C07C 211/52
The carbon skeleton being further substituted by halogen atoms or by nitro
Official title: the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
C07C211/52 (The carbon skeleton being further substituted by halogen atoms or by nitro) appears on 258 US grants and 222 published applications in this corpus.
Search patents in C07C- Granted patents
- 258
- Published applications
- 222
- Assignees
- 155
- Inventors
- 712
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 8 |
| 2003 | 7 | 7 |
| 2004 | 4 | 17 |
| 2005 | 4 | 8 |
| 2006 | 10 | 9 |
| 2007 | 9 | 11 |
| 2008 | 5 | 14 |
| 2009 | 4 | 17 |
| 2010 | 8 | 6 |
| 2011 | 12 | 7 |
| 2012 | 7 | 7 |
| 2013 | 7 | 11 |
| 2014 | 13 | 16 |
| 2015 | 11 | 10 |
| 2016 | 6 | 10 |
| 2017 | 6 | 11 |
| 2018 | 6 | 7 |
| 2019 | 4 | 13 |
| 2020 | 10 | 8 |
| 2021 | 5 | 5 |
| 2022 | 5 | 8 |
| 2023 | 7 | 4 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Catalyst of platinum/zirconium dioxide/SBA-15 and method for preparing the same23 Apr 2024US 11,964,261 B2Xiangtan University
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- Method for synthesizing fluoroalkyl-substituted 4,4'-diaminodiphenylmethane compound16 Jul 2026US 2026/0200826 A1Hainan University
- Epoxy resin curing agent, insulating epoxy resin, and preparation method thereof2 Jul 2026US 2026/0184842 A1Xi' An Jiaotong University
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Most cited
By later US patents
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- Modulators of ATP-binding cassette transporters105US 8,101,767 B2Vertex Pharmaceuticals Incorporated · 2012
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- Modulators of ATP-binding cassette transporters74US 8,629,162 B2Vertex Pharmaceuticals Incorporated · 2014