C07C 231/12
Preparation of carboxylic acid amides: by reactions not involving the formation of
Official title: by reactions not involving the formation of carboxamide groups
C07C231/12 (Preparation of carboxylic acid amides: by reactions not involving the formation of) appears on 1,002 US grants and 1,065 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,002
- Published applications
- 1,065
- Assignees
- 675
- Inventors
- 3,238
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 14 | 0 |
| 1995 | 17 | 0 |
| 1996 | 19 | 0 |
| 1997 | 17 | 0 |
| 1998 | 23 | 0 |
| 1999 | 19 | 0 |
| 2000 | 22 | 0 |
| 2001 | 11 | 5 |
| 2002 | 23 | 16 |
| 2003 | 16 | 29 |
| 2004 | 14 | 30 |
| 2005 | 21 | 23 |
| 2006 | 21 | 26 |
| 2007 | 21 | 28 |
| 2008 | 11 | 21 |
| 2009 | 12 | 43 |
| 2010 | 20 | 49 |
| 2011 | 19 | 46 |
| 2012 | 30 | 43 |
| 2013 | 38 | 69 |
| 2014 | 49 | 59 |
| 2015 | 68 | 60 |
| 2016 | 54 | 74 |
| 2017 | 49 | 46 |
| 2018 | 40 | 63 |
| 2019 | 51 | 54 |
| 2020 | 51 | 53 |
| 2021 | 44 | 48 |
| 2022 | 36 | 50 |
| 2023 | 22 | 47 |
| 2024 | 26 | 31 |
| 2025 | 27 | 27 |
| 2026 | 14 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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