C07C 51/313
With molecular oxygen
Official title: {with molecular oxygen}
C07C51/313 (With molecular oxygen) appears on 271 US grants and 105 published applications in this corpus.
Search patents in C07C- Granted patents
- 271
- Published applications
- 105
- Assignees
- 135
- Inventors
- 510
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 15 | 0 |
| 1978 | 14 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 4 |
| 2002 | 13 | 5 |
| 2003 | 5 | 5 |
| 2004 | 3 | 6 |
| 2005 | 2 | 7 |
| 2006 | 10 | 10 |
| 2007 | 2 | 3 |
| 2008 | 5 | 10 |
| 2009 | 6 | 8 |
| 2010 | 10 | 7 |
| 2011 | 9 | 1 |
| 2012 | 3 | 6 |
| 2013 | 3 | 5 |
| 2014 | 5 | 6 |
| 2015 | 5 | 2 |
| 2016 | 4 | 4 |
| 2017 | 4 | 4 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 5 | 4 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing linear hydrocarbon double acid with cyclic hydrocarbon oxidation catalyst24 Mar 2026US 12,583,811 B2Hanwha Solutions Corporation
- Methods of depolymerizing lignin4 Feb 2025US 12,215,077 B2Wisconsin Alumni Research Foundation
- Single step process for the oxidation of cyclohexane25 Oct 2022US 11,479,523 B2Council of Scientific and Industrial Research
- Catalyst for catalytic oxidation of furfural to prepare maleic acid and application thereof1 Feb 2022US 11,235,314 B2Hefei Energy Research Institute
- Immobilized metalloporphyrin catalyst and its utilization in maleic acid preparation7 Sep 2021US 11,110,445 B2Jiangnan University
- Photocatalytic valorization of lignin19 Jun 2025US 2025/0197435 A1The Trustees of Boston College
- Method for preparing linear hydrocarbon double acid with cyclic hydrocarbon oxidation catalyst17 Oct 2024US 2024/0343668 A1Hanwha Solutions Corporation
- Methods of depolymerizing lignin28 Apr 2022US 2022/0127217 A1Wisconsin Alumni Research Foundation
- Catalyst for Catalytic Oxidation of Furfural to Prepare Maleic Acid and Application Thereof27 May 2021US 2021/0154647 A1Hefei Energy Research Institute
- A single step process for the oxidation of cyclohexane6 May 2021US 2021/0130278 A1Council of Scientific and Industrial Research
Most cited
By later US patents
- Non-aged inorganic oxide-containing aerogels and their preparation88US 4,619,908 AStauffer Chemical Company · 1986
- Process for the oxidation of di-, tri-, Oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained70US 4,985,553 ARoquette Freres · 1991
- Catalytic vapor phase oxidation reactor apparatus62US 4,256,783 ANippon Skokubei Kagaku Kogyo Co., Ltd. · 1981
- Process for catalytic vapor phase oxidation58US 4,203,906 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1980
- Method for producing shell catalysts for catalytic gas-phase oxidation of aromatic hydrocarbons55US 6,288,273 B1BASF SE · 2001