C07C 51/10
Preparation of carboxylic acids or their salts, halides or anhydrides: by reaction
Official title: by reaction with carbon monoxide
C07C51/10 (Preparation of carboxylic acids or their salts, halides or anhydrides: by reaction) appears on 972 US grants and 537 published applications in this corpus.
Search patents in C07C- Granted patents
- 972
- Published applications
- 537
- Assignees
- 241
- Inventors
- 1,291
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 13 | 0 |
| 1978 | 16 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 14 | 0 |
| 1982 | 20 | 0 |
| 1983 | 10 | 0 |
| 1984 | 24 | 0 |
| 1985 | 17 | 0 |
| 1986 | 22 | 0 |
| 1987 | 26 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 14 | 0 |
| 1991 | 21 | 0 |
| 1992 | 19 | 0 |
| 1993 | 31 | 0 |
| 1994 | 29 | 0 |
| 1995 | 17 | 0 |
| 1996 | 14 | 0 |
| 1997 | 23 | 0 |
| 1998 | 24 | 0 |
| 1999 | 26 | 0 |
| 2000 | 22 | 0 |
| 2001 | 18 | 4 |
| 2002 | 26 | 10 |
| 2003 | 24 | 22 |
| 2004 | 9 | 8 |
| 2005 | 9 | 13 |
| 2006 | 9 | 13 |
| 2007 | 9 | 17 |
| 2008 | 11 | 20 |
| 2009 | 9 | 26 |
| 2010 | 21 | 18 |
| 2011 | 19 | 22 |
| 2012 | 15 | 40 |
| 2013 | 28 | 59 |
| 2014 | 46 | 27 |
| 2015 | 42 | 29 |
| 2016 | 41 | 38 |
| 2017 | 31 | 17 |
| 2018 | 17 | 26 |
| 2019 | 29 | 31 |
| 2020 | 30 | 18 |
| 2021 | 11 | 16 |
| 2022 | 8 | 18 |
| 2023 | 10 | 19 |
| 2024 | 10 | 11 |
| 2025 | 8 | 11 |
| 2026 | 10 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processes for producing carboxylic acids or alkyl esters11 Aug 2026US 12,703,674 B2Dow Global Technologies LLC
- Process for the continuous production of either acrolein or acrylic acid as the target product from propene9 Jun 2026US 12,649,710 B2BASF SE
- Acetic acid manufacturing method19 May 2026US 12,630,494 B2Kellogg Brown & Root LLC
- Methods for improved control of glacial acetic acid processes12 May 2026US 12,623,990 B2LyondellBasell Acetyls, LLC
- Removal of aldehydes in acetic acid production12 May 2026US 12,623,991 B2LyondellBasell Acetyls, LLC
- Process for the production of caboxylic acids and carbonyl compounds by utilizing carbon dioxide-rich feedstock1 Oct 2026US 2026/0297010 A1
- Catalyst system and method for carbonylation reaction23 Jul 2026US 2026/0208174 A1Shandong Nhu Fine Chemical Science and Technology Company Ltd.
- Process for preparing carbamoyloxymethyl triazole cyclohexyl acid compounds2 Jul 2026US 2026/0184685 A1Bristol-Myers Squibb Company
- Removal of aldehydes in acetic acid production22 Jan 2026US 2026/0022090 A1LyondellBasell Acetyls, LLC
- Biogas feed for production of acetic acid27 Nov 2025US 2025/0361199 A1Topsoe A/S
Most cited
By later US patents
- Methanol carbonylation process273US 5,144,068 AHoechst Celanese Corporation · 1992
- Methanol carbonylation process252US 5,001,259 AHoechst Celanese Corporation · 1991
- Low energy carbonylation process242US 6,657,078 B2Celanese International Corporation · 2003
- Methanol carbonylation process225US 5,026,908 AHoechst Celanese Corporation · 1991
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001