C07C 227/26
From compounds containing carboxyl groups by reaction with hcn, or a salt
Official title: from compounds containing carboxyl groups by reaction with HCN, or a salt thereof, and amines, or from aminonitriles
C07C227/26 (From compounds containing carboxyl groups by reaction with hcn, or a salt) appears on 47 US grants and 36 published applications in this corpus.
Search patents in C07C- Granted patents
- 47
- Published applications
- 36
- Assignees
- 30
- Inventors
- 123
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 4 | 1 |
| 2019 | 3 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 6 |
| 2022 | 2 | 1 |
| 2023 | 2 | 7 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of forming a chelating composition28 Jul 2026US 12,692,222 B2Nouryon Chemicals International B. V.
- Synthesis of nirogacestat11 Mar 2025US 12,247,012 B2Springworks Therapeutics, Inc.
- Synthesis of nirogacestat25 Feb 2025US 12,234,210 B2Springworks Therapeutics, Inc.
- Synthesis of nirogacestat8 Oct 2024US 12,110,277 B2Springworks Therapeutics, Inc.
- Salts formed by 2-(1-acyloxy-n-pentyl) benzoic acid and basic amino acid or aminoguanidine, and preparation method and application thereof14 Nov 2023US 11,814,352 B2Jiangsu Kanion Pharmaceutical Co., Ltd.
- Synthesis of nirogacestat27 Nov 2025US 2025/0361212 A1Springworks Therapeutics, Inc.
- Compositions of matter from unsaturated nitriles1 May 2025US 2025/0136561 A1INV Nylon Chemicals Americas, LLC
- Chelating composition and method of forming30 Nov 2023US 2023/0382845 A1Nouryon Chemicals International B. V.
- Method of forming a chelating composition30 Nov 2023US 2023/0382846 A1Nouryon Chemicals International B. V.
- Method of forming a chelating composition30 Nov 2023US 2023/0382847 A1Nouryon Chemicals International B. V.
Most cited
By later US patents
- Use of glycine-N,N-diacetic acid derivatives as biodegradable complexing agents for alkaline earth metal ions and heavy metal ions and process for the preparation thereof59US 5,786,313 ABASF SE · 1998
- Preparation of glycine-N,N-diacetic acid derivatives25US 5,849,950 ABASF SE · 1998
- Preparation of ethylenediaminetriacetic acid23US 5,250,728 AHampshire Chemical Corp. · 1993
- (Cyanomethylene) phosphoranes as carbonyl 1,1-dipole synthons for use in constructing combinatorial libraries18US 5,834,588 AYale University · 1998
- Use of glycine-N,N-diacetic acid derivatives as biodegradable complexing agents for alkaline earth metal ions and heavy metal ions and process for the preparation thereof13US 6,005,141 ABASF SE · 1999