C07C 5/367
Formation of an aromatic six-membered ring from an existing six-membered ring
Official title: Formation of an aromatic six-membered ring from an existing six-membered ring, e.g. dehydrogenation of ethylcyclohexane to ethylbenzene
C07C5/367 (Formation of an aromatic six-membered ring from an existing six-membered ring) appears on 203 US grants and 130 published applications in this corpus.
Search patents in C07C- Granted patents
- 203
- Published applications
- 130
- Assignees
- 76
- Inventors
- 388
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 9 | 0 |
| 1978 | 16 | 0 |
| 1979 | 12 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 9 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 7 |
| 2013 | 1 | 4 |
| 2014 | 7 | 17 |
| 2015 | 17 | 21 |
| 2016 | 13 | 11 |
| 2017 | 12 | 5 |
| 2018 | 10 | 9 |
| 2019 | 8 | 10 |
| 2020 | 8 | 5 |
| 2021 | 7 | 9 |
| 2022 | 4 | 3 |
| 2023 | 7 | 6 |
| 2024 | 1 | 1 |
| 2025 | 3 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods for dehydrogenation of perhydro-benzyltoluene22 Apr 2025US 12,281,064 B2Chevron U.S.A.Inc.
- Process for catalytically converting naphtha to light olefins11 Mar 2025US 12,247,005 B2Uop LLC
- Method for producing 1,4-dimethylnaphthalene4 Mar 2025US 12,240,805 B2Sato Planning Co., Ltd
- Circular economic methods for fragrance ingredients16 Jan 2024US 11,873,277 B2International Flavors & Fragrances Inc.
- Process of controlling provision of a hydrogen stream5 Mar 2026US 2026/0062363 A1Uop LLC
- Process for increasing the hydrogen purity and recovery in dehydrogenation5 Feb 2026US 2026/0035322 A1Uop LLC
- Process of producing toluene5 Feb 2026US 2026/0035323 A1Uop LLC
- Process of producing toluene21 Aug 2025US 2025/0263356 A1Uop LLC
- Heterogeneous catalyst based on molybdenum oxide and its use in biomass transformation processes15 May 2025US 2025/0153150 A1Instituto Mexicano Del Petroleo
Most cited
By later US patents
- Controlled combustion for regenerative reactors with mixer/flow distributor122US 7,815,873 B2ExxonMobil Research and Engineering Company · 2010
- Dehydrogenation process65US 5,449,848 AAgency of Industrial Science and Technology · 1995
- Method for preparing polyphenyls42US 3,962,362 ATexaco Development Corporation · 1976
- Novel catalyst and its use for steam hydroconversion and dealkylation processes37US 4,013,734 AExxon Research & Engineering Co. · 1977
- Perovskite catalysts and process for their preparation36US 4,055,513 AExxon Research & Engineering Co. · 1977