C07C 49/427
Having two rings
Official title: having two rings
C07C49/427 (Having two rings) appears on 76 US grants and 47 published applications in this corpus.
Search patents in C07C- Granted patents
- 76
- Published applications
- 47
- Assignees
- 49
- Inventors
- 158
- Latest grant
- 7 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 4 |
| 2004 | 1 | 7 |
| 2005 | 6 | 2 |
| 2006 | 3 | 5 |
| 2007 | 3 | 1 |
| 2008 | 1 | 3 |
| 2009 | 4 | 4 |
| 2010 | 5 | 3 |
| 2011 | 3 | 1 |
| 2012 | 0 | 5 |
| 2013 | 4 | 1 |
| 2014 | 1 | 4 |
| 2015 | 1 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalysts7 Jun 2022US 11,352,376 B2Borealis AG
- Versatile and functionalised intermediates for the synthesis of vitamin D and novel vitamin D derivatives12 Jun 2018US 9,994,508 B2Endotherm GmbH
- Alpha- and chi-diketone reactants for charge transfer reactions in mass spectrometers31 Jan 2017US 9,557,297 B2Bruker Daltonik GmbH
- Opsin-binding ligands, compositions and methods of use22 Nov 2016US 9,499,464 B2Bikam Pharmaceuticals, Inc.
- Inhibitors of the influenza A virus M2 proton channel2 Aug 2016US 9,403,777 B2The Trustees of the University of Pennsylvania
- Methods and intermediates for preparing compounds10 Sep 2026US 2026/0265170 A1ViiV HEALTHCARE UK (NO. 5) LIMITED
- Small molecule antagonists of pf411 Sep 2025US 2025/0281424 A1Fox Chase Chemical Diversity Center, Inc.
- Chemical process11 Sep 2025US 2025/0282702 A1Syngenta Crop Protection AG
- Catalysts10 Oct 2019US 2019/0308995 A1Borealis AG
- Novel octahydroindenyl propanal compounds18 Oct 2018US 2018/0297922 A1International Flavors & Fragrances Inc.
Most cited
By later US patents
- (20S)-1α-hydroxy-2α-methyl and 2β-methyl-19-nor-vitamin D3 and their uses1,031US 7,094,916 B2Wisconsin Alumni Research Foundation · 2006
- Fused bicyclic or tricyclic amino acids42US 6,596,900 B2Pfizer Inc. · 2003
- (20S) 1α-hydroxy-2α-methyl and 2β-methyl-19-nor-vitamin D3 and their uses21US 6,846,811 B2Wisconsin Alumni Research Foundation · 2005
- Antiviral compositions derived from marine sponge epipolasis reiswigi and their methods of use18US 4,935,439 AHarbor Branch Oceanographic Institution, Inc. · 1990
- Preparation of 15-deoxy-16-hydroxyprostaglandins17US 4,132,738 AMiles Laboratories, Inc. · 1979