C07C 209/28
By reduction with other reducing agents
Official title: by reduction with other reducing agents
C07C209/28 (By reduction with other reducing agents) appears on 45 US grants and 49 published applications in this corpus.
Search patents in C07C- Granted patents
- 45
- Published applications
- 49
- Assignees
- 48
- Inventors
- 196
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 5 |
| 2017 | 4 | 4 |
| 2018 | 3 | 3 |
| 2019 | 5 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 5 |
| 2025 | 1 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile with reduced formation of diaminocyclohexane16 Sep 2025US 12,415,775 B2BASF SE
- Cationic quaternary ammonium compounds and compositions comprising same and processes for their manufacture3 Oct 2023US 11,773,053 B2Rhodia Operations
- Fenfluramine compositions and methods of preparing the same25 Apr 2023US 11,634,377 B2Zogenix International Limited
- Silylations of aromatic substrates with base-activated organosilanes25 Jan 2022US 11,230,520 B2California Institute of Technology
- Fenfluramine compositions and methods of preparing the same16 Mar 2021US 10,947,183 B2Zogenix International Limited
- Cobalt-catalyzed carbonylative alkene hydrofunctionalizations promoted by visible light8 Oct 2026US 2026/0308103 A1
- Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof5 Jun 2025US 2025/0179043 A1FMC Corporation
- Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof22 May 2025US 2025/0163010 A1FMC Corporation
- Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof15 May 2025US 2025/0154124 A1FMC Corporation
- Process for preparing tertiary amines6 Feb 2025US 2025/0042840 A1Le Centre National De La Recherche Scientifique
Most cited
By later US patents
- Amination process using nickel-rhenium catalysts42US 4,123,462 AUnion Carbide Corporation · 1978
- Nickel-rhenium hydrogenation catalyst and methods of preparing same and using same41US 4,111,840 AUnion Carbide Corporation · 1978
- Transition-metal-free silylation of aromatic compounds17US 9,000,167 B2California Institute of Technology · 2015
- Synthesis of novel ionic liquids from lignin-derived compounds17US 9,765,044 B2Sandia Corporation · 2017
- Fenfluramine compositions and methods of preparing the same14US 10,351,509 B2Zogenix International Limited · 2019