C07C 2/44
Of conjugated dienes only
Official title: of conjugated dienes only
C07C2/44 (Of conjugated dienes only) appears on 39 US grants and 28 published applications in this corpus.
Search patents in C07C- Granted patents
- 39
- Published applications
- 28
- Assignees
- 36
- Inventors
- 133
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 4 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flexible benzene production via selective-higher-olefin oligomerization of ethylene7 Oct 2025US 12,435,016 B2Chevron Phillips Chemical Company LP
- 1,5,9-cyclododecatriene composition and continuous preparation method therefor29 Apr 2025US 12,286,388 B2Hanwha Solutions Corporation
- Depolymerization of oligomers and polymers comprising cyclobutane units31 Dec 2024US 12,180,149 B2The Trustees of Princeton University
- Method for conversion of diols to olefin products10 Oct 2023US 11,780,787 B2UT-Battelle, LLC
- Processes and systems for the conversion of hydrocarbons16 Aug 2022US 11,414,362 B2ExxonMobil Chemical Patents Inc.
- Systems and methods for producing a dimethylcyclooctane-based aviation fuel from isoprene30 Apr 2026US 2026/0117135 A1CleanJoule, Inc.
- Process synthesizing sustainable aviation fuel compositions2 Apr 2026US 2026/0092023 A1Visolis, Inc.
- Process for synthesizing polymer compositions from starting materials comprising a double bond2 Apr 2026US 2026/0092130 A1Visolis, Inc.
- Compositions for fuel blending made by a sustainable process, and sustainable fuel compositions therefrom2 Apr 2026US 2026/0092228 A1Visolis, Inc.
- High energy density rocket fuel compositions26 Feb 2026US 2026/0055330 A1Visolis, Inc.
Most cited
By later US patents
- Process for the vapor-phase thermal cracking of dicyclopentadiene and a process for the manufacture of high purity dicyclopentadiene14US 5,321,177 AMaruzen Petrochemical Co., Ltd. · 1994
- Process for preparing cyclododecatriene12US 8,168,841 B2Evonik Degussa GmbH · 2012
- Chiral phosphorus compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions10US 5,099,077 ASociete Chimique des Charbonnages S.A. · 1992
- Chiral phosphorus compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions9US 4,877,908 ANorsolor · 1989
- Process for the thermal dimerization of butadiene8US 4,396,787 ADeutsche Texaco Aktiengesellschaft · 1983