C07C 2/82
Oxidative coupling
Official title: oxidative coupling
C07C2/82 (Oxidative coupling) appears on 520 US grants and 380 published applications in this corpus.
Search patents in C07C- Granted patents
- 520
- Published applications
- 380
- Assignees
- 181
- Inventors
- 951
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 11 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 14 | 0 |
| 1985 | 21 | 0 |
| 1986 | 8 | 0 |
| 1987 | 14 | 0 |
| 1988 | 23 | 0 |
| 1989 | 16 | 0 |
| 1990 | 21 | 0 |
| 1991 | 35 | 0 |
| 1992 | 20 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 5 |
| 2005 | 2 | 2 |
| 2006 | 0 | 2 |
| 2007 | 6 | 6 |
| 2008 | 3 | 2 |
| 2009 | 0 | 7 |
| 2010 | 3 | 8 |
| 2011 | 8 | 3 |
| 2012 | 3 | 9 |
| 2013 | 3 | 8 |
| 2014 | 8 | 42 |
| 2015 | 9 | 23 |
| 2016 | 24 | 24 |
| 2017 | 23 | 28 |
| 2018 | 20 | 27 |
| 2019 | 19 | 24 |
| 2020 | 21 | 51 |
| 2021 | 28 | 27 |
| 2022 | 23 | 24 |
| 2023 | 20 | 21 |
| 2024 | 11 | 13 |
| 2025 | 12 | 14 |
| 2026 | 12 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual-layer hollow fiber membranes and methods of making and use22 Sep 2026US 12,741,269 B2The Regents of the University of Michigan
- Catalysts and methods for methane dehydrogenation30 Jun 2026US 12,668,556 B2Chevron U.S.A.Inc.
- Olefin production device and olefin production method23 Jun 2026US 12,662,435 B2Mitsubishi Heavy Industries, Ltd.
- Methods and systems for converting carbon oxides to olefins16 Jun 2026US 12,655,075 B2Lummus Technology Inc.
- Purification of waste plastics based oil via a polymerization19 May 2026US 12,630,768 B2Totalenergies Onetech
- Photocatalytic c-c coupling reactions of terminal alkynes using cupric oxide-based mie resonator photocatalysts8 Oct 2026US 2026/0307053 A1
- Oxidative coupling of methane in hysteresis condition8 Oct 2026US 2026/0308085 A1Braskem S/A
- Lanthanum oxycarbonate catalyst and its preparation method and application3 Sep 2026US 2026/0257208 A1China Petroleum & Chemical Corporation
- Oxidative coupling catalyst, method for producing oxidative coupling catalyst, and method for producing hydrocarbons6 Aug 2026US 2026/0225078 A1Mitsubishi Heavy Industries, Ltd.
- Hydrocarbon production system and hydrocarbon production method23 Jul 2026US 2026/0209141 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation140US 6,518,476 B1Union Carbide Chemicals & Plastics Technology Corporation · 2003
- Integrated two step process for conversion of methane to liquid hydrocarbons of gasoline range124US 5,336,825 ACouncil of Scientific and Industrial Research · 1994
- Process for the conversion of natural gas to reactive gaseous products comprising ethylene113US 7,208,647 B2Synfuels International, Inc. · 2007
- Catalytic wall reactors and use of catalytic wall reactors for methane coupling and hydrocarbon cracking reactions108US 5,599,510 AAmoco Corporation · 1997
- Oxidative coupling of methane with carbon conservation102US 6,096,934 AUop LLC · 2000