C07C 205/22
Having one nitro groups bound to the ring
Official title: having one nitro groups bound to the ring
C07C205/22 (Having one nitro groups bound to the ring) appears on 63 US grants and 32 published applications in this corpus.
Search patents in C07C- Granted patents
- 63
- Published applications
- 32
- Assignees
- 41
- Inventors
- 158
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 4 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Preparation method for water-soluble magnolol derivatives and honokiol derivatives and intermediates thereof, and related monohydroxy protection intermediates26 Oct 2023US 2023/0339840 A1Beijing Honghui Meditech Co., Ltd
- Polyamide Acid, Polyimide, Optical Film, Display Device and Production Methods Thereof21 Apr 2022US 2022/0119595 A1Central Glass Company, Limited
- Method for Producing 1,1,1-Trifluoro-2,2-Bisarylethane, and 1,1,1-Trifluoro-2,2-Bisarylethane7 Apr 2022US 2022/0106444 A1Central Glass Company, Limited
- Organophosphorus degrading enzyme based multifunctional catalyst and preparation method and use thereof11 Nov 2021US 2021/0346876 A1Hebei University of Technology
- Organic positive electrode active material for aqueous redox flow battery28 Oct 2021US 2021/0336264 A1LG Chem.Ltd.
Most cited
By later US patents
- Pharmacologically active compounds, methods for the preparation thereof and compositions containing the same100US 4,963,590 AOrion-yhtyma Oy · 1990
- Method of synthesizing camptothecin-relating compounds60US 7,126,000 B2Kabushiki Kaisha Yakult Honsha · 2006
- Trisubstituted phenyl analogs having activity for congestive heart failure59US 5,274,002 AWarner-Lambert Company · 1993
- Amino phenols useful as additives for fuels and lubricants53US 4,320,021 AThe Lubrizol Corporation · 1982
- Pharmacologically active catechol derivatives49US 5,446,194 AOrion-yhtyma Oy · 1995