C07C 237/02
Carboxylic acid amides, the carbon skeleton of the acid part being further
Official title: having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton
C07C237/02 (Carboxylic acid amides, the carbon skeleton of the acid part being further) appears on 2,397 US grants and 2,398 published applications in this corpus.
Search patents in C07C- Granted patents
- 2,397
- Published applications
- 2,398
- Assignees
- 1,244
- Inventors
- 6,928
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 28 | 0 |
| 1992 | 34 | 0 |
| 1993 | 51 | 0 |
| 1994 | 40 | 0 |
| 1995 | 59 | 0 |
| 1996 | 59 | 0 |
| 1997 | 90 | 0 |
| 1998 | 86 | 0 |
| 1999 | 92 | 0 |
| 2000 | 70 | 0 |
| 2001 | 76 | 15 |
| 2002 | 79 | 103 |
| 2003 | 80 | 108 |
| 2004 | 54 | 116 |
| 2005 | 56 | 102 |
| 2006 | 71 | 86 |
| 2007 | 60 | 77 |
| 2008 | 48 | 103 |
| 2009 | 68 | 146 |
| 2010 | 92 | 92 |
| 2011 | 52 | 76 |
| 2012 | 67 | 100 |
| 2013 | 67 | 105 |
| 2014 | 81 | 92 |
| 2015 | 77 | 82 |
| 2016 | 95 | 103 |
| 2017 | 73 | 83 |
| 2018 | 61 | 110 |
| 2019 | 57 | 73 |
| 2020 | 71 | 103 |
| 2021 | 82 | 91 |
| 2022 | 71 | 65 |
| 2023 | 54 | 86 |
| 2024 | 54 | 85 |
| 2025 | 57 | 97 |
| 2026 | 39 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 237/04The carbon skeleton being acyclic and saturated1,246
- C07C 237/22Having nitrogen atoms of amino groups bound to the carbon skeleton of1,029
- C07C 237/20The carbon skeleton containing six-membered aromatic rings540
- C07C 237/16The carbon skeleton being acyclic and unsaturated84
- C07C 237/14The carbon skeleton being saturated and containing rings31
- C07C 237/18The carbon skeleton being unsaturated and containing rings other than six-membered aromatic11
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Most cited
By later US patents
- Cationic lipids334US 5,334,761 ALife Technologies Corporation · 1994
- Dense star polymers having core, core branches, terminal groups293US 4,507,466 AThe Dow Chemical Company · 1985
- Lipopolyamines, their preparation and their use287US 5,171,678 ACentre National De La Recherche Scientifique · 1992
- Cationic lipids and the use thereof249US 5,830,430 AImaRx Pharmaceutical Corp. · 1998
- Bioactive and/or targeted dendrimer conjugates232US 5,714,166 ADendritech, Inc. · 1998