C07C 251/52
Of hydrocarbon radicals substituted by halogen atoms or by nitro or nitroso
Official title: of hydrocarbon radicals substituted by halogen atoms or by nitro or nitroso groups
C07C251/52 (Of hydrocarbon radicals substituted by halogen atoms or by nitro or nitroso) appears on 65 US grants and 35 published applications in this corpus.
Search patents in C07C- Granted patents
- 65
- Published applications
- 35
- Assignees
- 37
- Inventors
- 249
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 4 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acetophenone oxime compound and application thereof25 Nov 2025US 12,479,794 B2Medshine Discovery Inc.
- Organic compound (oxime) to combat chemical warfare agents21 Oct 2025US 12,448,356 B2Prepaire Labs Limited
- Process for making Siponimod and intermediate thereof9 Sep 2025US 12,410,126 B2Synthon BV
- Substituted bicyclic compounds18 Jul 2023US 11,701,373 B2Bristol-Myers Squibb Company
- Substituted bicyclic compounds13 Jul 2021US 11,058,696 B2Bristol-Myers Squibb Company
- Organic compound (oxime) to combat chemical warfare agents1 Oct 2026US 2026/0297032 A1Prepaire Labs Limited
- 2,6-dibenzylidenecyclohexanone oxime compound and preparation method therefor and use thereof20 Nov 2025US 2025/0353812 A1Wenzhou Medical University
- Organic compound (oxime) to combat chemical warfare agents3 Jul 2025US 2025/0214941 A1Prepaire Labs Limited
- Phenylacetic acid derivative, use therefor, and production intermediate thereof13 Jun 2024US 2024/0190805 A1Sumitomo Chemical Company, Limited
- Process for the preparation of a key intermediate of siponimod12 Oct 2023US 2023/0322658 A1Olon S.P.A.
Most cited
By later US patents
- Phthalimides useful as intermediate compounds33US 5,508,412 ABASF SE · 1996
- Glucocorticoid receptor modulators32US 6,380,223 B1Pfizer Inc. · 2002
- 2-methoxyimino-2-(pyridinyloxymethyl)phenyl acetamides with carboxylic acid derivatives on the pyridine ring21US 5,968,875 ADow AgroSciences LLC · 1999
- Methoxyiminoacetic acid derivative and agricultural/horticultural fungicide containing the same as active ingredient15US 5,407,902 AMitsubishi Kasei Corporation · 1995
- Cyclohexenone oxime ethers, their preparation and their use as herbicides14US 5,022,914 ABASF SE · 1991