C07C 41/16
By reaction of esters of mineral or organic acids with hydroxy or
Official title: by reaction of esters of mineral or organic acids with hydroxy or O-metal groups
C07C41/16 (By reaction of esters of mineral or organic acids with hydroxy or) appears on 462 US grants and 306 published applications in this corpus.
Search patents in C07C- Granted patents
- 462
- Published applications
- 306
- Assignees
- 299
- Inventors
- 1,133
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 12 | 0 |
| 1979 | 20 | 0 |
| 1980 | 13 | 0 |
| 1981 | 23 | 0 |
| 1982 | 13 | 0 |
| 1983 | 13 | 0 |
| 1984 | 12 | 0 |
| 1985 | 8 | 0 |
| 1986 | 13 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 4 |
| 2002 | 7 | 7 |
| 2003 | 7 | 12 |
| 2004 | 7 | 19 |
| 2005 | 7 | 14 |
| 2006 | 14 | 15 |
| 2007 | 13 | 8 |
| 2008 | 5 | 9 |
| 2009 | 5 | 19 |
| 2010 | 11 | 18 |
| 2011 | 9 | 17 |
| 2012 | 8 | 6 |
| 2013 | 11 | 10 |
| 2014 | 9 | 8 |
| 2015 | 15 | 18 |
| 2016 | 14 | 20 |
| 2017 | 11 | 17 |
| 2018 | 17 | 10 |
| 2019 | 9 | 12 |
| 2020 | 11 | 8 |
| 2021 | 6 | 14 |
| 2022 | 6 | 7 |
| 2023 | 3 | 11 |
| 2024 | 3 | 9 |
| 2025 | 8 | 10 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Preparation of fluorocarbonyl compounds115US 4,357,282 AE. I. Du Pont de Nemours and Company · 1982
- Synthesis of aryl ethers88US 5,847,166 AMassachusetts Institute of Technology · 1998
- Substituted morpholine derivatives and compositions83US 4,229,449 AFarmitalia Carlo Erba S.p.A. · 1980
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds78US 6,759,554 B2Massachusetts Institute of Technology · 2004
- Diaryl ether condensation reactions77US 6,762,329 B2Massachusetts Institute of Technology · 2004