C07C 5/23
Rearrangement of carbon-to-carbon unsaturated bonds
C07C5/23 (Rearrangement of carbon-to-carbon unsaturated bonds) appears on 370 US grants and 277 published applications in this corpus.
Search patents in C07C- Granted patents
- 370
- Published applications
- 277
- Assignees
- 128
- Inventors
- 731
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 4 |
| 2003 | 2 | 12 |
| 2004 | 7 | 17 |
| 2005 | 9 | 6 |
| 2006 | 8 | 11 |
| 2007 | 1 | 13 |
| 2008 | 9 | 6 |
| 2009 | 6 | 9 |
| 2010 | 1 | 5 |
| 2011 | 6 | 9 |
| 2012 | 3 | 7 |
| 2013 | 6 | 12 |
| 2014 | 6 | 10 |
| 2015 | 8 | 15 |
| 2016 | 10 | 9 |
| 2017 | 8 | 8 |
| 2018 | 12 | 15 |
| 2019 | 16 | 6 |
| 2020 | 4 | 14 |
| 2021 | 12 | 22 |
| 2022 | 20 | 17 |
| 2023 | 9 | 16 |
| 2024 | 12 | 14 |
| 2025 | 9 | 5 |
| 2026 | 4 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for providing a stream comprising a high proportion of 2,4,4-trimethylpent-1-ene22 Sep 2026US 12,741,916 B2Evonik Oxeno GmbH
- Internal olefin production method18 Aug 2026US 12,709,588 B2Kao Corporation
- Processes for producing poly alpha olefins and method of analysis and apparatuses therefor4 Aug 2026US 12,698,245 B2ExxonMobil Chemical Patents Inc.
- Methods for making ethylene and methods for making propylene21 Apr 2026US 12,606,504 B2Saudi Arabian Oil Company
- PCNHCP metal complexes and uses thereof14 Oct 2025US 12,441,669 B2Technion Research & Development Foundation Limited
- Systems and process for the production of hydrocarbon products from crude oil27 Aug 2026US 2026/0250584 A1Sabic Global Technologies B.V.
- Highly efficient and stable lycopene cis-isomerization method20 Aug 2026US 2026/0242309 A1China Pharmaceutical University
- Method for purifying linear alpha olefins23 Jul 2026US 2026/0209144 A1Sabic Global Technologies B.V.
- Processes and catalysts for linear alpha-olefin purification28 May 2026US 2026/0146012 A1Sabic Global Technologies B.V.
- Integrated processes for the production of isobutylene, polyisobutylene, and highly reactive polyisobutylene from ethylene and crude c4 streams9 Apr 2026US 2026/0098002 A1NTP Tec, LLC
Most cited
By later US patents
- Manufacture of synthetic lubricant additives from low molecular weight olefins using boron trifluoride catalysts123US 4,413,156 ATexaco Inc. · 1983
- Method for producing 1-butene87US 7,485,761 B2BASF SE · 2009
- Dispersion and stabilization of reactive atoms on the surface of metal oxides58US 6,087,294 AKansas State University Research Foundation · 2000
- Hydroisomerization process57US 5,087,780 AChemical Research & Licensing Company · 1992
- Process for producing propylene and hexene from C4 olefin streams53US 6,777,582 B2ABB Lummus Global Inc. · 2004