C07C 227/12
Formation of amino and carboxyl groups
C07C227/12 (Formation of amino and carboxyl groups) appears on 47 US grants and 47 published applications in this corpus.
Search patents in C07C- Granted patents
- 47
- Published applications
- 47
- Assignees
- 50
- Inventors
- 203
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 5 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 5 |
| 2020 | 2 | 5 |
| 2021 | 6 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 5 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Process for cyclic amino acid anticonvulsant compounds22US 5,132,451 AWarner-Lambert Company · 1992
- Process for the preparation of 1-aminomethyl-1-cyclohexaneacetic acid19US 5,091,567 AGodecke Aktiengesellschaft · 1992
- Asymmetric ligands useful for transition metal catalyzed bond forming reactions17US 5,739,396 AStanford University · 1998
- Method for preparing 2-hydroxyl-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative15US 10,815,208 B2Institute of Materia Medica, Chinese Academy of Medical Sciences · 2020
- Phenylate derivative, preparation method therefor, and pharmaceutical composition and uses thereof13US 10,882,833 B2Institute of Materia Medica, Chinese Academy of Medical Sciences · 2021