C07C 209/24
Preparation of compounds containing amino groups bound to a carbon skeleton: by
Official title: by reductive alkylation of ammonia, amines or compounds having groups reducible to amino groups, with carbonyl compounds
C07C209/24 (Preparation of compounds containing amino groups bound to a carbon skeleton: by) appears on 271 US grants and 204 published applications in this corpus.
Search patents in C07C- Granted patents
- 271
- Published applications
- 204
- Assignees
- 174
- Inventors
- 804
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 3 |
| 2003 | 2 | 4 |
| 2004 | 8 | 9 |
| 2005 | 3 | 3 |
| 2006 | 6 | 2 |
| 2007 | 6 | 8 |
| 2008 | 4 | 6 |
| 2009 | 0 | 9 |
| 2010 | 3 | 9 |
| 2011 | 10 | 10 |
| 2012 | 3 | 8 |
| 2013 | 10 | 12 |
| 2014 | 11 | 9 |
| 2015 | 12 | 14 |
| 2016 | 10 | 11 |
| 2017 | 14 | 14 |
| 2018 | 7 | 10 |
| 2019 | 15 | 6 |
| 2020 | 7 | 11 |
| 2021 | 11 | 5 |
| 2022 | 3 | 9 |
| 2023 | 6 | 10 |
| 2024 | 4 | 12 |
| 2025 | 6 | 6 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyalkyl p-phenylenediamine anti-degradants and intermediates and preparation method thereof28 Jul 2026US 12,692,220 B2Sennics Co., Ltd.
- Aliphatic amine and nitrile synthesis through catalytic CO hydrogenation in the presence of ammonia23 Jun 2026US 12,662,444 B2Washington State University
- Products obtained by the conversion of glycolaldehyde derivatives and aminating agents and their conversion to ethyleneamines and ethanolamines24 Mar 2026US 12,583,827 B2BASF SE
- Process for the synthesis of twin-tail triamines17 Feb 2026US 12,552,735 B2Syensqo SA
- Non-distillative process for manufacturing high purity amphetamines27 Jan 2026US 12,534,428 B2Pharmapotheca A, Inc.
- Cobalt-catalyzed carbonylative alkene hydrofunctionalizations promoted by visible light8 Oct 2026US 2026/0308103 A1
- Process for preparing secondary and/or tertiary amines in the presence of a manganese-doped copper catalyst11 Jun 2026US 2026/0159472 A1Arkema France
- Metal-supporting nonwoven fabric and production method thereof, catalyst, unsaturated compound hydrogenation method, and carbon-carbon bond forming method9 Oct 2025US 2025/0312773 A1Ebara Corporation
- Preparation method of multi-channel co@cm ceramic catalytic membrane18 Sep 2025US 2025/0288982 A1Nanjing Tech University
- Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof5 Jun 2025US 2025/0179043 A1FMC Corporation
Most cited
By later US patents
- Metal-ligand complex catalyzed processes44US 6,252,121 B1Union Carbide Chemicals & Plastics Technology Corporation · 2001
- 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
- Process for the preparation of chiral 1-aryl-2-aminopropanes41US 5,360,724 ACelgene Corporation · 1994
- Process for preparing amines28US 6,525,222 B2BASF SE · 2003