C07C 205/47
Anthraquinones containing nitro groups
C07C205/47 (Anthraquinones containing nitro groups) appears on 29 US grants and 3 published applications in this corpus.
Search patents in C07C- Granted patents
- 29
- Published applications
- 3
- Assignees
- 16
- Inventors
- 55
- Latest grant
- 27 Jun 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of producing optically active compound27 Jun 2017US 9,687,833 B2Dexerials Corporation
- Substituted naphthacene-5,12-diones and their use21 Feb 1995US 5,391,749 ACiba-Geigy Corporation
- Substituted naphthacene-5,12-diones12 May 1992US 5,112,977 ACiba-Geigy Corporation
- Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones13 Nov 1990US 4,970,328 ABayer Aktiengesellschaft
- Pest-combating agents based on substituted 1,4-naphthoquinones and new substituted 1,4-naphthoquinones29 May 1990US 4,929,642 ABayer Aktiengesellschaft
- Alkene quinone compounds and methods of use25 Jul 2024US 2024/0245627 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Method of producing optically active compound1 Sep 2016US 2016/0250625 A1Dexerials Corporation
- Substituted nitrated catechols, their use in the treatment of some central and peripheral nervous system disorders and pharmaceutical compositions containing them28 Mar 2002US 2002/0037931 A1
Most cited
By later US patents
- Ceric oxidant11US 4,794,172 AW. R. Grace & Co.-Conn. · 1988
- Naphthalene anti-psoriatic agents9US 4,466,981 ASyntex (U.S.A.) Inc. · 1984
- Method of producing optically active compound7US 9,687,833 B2Dexerials Corporation · 2017
- Substituted naphthacene-5,12-diones6US 5,112,977 ACiba-Geigy Corporation · 1992
- Naphthalene anti-psoriatic agents5US 4,593,120 ASyntex (U.S.A.) Inc. · 1986