C07C 2/56
Addition to acyclic hydrocarbons
C07C2/56 (Addition to acyclic hydrocarbons) appears on 736 US grants and 379 published applications in this corpus.
Search patents in C07C- Granted patents
- 736
- Published applications
- 379
- Assignees
- 138
- Inventors
- 914
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 30 | 0 |
| 1978 | 23 | 0 |
| 1979 | 12 | 0 |
| 1980 | 20 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 28 | 0 |
| 1994 | 42 | 0 |
| 1995 | 27 | 0 |
| 1996 | 30 | 0 |
| 1997 | 22 | 0 |
| 1998 | 29 | 0 |
| 1999 | 16 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 0 |
| 2002 | 8 | 8 |
| 2003 | 7 | 14 |
| 2004 | 6 | 15 |
| 2005 | 10 | 9 |
| 2006 | 6 | 8 |
| 2007 | 7 | 14 |
| 2008 | 12 | 18 |
| 2009 | 10 | 15 |
| 2010 | 10 | 22 |
| 2011 | 13 | 23 |
| 2012 | 22 | 28 |
| 2013 | 13 | 13 |
| 2014 | 27 | 19 |
| 2015 | 11 | 22 |
| 2016 | 19 | 21 |
| 2017 | 14 | 30 |
| 2018 | 17 | 24 |
| 2019 | 24 | 17 |
| 2020 | 21 | 12 |
| 2021 | 13 | 14 |
| 2022 | 10 | 16 |
| 2023 | 10 | 11 |
| 2024 | 10 | 3 |
| 2025 | 8 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solid-acid catalyzed paraffin alkylation with rare earth-modified molecular sieve adsorbents19 May 2026US 12,630,489 B2Exelus, Inc.
- Flexible production of gasoline and jet fuel in alkylation reactor24 Mar 2026US 12,582,960 B2Lummus Technology Inc.
- Process for producing an oligomerization catalyst having a hydrothermal treatment step2 Dec 2025US 12,485,404 B2Evonik Oxeno GmbH
- Propylene oligomerization processes with enhanced olefinic yields7 Oct 2025US 12,435,014 B1Chevron U.S.A.Inc.
- Dividing wall column in alkylation process for reactor recycle and product separation27 May 2025US 12,312,289 B2Kellogg Brown & Root LLC
- System and method for alkylation of hydrocarbons23 Jul 2026US 2026/0208141 A1Valero Services, Inc.
- Photocatalysts, preparation and use thereof4 Dec 2025US 2025/0367649 A1The Royal Institution for the Advancement of Learning/Mcgill University
- Reactor for non-oxidative direct conversion of methane, and method for preparing c2 hydrocarbon compounds and aromatic compounds by using same26 Jun 2025US 2025/0206683 A1Korea Research Institute of Chemical Technology
- Ionic liquid alkylation of isobutane with ethylene to produce alkylate4 Jul 2024US 2024/0217897 A1Chevron U.S.A.Inc.
- Composite ionic liquid and preparation method and use thereof4 Apr 2024US 2024/0109056 A1China University of Petroleum-Beijing
Most cited
By later US patents
- Method for manufacturing alkylate oil with composite ionic liquid used as catalyst91US 7,285,698 B2University of Petroleum, Beijing · 2007
- Paraffin alkylation process68US 5,157,196 AChemical Research & Licensing Company · 1992
- Solid catalyst alkylation process68US 5,895,831 AUop LLC · 1999
- Hydrocarbon conversion process using a supported perfluorinated polymer catalyst61US 4,038,213 AShell Oil Company · 1977
- Cocurrent simulated moving bed hydrocarbon alkylation process61US 5,523,503 AUop LLC · 1996