C07C 4/02
Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
Official title: by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
C07C4/02 (Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms) appears on 967 US grants and 973 published applications in this corpus.
Search patents in C07C- Granted patents
- 967
- Published applications
- 973
- Assignees
- 310
- Inventors
- 2,198
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 15 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 17 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 7 | 4 |
| 2002 | 9 | 7 |
| 2003 | 6 | 9 |
| 2004 | 3 | 9 |
| 2005 | 8 | 8 |
| 2006 | 8 | 11 |
| 2007 | 7 | 27 |
| 2008 | 15 | 14 |
| 2009 | 13 | 32 |
| 2010 | 12 | 36 |
| 2011 | 26 | 31 |
| 2012 | 21 | 29 |
| 2013 | 14 | 44 |
| 2014 | 26 | 73 |
| 2015 | 43 | 75 |
| 2016 | 61 | 42 |
| 2017 | 66 | 43 |
| 2018 | 50 | 46 |
| 2019 | 46 | 59 |
| 2020 | 55 | 40 |
| 2021 | 51 | 76 |
| 2022 | 62 | 50 |
| 2023 | 44 | 58 |
| 2024 | 37 | 67 |
| 2025 | 42 | 37 |
| 2026 | 25 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- 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
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