C07C 51/12
On an oxygen-containing group in organic compounds
Official title: on an oxygen-containing group in organic compounds, e.g. alcohols
C07C51/12 (On an oxygen-containing group in organic compounds) appears on 631 US grants and 428 published applications in this corpus.
Search patents in C07C- Granted patents
- 631
- Published applications
- 428
- Assignees
- 143
- Inventors
- 746
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 18 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 16 | 0 |
| 2000 | 18 | 0 |
| 2001 | 12 | 3 |
| 2002 | 19 | 6 |
| 2003 | 19 | 16 |
| 2004 | 7 | 3 |
| 2005 | 5 | 10 |
| 2006 | 7 | 8 |
| 2007 | 6 | 12 |
| 2008 | 6 | 13 |
| 2009 | 8 | 23 |
| 2010 | 19 | 16 |
| 2011 | 18 | 20 |
| 2012 | 14 | 39 |
| 2013 | 28 | 56 |
| 2014 | 42 | 21 |
| 2015 | 37 | 18 |
| 2016 | 32 | 34 |
| 2017 | 26 | 15 |
| 2018 | 16 | 24 |
| 2019 | 24 | 19 |
| 2020 | 23 | 17 |
| 2021 | 10 | 12 |
| 2022 | 6 | 11 |
| 2023 | 9 | 16 |
| 2024 | 9 | 6 |
| 2025 | 6 | 6 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Production and purification of acetic acid14 Apr 2026US 12,600,692 B2Celanese International Corporation
- Process for producing acetic acid17 Feb 2026US 12,552,734 B2Ineos Acetyls UK Limited
- 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
- Synthetic methanol having low deuterium content from non-fossil resources25 Sep 2025US 2025/0296902 A1BASF SE
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