C07C 227/00
Preparation of compounds containing amino and carboxyl groups bound to the same
Official title: Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
C07C227/00 (Preparation of compounds containing amino and carboxyl groups bound to the same) appears on 1,924 US grants and 1,672 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,924
- Published applications
- 1,672
- Assignees
- 1,061
- Inventors
- 5,312
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 9 | 0 |
| 1981 | 20 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 21 | 0 |
| 1986 | 18 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 21 | 0 |
| 1990 | 36 | 0 |
| 1991 | 35 | 0 |
| 1992 | 39 | 0 |
| 1993 | 26 | 0 |
| 1994 | 46 | 0 |
| 1995 | 26 | 0 |
| 1996 | 48 | 0 |
| 1997 | 44 | 0 |
| 1998 | 60 | 0 |
| 1999 | 54 | 0 |
| 2000 | 49 | 0 |
| 2001 | 43 | 18 |
| 2002 | 63 | 53 |
| 2003 | 54 | 77 |
| 2004 | 51 | 81 |
| 2005 | 42 | 57 |
| 2006 | 51 | 57 |
| 2007 | 35 | 46 |
| 2008 | 45 | 47 |
| 2009 | 37 | 64 |
| 2010 | 32 | 57 |
| 2011 | 36 | 87 |
| 2012 | 43 | 71 |
| 2013 | 68 | 72 |
| 2014 | 66 | 93 |
| 2015 | 74 | 95 |
| 2016 | 88 | 84 |
| 2017 | 72 | 76 |
| 2018 | 61 | 64 |
| 2019 | 70 | 61 |
| 2020 | 55 | 67 |
| 2021 | 46 | 64 |
| 2022 | 35 | 66 |
| 2023 | 34 | 52 |
| 2024 | 22 | 68 |
| 2025 | 38 | 55 |
| 2026 | 26 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 227/14From compounds containing already amino and carboxyl groups or derivatives thereof750
- C07C 227/04Formation of amino groups in compounds containing carboxyl groups486
- C07C 227/30Preparation of optical isomers345
- C07C 227/38Separation340
- C07C 227/22From lactams, cyclic ketones or cyclic oximes131
- C07C 227/02Formation of carboxyl groups in compounds containing amino groups100
- C07C 227/12Formation of amino and carboxyl groups47
- C07C 227/26From compounds containing carboxyl groups by reaction with hcn, or a salt47
Recent patents
- Tautomeric ligand enables biomimetic C—H hydroxylation with molecular oxygen22 Sep 2026US 12,741,937 B2The Scripps Research Institute
- Alpha-carbonyl alkenyl ester preparation method therefor and application thereof15 Sep 2026US 12,735,449 B2Jiangxi Normal University
- Process for preparing solriamfetol hydrochloride1 Sep 2026US 12,723,020 B2Procos S.P.A.
- Process for isolating 2-(4'-diethylamino-2'-hydroxybenzoyl)benzoic acid hexyl ester25 Aug 2026US 12,715,837 B2BASF SE
- Method of producing carboxylic acid18 Aug 2026US 12,709,763 B2Toray Industries, Inc.
- Solid state salification of organic molecules8 Oct 2026US 2026/0308111 A1The Florida State University Research Foundation, Inc.
- Process for purifying 2-phenyl-4-(3-carboalkoxypropionyl)-1,3-oxazolin-5-one and new crystalline form b of 2-phenyl-4-(3-carbomethoxypropionyl)-1,3-oxazolin-5-one24 Sep 2026US 2026/0285820 A1Heraeus Precious Metals GmbH & Co. KG
- Process for preparing potassium iron(iii) ethylenediaminetetraacetic acid complex salt10 Sep 2026US 2026/0265174 A1BASF SE
- Method for obtaining organic acids from an aqueous mother liquor10 Sep 2026US 2026/0265175 A1Covestro Deutschland AG
- Method for obtaining crystalline diethylamino hydroxybenzoyl hexyl benzoate27 Aug 2026US 2026/0250238 A1BASF SE
Most cited
By later US patents
- Lipid formulation340US 8,158,601 B2Alnylam Pharmaceuticals, Inc. · 2012
- Liquid electrolyte lithium-sulfur batteries209US 6,030,720 APolyPlus Battery Company · 2000
- Rechargeable positive electrodes193US 5,686,201 APolyPlus Battery Company · 1997
- Rechargeable positive electrodes178US 5,814,420 APolyPlus Battery Company · 1998
- Compounds containing a fused bicycle ring and processes therefor171US 5,508,272 ABristol-Myers Squibb Company · 1996