C07C 45/32
With molecular oxygen
Official title: with molecular oxygen
C07C45/32 (With molecular oxygen) appears on 1,434 US grants and 760 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,434
- Published applications
- 760
- Assignees
- 489
- Inventors
- 2,697
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 65 | 0 |
| 1977 | 49 | 0 |
| 1978 | 37 | 0 |
| 1979 | 35 | 0 |
| 1980 | 46 | 0 |
| 1981 | 37 | 0 |
| 1982 | 39 | 0 |
| 1983 | 30 | 0 |
| 1984 | 34 | 0 |
| 1985 | 36 | 0 |
| 1986 | 20 | 0 |
| 1987 | 12 | 0 |
| 1988 | 22 | 0 |
| 1989 | 26 | 0 |
| 1990 | 34 | 0 |
| 1991 | 18 | 0 |
| 1992 | 30 | 0 |
| 1993 | 35 | 0 |
| 1994 | 23 | 0 |
| 1995 | 13 | 0 |
| 1996 | 8 | 0 |
| 1997 | 14 | 0 |
| 1998 | 28 | 0 |
| 1999 | 36 | 0 |
| 2000 | 32 | 0 |
| 2001 | 35 | 12 |
| 2002 | 43 | 36 |
| 2003 | 32 | 34 |
| 2004 | 34 | 72 |
| 2005 | 25 | 56 |
| 2006 | 46 | 45 |
| 2007 | 40 | 50 |
| 2008 | 37 | 36 |
| 2009 | 37 | 36 |
| 2010 | 32 | 32 |
| 2011 | 22 | 25 |
| 2012 | 23 | 23 |
| 2013 | 28 | 22 |
| 2014 | 23 | 27 |
| 2015 | 29 | 35 |
| 2016 | 33 | 35 |
| 2017 | 29 | 17 |
| 2018 | 15 | 18 |
| 2019 | 21 | 20 |
| 2020 | 19 | 21 |
| 2021 | 18 | 18 |
| 2022 | 12 | 20 |
| 2023 | 12 | 20 |
| 2024 | 8 | 26 |
| 2025 | 7 | 17 |
| 2026 | 15 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing fluorenone25 Aug 2026US 12,715,831 B2Mitsubishi Gas Chemical Company, Inc.
- Method for producing (meth)acrolein and method for producing (meth)acrylic acid25 Aug 2026US 12,715,833 B2Mitsubishi Chemical Corporation
- Catalyst28 Jul 2026US 12,691,438 B2Mitsubishi Chemical Corporation
- Production of acrolein or acrylic acid from iso-propanol with high yeild and low cost14 Jul 2026US 12,679,795 B2Rohm and Haas Company
- Catalyst, method for filling catalyst, and method for producing compound using catalyst7 Jul 2026US 12,673,316 B2Nippon Kayaku Kabushiki Kaisha
- Processes for the preparation of citral and interrelated products24 Sep 2026US 2026/0285794 A1BASF SE
- Oxidation of olefin into ketone2 Jul 2026US 2026/0183758 A1Centre National De La Recherche Scientifique
- Method for producing unsaturated aldehyde and device for producing unsaturated aldehyde14 May 2026US 2026/0132097 A1Nippon Kayaku Kabushiki Kaisha
- Acrolein and/or acrylic acid production from propylene with reduced amount of high boiling point byproducts9 Apr 2026US 2026/0097375 A1
- Chromium-catalyzed reactions of carbon monoxide with hydrocarbons in the presence of uv light26 Mar 2026US 2026/0084137 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Methods for identifying and optimizing materials in microfluidic systems177US 6,737,026 B1Symyx Technologies, Inc. · 2004
- Chemical processing microsystems comprising parallel flow microreactors and methods for using same166US 6,749,814 B1Symyx Technologies, Inc. · 2004
- Catalytic oxidation of alkanes92US 5,132,472 ASun Refining and Marketing Company · 1992
- Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid76US 5,198,578 APlastics Technology Corporation · 1993
- Cyclic autothermal hydrocarbon reforming process74US 6,761,838 B2The BOC Group, Inc. · 2004