C07C 209/02
Preparation of compounds containing amino groups bound to a carbon skeleton: by
Official title: by substitution of hydrogen atoms by amino groups
C07C209/02 (Preparation of compounds containing amino groups bound to a carbon skeleton: by) appears on 75 US grants and 60 published applications in this corpus.
Search patents in C07C- Granted patents
- 75
- Published applications
- 60
- Assignees
- 61
- Inventors
- 210
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 4 |
| 2008 | 0 | 3 |
| 2009 | 0 | 6 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 4 |
| 2013 | 1 | 4 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 4 | 5 |
| 2017 | 5 | 4 |
| 2018 | 0 | 1 |
| 2019 | 4 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polydentate organic ligand, metallo-supramolecular polymer, polymer film and preparation method thereof9 Dec 2025US 12,492,190 B2Jilin University
- Method for preparing benzyl amine compound16 Jan 2024US 11,873,265 B2Soochow University
- Nitration23 May 2023US 11,655,203 B2ETH Zurich
- Indane derivatives and their use in organic electronics8 Nov 2022US 11,495,746 B2Dottikon ES Holding AG
- Continuous flow processes for making bicyclic compounds24 May 2022US 11,339,103 B2Recurium IP Holdings, LLC
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Para-phenylenediamine derivatives from ketones and aldehydes for antiozonant and antioxidant applications18 Jun 2026US 2026/0167600 A1The Goodyear Tire & Rubber Company
- Enantioselective c-h amination with iron phthalocyanine and diammonium template catalysts20 Nov 2025US 2025/0352988 A1
- Polydentate organic ligand, metallo-supramolecular polymer, polymer film and preparation method thereof24 Jul 2025US 2025/0236606 A1Jilin University
- Method for selectively and continuously producing 2-methylpyridine and diphenylamine from aniline26 Dec 2024US 2024/0425455 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Method of preparing 4-aminodiphenylamine70US 5,117,063 AMonsanto Company · 1992
- Method of preparing 4-aminodiphenylamine27US 5,453,541 AMonsanto Company · 1995
- Method of preparing 4-aminodiphenylamine27US 5,608,111 AFlexsys America L. P. · 1997
- Preparation of substituted aromatic amines25US 4,760,186 AMonsanto Company · 1988
- Process for preparing N-aliphatic substituted p-phenylenediamines22US 5,252,737 AMonsanto Company · 1993