C07C 51/06
From carboxylic acid amides
Official title: from carboxylic acid amides
C07C51/06 (From carboxylic acid amides) appears on 100 US grants and 77 published applications in this corpus.
Search patents in C07C- Granted patents
- 100
- Published applications
- 77
- Assignees
- 76
- Inventors
- 242
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 10 |
| 2003 | 0 | 2 |
| 2004 | 3 | 2 |
| 2005 | 2 | 0 |
| 2006 | 3 | 5 |
| 2007 | 3 | 1 |
| 2008 | 2 | 1 |
| 2009 | 3 | 6 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 3 |
| 2013 | 2 | 2 |
| 2014 | 1 | 5 |
| 2015 | 2 | 6 |
| 2016 | 3 | 3 |
| 2017 | 1 | 2 |
| 2018 | 9 | 6 |
| 2019 | 3 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 1 | 4 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing aromatic nitrile compound25 Aug 2026US 12,715,840 B2Ube Corporation
- Method for manufacturing aromatic nitrile compound6 Aug 2024US 12,054,448 B2Api Corporation
- Compositions and methods of preparation thereof28 Nov 2023US 11,827,591 B2Apeel Technology, Inc.
- Method for isolation of an aromatic dianhydride and aromatic dianhydrides prepared by the method4 Oct 2022US 11,459,314 B2Shpp Global Technologies B.V.
- Method of producing methyl methacrylate or methacrylic acid16 Nov 2021US 11,174,215 B2Mitsubishi Chemical UK Limited
- Method for recycling a polyamide under acidic conditions27 Aug 2026US 2026/0250482 A1Syensqo Specialty Polymers USA, LLC
- Production method of dicarboxylic acid compounds and/or diamine compounds using polyamide as a raw material17 Apr 2025US 2025/0122145 A1Asahi Kasei Kabushiki Kaisha
- Method for manufacturing aromatic nitrile compound24 Oct 2024US 2024/0351978 A1Api Corporation
- Compositions and methods of preparation thereof21 Mar 2024US 2024/0092719 A1Apeel Technology, Inc.
- Process of making organic compounds22 Feb 2024US 2024/0059636 A1Givaudan SA
Most cited
By later US patents
- Process for treating a material comprising a polymer by hydrolysis152US 5,905,168 ARhone-Poulenc Chimie · 1999
- Substituted piperazine compounds optionally containing a quinolyl moiety for treating multidrug resistance55US 6,693,099 B2The Procter & Gamble Company · 2004
- Heterocyclic alkyl naphthols17US 4,327,022 ASterling Drug Inc. · 1982
- Process for production of methacrylic acid16US 7,253,307 B1Rohm and Haas Company · 2007
- Process for producing .alpha.,.beta.-unsaturated carboxylic acids or esters thereof15US 4,464,539 AMitsui Toatsu Chemicals, Inc. · 1984