C07C 4/04
Thermal processes
Official title: Thermal processes {(C07C4/025 takes precedence)}
C07C4/04 (Thermal processes) appears on 260 US grants and 307 published applications in this corpus.
Search patents in C07C- Granted patents
- 260
- Published applications
- 307
- Assignees
- 121
- Inventors
- 753
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 3 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 0 | 3 |
| 2011 | 4 | 6 |
| 2012 | 4 | 9 |
| 2013 | 2 | 7 |
| 2014 | 5 | 16 |
| 2015 | 8 | 25 |
| 2016 | 17 | 13 |
| 2017 | 18 | 19 |
| 2018 | 17 | 13 |
| 2019 | 9 | 17 |
| 2020 | 15 | 11 |
| 2021 | 11 | 35 |
| 2022 | 27 | 24 |
| 2023 | 17 | 23 |
| 2024 | 16 | 24 |
| 2025 | 18 | 22 |
| 2026 | 9 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dehydrogenation and pyrolysis product recovery with heat integration8 Sep 2026US 12,728,378 B2Uop LLC
- Steam cracking method utilizing electricity for providing energy1 Sep 2026US 12,723,202 B2Beijing Carbon Zero Hydrogen Electric Technology Co., Ltd.
- Use of renewable energy in methanol synthesis14 Jul 2026US 12,678,760 B2Sabic Global Technologies B.V.
- Flexible production of benzene and derivatives thereof via oligomerization of ethylene26 May 2026US 12,637,399 B2Chevron Phillips Chemical Company LP
- Separation of hydrogen, methane, ethane, and propane in naphtha to ethane and propane fractionation section based on a dividing wall fractionation column integration12 May 2026US 12,623,980 B2Uop LLC
- Direct heating electric tube for upgrading hydrocarbons with controlled tube material temperature8 Oct 2026US 2026/0308458 A1Dow Global Technologies LLC
- Methods for heat integration of a hydrocarbon upgrading system including an electrified furnace8 Oct 2026US 2026/0308459 A1Dow Global Technologies LLC
- Systems and process for the production of hydrocarbon products27 Aug 2026US 2026/0250585 A1Sabic Global Technologies B.V.
- Method for controlling a heat-consuming hydrocarbon conversion process13 Aug 2026US 2026/0233185 A1Base SE
- Thermal energy recovery devices for electrically heated cracking processes6 Aug 2026US 2026/0226353 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Catalytic wall reactors and use of catalytic wall reactors for methane coupling and hydrocarbon cracking reactions108US 5,599,510 AAmoco Corporation · 1997
- Production of olefins from biorenewable feedstocks71US 7,288,685 B2Uop LLC · 2007
- Integrated cracking and olefins derivative process utilizing dilute olefins69US 5,981,818 AStone & Webster Engineering Corp. · 1999
- Olefin production utilizing whole crude oil and mild controlled cavitation assisted cracking63US 6,979,757 B2Equistar Chemicals, LP · 2005
- Zeolite ITQ-362US 6,500,404 B1Consejo Superior de Investigacones Cientificas · 2002