C07C 209/70
By reduction of unsaturated amines
Official title: by reduction of unsaturated amines
C07C209/70 (By reduction of unsaturated amines) appears on 145 US grants and 105 published applications in this corpus.
Search patents in C07C- Granted patents
- 145
- Published applications
- 105
- Assignees
- 83
- Inventors
- 445
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 0 | 3 |
| 2006 | 4 | 4 |
| 2007 | 1 | 2 |
| 2008 | 4 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 4 |
| 2011 | 1 | 6 |
| 2012 | 2 | 5 |
| 2013 | 2 | 4 |
| 2014 | 8 | 4 |
| 2015 | 4 | 8 |
| 2016 | 8 | 7 |
| 2017 | 3 | 3 |
| 2018 | 5 | 6 |
| 2019 | 4 | 8 |
| 2020 | 7 | 9 |
| 2021 | 6 | 3 |
| 2022 | 3 | 2 |
| 2023 | 4 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Materials comprising carbon-embedded nickel nanoparticles, processes for their manufacture, and use as heterogeneous catalysts10 Feb 2026US 12,544,741 B2Evonik Operations GmbH
- Polydentate organic ligand, metallo-supramolecular polymer, polymer film and preparation method thereof9 Dec 2025US 12,492,190 B2Jilin University
- Method for preparing chiral alkyl compounds by asymmetric hydrogenation of olefins catalyzed by iron complex11 Feb 2025US 12,221,409 B2Zhejiang University
- Catalyst composition for hydrogenating 4,4′-methylenedianiline derivatives and method for preparing 4,4′-methylene bis(cyclohexylamine) derivatives using the same23 Apr 2024US 11,964,259 B2Industrial Technology Research Institute
- Compound of 1-acetyl-6-fluoro-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline26 Dec 2023US 11,851,388 B2Fmc Agro Singapore Pte. Ltd.
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Method for producing diamine containing cyclohexane ring23 Jul 2026US 2026/0209168 A1Mitsubishi Gas Chemical Company, Inc.
- Process for continuous catalytic hydrogenation of mda29 Jan 2026US 2026/0027535 A1Evonik Operations GmbH
- Process for continuous catalytic hydrogenation of mda29 Jan 2026US 2026/0027536 A1Evonik Operations GmbH
- Process for continuous catalytic hydrogenation of mda29 Jan 2026US 2026/0028304 A1Evonik Operations GmbH
Most cited
By later US patents
- Aiming beam system for optical data reading device237US 5,296,689 ASpectra-Physics Scanning Systems, Inc. · 1994
- Process for reacting an organic compound in the presence of a supported ruthenium catalyst40US 5,936,126 ABASF SE · 1999
- Hydrogenation of unsaturated cyclic compounds28US 5,773,670 A1998
- Hydrogenation of aromatic compounds in which at least one amino group is bonded to an aromatic nucleus25US 5,773,657 ABASF SE · 1998
- Process for the preparation of mixed isomeric methylene-bridged polycyclohexylpolyamines21US 3,959,374 AJefferson Chemical Company, Inc. · 1976