C07C 49/323
Having keto groups bound to condensed ring systems
Official title: having keto groups bound to condensed ring systems
C07C49/323 (Having keto groups bound to condensed ring systems) appears on 35 US grants and 17 published applications in this corpus.
Search patents in C07C- Granted patents
- 35
- Published applications
- 17
- Assignees
- 23
- Inventors
- 100
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bi- and tricyclic compounds for use as aroma chemicals25 Feb 2025US 12,234,206 B2BASF SE
- Sphingosine kinase inhibitors23 Jan 2024US RE49,811 E1Apogee Biotechnology Corporation
- Method for synthesizing dibenzocycloheptane derivatives by series cyclization of free radicals under electrooxidation conditions5 Dec 2023US 11,834,400 B2Zhejiang Normal University
- Rare earth complex and light emitting element15 Nov 2022US 11,499,093 B2National University Corporation Hokkaido University
- Electronic apparatus11 May 2021US 11,004,918 B2Samsung Display Co., Ltd.
- Novel compound for capping layer and organic light emitting device including same22 Aug 2024US 2024/0279158 A1Dongjin Semichem Co., Ltd.
- Compound for capping layer and organic light emitting device including same13 Jun 2024US 2024/0190810 A1Dongjin Semichem Co., Ltd.
- Method for synthesizing dibenzocycloheptane derivatives by series cyclization of free radicals under electrooxidation conditions27 Jul 2023US 2023/0234907 A1Zhejiang Normal University
- Bi- and tricyclic compounds for use as aroma chemicals3 Mar 2022US 2022/0064095 A1BASF SE
- Vetiver odorant9 Apr 2020US 2020/0109348 A1Firmenich SA
Most cited
By later US patents
- Hydrogenated naphthalenes137US 4,391,731 AHoffmann-La Roche Inc. · 1983
- Sphingosine kinase inhibitors20US 7,338,961 B2Apogee Biotechnology Corporation · 2008
- Disubstituted pyrimidines18US 4,462,923 AHoffmann-La Roche Inc. · 1984
- Sphingosine kinase inhibitors12US 8,063,248 B2Apogee Biotechnology Corporation · 2011
- Sphingosine kinase inhibitors12US 8,557,800 B2Apogee Biotechnology Corporation · 2013