C07C 49/755
A keto group being part of a condensed ring system with two
Official title: a keto group being part of a condensed ring system with two or three rings, at least one ring being a six-membered aromatic ring
C07C49/755 (A keto group being part of a condensed ring system with two) appears on 246 US grants and 122 published applications in this corpus.
Search patents in C07C- Granted patents
- 246
- Published applications
- 122
- Assignees
- 147
- Inventors
- 653
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 12 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 11 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 0 |
| 2002 | 6 | 4 |
| 2003 | 4 | 7 |
| 2004 | 4 | 10 |
| 2005 | 5 | 9 |
| 2006 | 10 | 9 |
| 2007 | 5 | 3 |
| 2008 | 5 | 10 |
| 2009 | 6 | 5 |
| 2010 | 4 | 5 |
| 2011 | 1 | 0 |
| 2012 | 2 | 6 |
| 2013 | 0 | 7 |
| 2014 | 3 | 4 |
| 2015 | 5 | 9 |
| 2016 | 4 | 6 |
| 2017 | 7 | 2 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 5 | 5 |
| 2021 | 4 | 2 |
| 2022 | 0 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Stilbene derivatives as anticancer agents78US 5,430,062 AResearch Corporation Technologies, Inc. · 1995
- Substituted tetralins, chromans and related compounds in the treatment of asthma, arthritis and related diseases59US 5,059,609 APfizer Inc. · 1991
- [1-Hydroximino-2,2-disubstituted-5-indanyloxy-(or thio)]alkanoic acids44US 3,974,212 AMerck & Co., Inc. · 1976
- (1-Oxo-2-aryl or thienyl-2-substituted-5-indanyloxy (or thio) alkanoic acids, and derivatives thereof44US 4,096,267 AMerck & Co., Inc. · 1978
- [1-Oxo-2-halo(or hydrogen) indanyloxy]-alkanoic acid43US 4,070,539 AMerck & Co., Inc. · 1978