7,776,567 B2AlleLogic Biosciences Corporation · 2010
- Dibenzorhodamine dyes100US 5,936,087 AThe Perkin-Elmer Corporation · 1999
- Dibenzorhodamine dyes73US 6,051,719 AThe Perkin-Elmer Corporation · 2000
- Dipeptidyl peptidase inhibitors61US 7,169,926 B1Array BioPharma Inc. · 2007
- Camptothecin analogs as potent inhibitors of topoisomerase I55US 5,244,903 AResearch Triangle Institute · 1993