C07C 227/08
By reaction of ammonia or amines with acids containing functional groups
Official title: by reaction of ammonia or amines with acids containing functional groups
C07C227/08 (By reaction of ammonia or amines with acids containing functional groups) appears on 201 US grants and 141 published applications in this corpus.
Search patents in C07C- Granted patents
- 201
- Published applications
- 141
- Assignees
- 142
- Inventors
- 605
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 5 |
| 2003 | 6 | 5 |
| 2004 | 3 | 9 |
| 2005 | 8 | 5 |
| 2006 | 8 | 5 |
| 2007 | 5 | 4 |
| 2008 | 1 | 2 |
| 2009 | 5 | 6 |
| 2010 | 2 | 6 |
| 2011 | 3 | 11 |
| 2012 | 2 | 6 |
| 2013 | 9 | 9 |
| 2014 | 6 | 7 |
| 2015 | 5 | 5 |
| 2016 | 4 | 7 |
| 2017 | 7 | 7 |
| 2018 | 1 | 5 |
| 2019 | 6 | 6 |
| 2020 | 4 | 2 |
| 2021 | 2 | 5 |
| 2022 | 1 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 7 |
| 2025 | 5 | 6 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the preparation of omega-amino-carboxylic acids and derivatives thereof2 Dec 2025US 12,486,468 B2Versalis S.P.A.
- Process for manufacturing aminoundecanoic acid and aminodecanoic acid30 Sep 2025US 12,428,368 B2Arkema France
- Hypoallergenic aspartic resin complex and preparation process thereof3 Jun 2025US 12,319,638 B1Shenzhen Feiyang Protech Corp., Ltd
- Synthesis of nirogacestat11 Mar 2025US 12,247,012 B2Springworks Therapeutics, Inc.
- Synthesis of nirogacestat25 Feb 2025US 12,234,210 B2Springworks Therapeutics, Inc.
- Renewably derived polyamides and methods of making the same13 Aug 2026US 2026/0234328 A1Wilmar Trading Pte. Ltd.
- Surfactant compositions derived from waste streams, and methods30 Jul 2026US 2026/0218053 A1Kemira Oyj
- Methods for preparing beta-alanine, beta-alanine salt and pantothenate9 Jul 2026US 2026/0193169 A1Guang An Mojia Biotechnology Co., Ltd.
- Derivatives of menthol and uses thereof8 Jan 2026US 2026/0007587 A1Fona Technologies, LLC
- Crystalline form of indaziflam, methods for its preparation and use thereof18 Dec 2025US 2025/0382272 A1Adama Agan Ltd.
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