C07C 5/09
To carbon-to-carbon double bonds
Official title: to carbon-to-carbon double bonds
C07C5/09 (To carbon-to-carbon double bonds) appears on 211 US grants and 223 published applications in this corpus.
Search patents in C07C- Granted patents
- 211
- Published applications
- 223
- Assignees
- 120
- Inventors
- 580
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 6 |
| 2004 | 4 | 9 |
| 2005 | 3 | 10 |
| 2006 | 5 | 3 |
| 2007 | 7 | 5 |
| 2008 | 3 | 2 |
| 2009 | 1 | 6 |
| 2010 | 3 | 11 |
| 2011 | 4 | 8 |
| 2012 | 4 | 4 |
| 2013 | 9 | 9 |
| 2014 | 6 | 22 |
| 2015 | 10 | 18 |
| 2016 | 14 | 11 |
| 2017 | 14 | 8 |
| 2018 | 10 | 11 |
| 2019 | 9 | 9 |
| 2020 | 7 | 16 |
| 2021 | 13 | 8 |
| 2022 | 5 | 14 |
| 2023 | 7 | 6 |
| 2024 | 12 | 11 |
| 2025 | 8 | 6 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst for hydrogenation reaction and manufacturing method therefor14 Jul 2026US 12,678,774 B2Korea Advanced Institute of Science and Technology
- Reactor system for acetylene absorption and selective hydrogenation30 Jun 2026US 12,668,558 B2Chevron U.S.A.Inc.
- Selective photocatalytic reduction of alkynes to alkenes powered by a cobalt-porphyrin metal-organic frameworks16 Jun 2026US 12,655,078 B2Northwestern University
- Method for selective hydrogenation of butadiene extraction tail gas and selective hydrogenation apparatus thereof10 Mar 2026US 12,570,908 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Selective photocatalytic reduction of alkynes to alkenes3 Feb 2026US 12,540,107 B2
- Reactor system for acetylene absorption and selective hydrogenation10 Sep 2026US 2026/0265164 A1Chevron U.S.A.Inc.
- Supported palladium catalyst, and preparation and use thereof13 Aug 2026US 2026/0233207 A1China Petroleum & Chemical Corporation
- Steam Cracking a Hydrocarbon Feed Comprising Arsenic11 Jun 2026US 2026/0159768 A1
- Reactor system for acetylene absorption and selective hydrogenation29 Jan 2026US 2026/0027534 A1
- Fixed bed reactor based on the principle of thermoluminescence for in-situ heat removal and in-situ temperature measurement of strong exothermic reactions29 Jan 2026US 2026/0027538 A1Beijing University of Chemical Technology
Most cited
By later US patents
- Selective hydrogenation of alkynes and/or diolefins62US 7,199,273 B2ExxonMobil Chemical Patents Inc. · 2007
- Catalytic hydrogenation process and a catalyst for use in the process43US 5,648,576 AInstitut Francais du Petrole · 1997
- Hydrocarbon hydrogenation and catalyst therefor40US 6,096,933 APhillips Petroleum Company · 2000
- Catalyst and process for the selective hydrogenation of unsaturated compounds in hydrocarbon streams38US 6,350,717 B1BASF SE · 2002
- Selective acetylene hydrogenation36US 5,510,550 APhillips Petroleum Company · 1996