C07C 209/42
By reduction of nitrogen-to-nitrogen bonds
Official title: by reduction of nitrogen-to-nitrogen bonds
C07C209/42 (By reduction of nitrogen-to-nitrogen bonds) appears on 27 US grants and 15 published applications in this corpus.
Search patents in C07C- Granted patents
- 27
- Published applications
- 15
- Assignees
- 26
- Inventors
- 74
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods, and apparatuses for non-contact voltage detection27 Jan 2026US 12,535,507 B2Honeywell Safety Products USA, Inc.
- Metal oxide-supported earth-abundant metal catalysts for highly efficient organic transformations13 Jun 2023US 11,673,125 B2The University of Chicago
- Catalyst in which metal is carried on inorganic porous body having hierarchical porous structure, and method for manufacturing said catalyst16 Nov 2021US 11,173,480 B2SnG Inc.
- Cathepsin K inhibitors and application thereof3 Dec 2019US 10,494,364 B2North & South Brother Pharmacy Investment Company Limited
- Bicyclic alkyl compounds and synthesis29 Jan 2019US 10,189,780 B2Zeno Royalties & Milestones, LLC
- Method of producing supported palladium catalyst, and supported palladium catalyst25 Sep 2025US 2025/0296073 A1NGK Insulators, Ltd.
- Ceramic-supported palladium catalyst25 Sep 2025US 2025/0296074 A1NGK Insulators, Ltd.
- Systems, methods, and apparatuses for non-contact voltage detection28 Mar 2024US 2024/0103044 A1Honeywell International Inc.
- Metal oxide-supported earth-abundant metal catalysts for highly efficient organic transformations15 Oct 2020US 2020/0324276 A1The University of Chicago
- Catalyst in which metal is carried on inorganic porous body having hierarchical porous structure, and method for manufacturing said catalyst6 Aug 2020US 2020/0246779 A1SnG Inc.
Most cited
By later US patents
- Process for the solid phase synthesis of aldehyde, ketone, oxime, amine, hydroxamic acid and αβ-unsaturated carboxylic acid and aldehyde compounds13US 6,392,010 B1Aventis Pharmaceuticals Inc. · 2002
- Process for reducing organic pollutants11US 5,608,112 AThe Trustees of Princeton University · 1997
- Preparation of optically active hydrazines and amines9US 5,250,731 AE. I. Du Pont de Nemours and Company · 1993
- Process for preparing substituted aromatic amines9US 5,633,407 AFlexsys America L. P. · 1997
- Preparation of optically active hydrazines and amines8US 5,426,223 AE. I. Du Pont de Nemours and Company · 1995