C07C 4/00
Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
Official title: Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (redistribution reactions involving splitting C07C6/00; cracking hydrocarbon oils C10G)
C07C4/00 (Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms) appears on 1,382 US grants and 1,270 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,382
- Published applications
- 1,270
- Assignees
- 422
- Inventors
- 2,921
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 23 | 0 |
| 1978 | 16 | 0 |
| 1979 | 20 | 0 |
| 1980 | 22 | 0 |
| 1981 | 17 | 0 |
| 1982 | 17 | 0 |
| 1983 | 14 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 13 | 0 |
| 1987 | 20 | 0 |
| 1988 | 12 | 0 |
| 1989 | 13 | 0 |
| 1990 | 17 | 0 |
| 1991 | 23 | 0 |
| 1992 | 22 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 22 | 0 |
| 2000 | 29 | 0 |
| 2001 | 10 | 6 |
| 2002 | 11 | 16 |
| 2003 | 11 | 11 |
| 2004 | 6 | 15 |
| 2005 | 13 | 13 |
| 2006 | 9 | 11 |
| 2007 | 13 | 32 |
| 2008 | 17 | 21 |
| 2009 | 14 | 33 |
| 2010 | 13 | 43 |
| 2011 | 30 | 40 |
| 2012 | 21 | 36 |
| 2013 | 21 | 54 |
| 2014 | 34 | 80 |
| 2015 | 50 | 95 |
| 2016 | 70 | 57 |
| 2017 | 74 | 55 |
| 2018 | 68 | 64 |
| 2019 | 62 | 82 |
| 2020 | 71 | 57 |
| 2021 | 78 | 97 |
| 2022 | 81 | 72 |
| 2023 | 50 | 73 |
| 2024 | 54 | 90 |
| 2025 | 51 | 59 |
| 2026 | 33 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 4/02Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms967
- C07C 4/08Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms325
- C07C 4/22Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms88
- C07C 4/26Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms19
- C07C 4/24Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms17
Recent patents
- Catalyst for light olefins production and a process of light olefins production by using a catalyst thereof6 Oct 2026US 12,752,263 B2PTT Global Chemical Public Company Limited
- Composite catalyst, method for producing composite catalyst, and method for producing lower olefins29 Sep 2026US 12,746,536 B2Chiyoda Corporation
- Catalyst for producing light olefins from catalytic cracking of hydrocarbon having 4 to 7 carbon atoms and a process for producing light olefins by using a catalyst thereof22 Sep 2026US 12,741,276 B2PTT Global Chemical Public Company Limited
- Pyrolysis processes for upgrading a hydrocarbon feed15 Sep 2026US 12,735,648 B2ExxonMobil Chemical Patents Inc.
- Dehydrogenation and pyrolysis product recovery with heat integration8 Sep 2026US 12,728,378 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
- Methods and apparatuses for processing hydrocarbons to produce light olefins24 Sep 2026US 2026/0285784 A1King Abdullah University of Science and Technology
- Processes for producing cyclic olefins from polymers and re-polymerization thereof24 Sep 2026US 2026/0286085 A1
- Depolymerization of cross-linked polyethylene17 Sep 2026US 2026/0274770 A1Basell Poliolefine Italia S.r.l.
Most cited
By later US patents
- Crystalline metal aluminophosphates260US 4,567,029 AUnion Carbide Corporation · 1986
- Zeolite ITQ-1169US 6,077,498 AConsejo Superior Investigaciones Cientificas · 2000
- Double barrier system for an in situ conversion process168US 7,527,094 B2Shell Oil Company · 2009
- Low temperature barriers with heat interceptor wells for in situ processes162US 7,435,037 B2Shell Oil Company · 2008
- Low temperature barrier wellbores formed using water flushing147US 7,500,528 B2Shell Oil Company · 2009