C07C 209/50
By reduction of carboxylic acid amides
Official title: by reduction of carboxylic acid amides
C07C209/50 (By reduction of carboxylic acid amides) appears on 70 US grants and 77 published applications in this corpus.
Search patents in C07C- Granted patents
- 70
- Published applications
- 77
- Assignees
- 57
- Inventors
- 237
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 6 |
| 2009 | 1 | 7 |
| 2010 | 3 | 3 |
| 2011 | 5 | 2 |
| 2012 | 3 | 4 |
| 2013 | 3 | 5 |
| 2014 | 2 | 3 |
| 2015 | 4 | 1 |
| 2016 | 4 | 8 |
| 2017 | 4 | 4 |
| 2018 | 3 | 6 |
| 2019 | 4 | 3 |
| 2020 | 6 | 4 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 3 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst for hydrosilylation reaction, hydrogenation reaction, and hydrosilane reduction reaction13 May 2025US 12,296,325 B2Kyushu University, National University Corporation
- Hydrogenation reaction catalyst used to hydrogenate amide compound and method for producing amine compound using same4 Mar 2025US 12,239,961 B2N. E. Chemcat Corporation
- Hydrogenation catalyst used in amide compound hydrogenation and method for producing amine compound using same7 Jan 2025US 12,187,691 B2N. E. Chemcat Corporation
- Method for producing amine through reduction of amide26 Sep 2023US 11,767,288 B2Takasago International Corporation
- Viscoelastic surfactants for self-diverting acid under high temperature and preparation method27 Sep 2022US 11,453,819 B2Sichuan University
- Method for recycling a polyamide under acidic conditions27 Aug 2026US 2026/0250482 A1Syensqo Specialty Polymers USA, LLC
- Alkylating agents for quaternary ammonium compounds6 Aug 2026US 2026/0225992 A1Afton Chemical Corporation
- Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof5 Jun 2025US 2025/0179043 A1FMC Corporation
- Composition and process of elaboration of non-hydrolyzable surfactants from vegetable oils22 May 2025US 2025/0162985 A1Corrosion Y Proteccion SA De Cv
- Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof22 May 2025US 2025/0163010 A1FMC Corporation
Most cited
By later US patents
- Process for producing alcohol or amine28US 5,196,601 AKao Corporation · 1993
- Method for olefination of carbonyl compounds using titanocene derivatives23US 5,087,790 AUniversity of Southern California · 1992
- Lipids, lipid complexes and use thereof23US 8,017,804 B2Silence Therapeutics GmbH · 2011
- Hypolipidaemic compounds20US 4,362,892 ABeecham Group Limited · 1982
- Bis-naphthalimides containing amino-acid derived linkers as anticancer agents16US 5,206,249 AThe Du Pont Merck Pharmaceutical Company · 1993