C07C 227/04
Formation of amino groups in compounds containing carboxyl groups
C07C227/04 (Formation of amino groups in compounds containing carboxyl groups) appears on 486 US grants and 403 published applications in this corpus.
Search patents in C07C- Granted patents
- 486
- Published applications
- 403
- Assignees
- 341
- Inventors
- 1,506
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 4 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 15 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 3 |
| 2002 | 12 | 7 |
| 2003 | 12 | 15 |
| 2004 | 10 | 22 |
| 2005 | 12 | 16 |
| 2006 | 15 | 14 |
| 2007 | 11 | 10 |
| 2008 | 9 | 11 |
| 2009 | 13 | 12 |
| 2010 | 6 | 14 |
| 2011 | 8 | 31 |
| 2012 | 8 | 14 |
| 2013 | 19 | 22 |
| 2014 | 18 | 22 |
| 2015 | 21 | 28 |
| 2016 | 19 | 22 |
| 2017 | 19 | 18 |
| 2018 | 14 | 21 |
| 2019 | 22 | 17 |
| 2020 | 15 | 16 |
| 2021 | 10 | 8 |
| 2022 | 7 | 12 |
| 2023 | 7 | 10 |
| 2024 | 3 | 15 |
| 2025 | 10 | 12 |
| 2026 | 1 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tautomeric ligand enables biomimetic C—H hydroxylation with molecular oxygen22 Sep 2026US 12,741,937 B2The Scripps Research Institute
- Process of making 3-(4′-aminophenyl)-2-methoxypropionic acid, and analogs and intermediates thereof30 Dec 2025US 12,509,416 B2Nogra Pharma Limited
- Method for the preparation of omega-amino-carboxylic acids and derivatives thereof2 Dec 2025US 12,486,468 B2Versalis S.P.A.
- Amine-containing transfection reagents and methods for making and using same4 Nov 2025US 12,458,700 B2Life Technologies Corporation
- Electrode catalyst and method for producing amine compound28 Oct 2025US 12,454,766 B2Japan Science and Technology Agency
- 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
- Renewably derived polyamides and methods of making the same13 Aug 2026US 2026/0234328 A1Wilmar Trading Pte. Ltd.
- Method for producing tryptophan decomposition product, method for producing formylkynurenine, method for producing kynurenine, method for producing tryptophan radical-containing aqueous solution, and bactericidal aqueous solution6 Aug 2026US 2026/0223845 A1Meijo University
- Processes and intermediates for synthesis of adagrasib6 Aug 2026US 2026/0226045 A1Mirati Therapeutics, Inc.
- Surfactant compositions derived from waste streams, and methods30 Jul 2026US 2026/0218053 A1Kemira Oyj
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Metal radionuclide labeled proteins for diagnosis and therapy139US 4,897,255 ANeoRx Corporation · 1990
- Preparation of arylamines127US 5,576,460 AMassachusetts Institute of Technology · 1996
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007