C07C 4/08
Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
Official title: by splitting-off an aliphatic or cycloaliphatic part from the molecule
C07C4/08 (Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms) appears on 325 US grants and 203 published applications in this corpus.
Search patents in C07C- Granted patents
- 325
- Published applications
- 203
- Assignees
- 118
- Inventors
- 656
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 6 | 0 |
| 1979 | 12 | 0 |
| 1980 | 16 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 5 |
| 2008 | 1 | 6 |
| 2009 | 1 | 1 |
| 2010 | 0 | 9 |
| 2011 | 4 | 6 |
| 2012 | 0 | 6 |
| 2013 | 5 | 9 |
| 2014 | 8 | 7 |
| 2015 | 8 | 17 |
| 2016 | 9 | 14 |
| 2017 | 7 | 7 |
| 2018 | 13 | 19 |
| 2019 | 13 | 25 |
| 2020 | 18 | 14 |
| 2021 | 22 | 16 |
| 2022 | 15 | 12 |
| 2023 | 8 | 8 |
| 2024 | 7 | 8 |
| 2025 | 4 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing light aromatic hydrocarbons6 Jan 2026US 12,516,255 B2China Petroleum & Chemical Corporation
- Supported catalyst for butane hydrogenolyis, method of producing the supported catalyst and method to produce ethane16 Sep 2025US 12,415,175 B2Sabic Global Technologies B.V.
- Processes for converting C8 aromatic hydrocarbons9 Sep 2025US 12,410,111 B2ExxonMobil Chemical Patents Inc.
- Catalytic cracking agent containing phosphorus-modified molecular sieve, preparation process thereof, preparation system and use thereof15 Jul 2025US 12,358,855 B2China Petroleum & Chemical Corporation
- Systems and methods for reforming a heavy aromatic stream11 Feb 2025US 12,221,407 B2Virent, Inc.
- Conversion of a hydrocarbon feedstock derived from oxygen-rich biomass into aromatic isocyanates23 Jul 2026US 2026/0209166 A1Ifp Energies Nouvelles
- Processes for converting waste plastics and waste plastic conversion plants14 May 2026US 2026/0132265 A1Chevron Phillips Chemical Company LP
- Catalyst system and process for chemically treating a carbon-containing feedstock using the catalyst system12 Feb 2026US 2026/0042718 A1Braskem America, Inc.
- Processes for converting unsaturated polyethylene to alkene products4 Dec 2025US 2025/0368586 A1Dow Global Technologies LLC
- An integrated process to produce phenol from coal derived liquid19 Jun 2025US 2025/0197331 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Method for producing unsaturated organics from organic-containing feeds109US 5,543,558 AMolten Metal Technology, Inc. · 1996
- Synthetic porous crystalline MCM-68, its synthesis and use81US 6,049,018 AMobil Corporation · 2000
- Zeolites76US 5,108,579 AImperial Chemical Industries PLC · 1992
- Zeolites61US 5,385,718 AImperial Chemical Industries PLC · 1995
- Zeolite NU-85 catalyst61US 5,464,799 AImperial Chemical Industries PLC · 1995