C07C 201/08
By substitution of hydrogen atoms by nitro groups
Official title: by substitution of hydrogen atoms by nitro groups
C07C201/08 (By substitution of hydrogen atoms by nitro groups) appears on 403 US grants and 195 published applications in this corpus.
Search patents in C07C- Granted patents
- 403
- Published applications
- 195
- Assignees
- 196
- Inventors
- 858
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 14 | 0 |
| 1983 | 11 | 0 |
| 1984 | 18 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 1 | 0 |
| 1988 | 11 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 1 |
| 2002 | 7 | 7 |
| 2003 | 11 | 12 |
| 2004 | 10 | 12 |
| 2005 | 5 | 3 |
| 2006 | 7 | 3 |
| 2007 | 3 | 6 |
| 2008 | 3 | 4 |
| 2009 | 2 | 3 |
| 2010 | 6 | 15 |
| 2011 | 5 | 18 |
| 2012 | 4 | 7 |
| 2013 | 18 | 13 |
| 2014 | 9 | 9 |
| 2015 | 13 | 16 |
| 2016 | 15 | 9 |
| 2017 | 8 | 13 |
| 2018 | 7 | 4 |
| 2019 | 4 | 2 |
| 2020 | 5 | 7 |
| 2021 | 4 | 2 |
| 2022 | 3 | 12 |
| 2023 | 7 | 4 |
| 2024 | 3 | 5 |
| 2025 | 3 | 0 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods for functionalization hydrocarbons24 Feb 2026US 12,559,448 B2California Institute of Technology
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- Method of cleaning an apparatus used in the concentration of a mineral acid14 Oct 2025US 12,441,614 B2Covestro Deutschland AG
- Process for the preparation of key intermediates for the synthesis of Eltrombopag or salt thereof7 Oct 2025US 12,435,042 B2F.I.S. - Fabbrica Italiana Sintetici S.p. A.
- Process for producing nitrobenzene27 Aug 2026US 2026/0250236 A1BASF SE
- Conversion of a hydrocarbon feedstock derived from oxygen-rich biomass into aromatic isocyanates23 Jul 2026US 2026/0209166 A1Ifp Energies Nouvelles
- Processes and intermediates for synthesising opicapone23 Jul 2026US 2026/0209167 A1
- Synthesis methods and intermediates for the production of remimbrutinib23 Jul 2026US 2026/0209185 A1Novartis AG
- Preparation of 2-chloro-4-fluoro-5-nitrobenzoic acid26 Mar 2026US 2026/0085051 A1Adama Agan Ltd.
Most cited
By later US patents
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- Continuous adiabatic process for the mononitration of benzene102US 4,091,042 AAmerican Cyanamid Company · 1978
- Process for making modulators of cystic fibrosis transmembrane conductance regulator83US 8,476,442 B2Vertex Pharmaceutical Incorporated · 2013
- Synthesis of fluorinated xanthene derivatives77US 6,229,055 B1Molecular Probes, Inc. · 2001