C07C 7/10
Purification: by extraction, i.e. purification or separation of liquid hydrocarbons with the
Official title: by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids
C07C7/10 (Purification: by extraction, i.e. purification or separation of liquid hydrocarbons with the) appears on 252 US grants and 259 published applications in this corpus.
Search patents in C07C- Granted patents
- 252
- Published applications
- 259
- Assignees
- 161
- Inventors
- 764
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 5 |
| 2005 | 1 | 4 |
| 2006 | 3 | 6 |
| 2007 | 3 | 6 |
| 2008 | 3 | 5 |
| 2009 | 3 | 2 |
| 2010 | 5 | 8 |
| 2011 | 6 | 4 |
| 2012 | 5 | 5 |
| 2013 | 5 | 15 |
| 2014 | 12 | 31 |
| 2015 | 12 | 28 |
| 2016 | 17 | 16 |
| 2017 | 16 | 13 |
| 2018 | 14 | 17 |
| 2019 | 12 | 13 |
| 2020 | 14 | 13 |
| 2021 | 9 | 13 |
| 2022 | 15 | 11 |
| 2023 | 7 | 8 |
| 2024 | 5 | 9 |
| 2025 | 6 | 11 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for treating a gas stream from plastic pyrolisis and/or biomass pyrolisis, and installation for integration into a steam cracker11 Aug 2026US 12,703,671 B2Technip Energies France
- Reactor system for acetylene absorption and selective hydrogenation30 Jun 2026US 12,668,558 B2Chevron U.S.A.Inc.
- Membrane process for butadiene extraction solvent purification10 Mar 2026US 12,570,589 B2ExxonMobil Technology and Engineering Company
- Metal-containing ionic liquids with reduced viscosity14 Oct 2025US 12,441,671 B2Chevron Phillips Chemical Company LP
- Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene12 Aug 2025US 12,384,736 B2Sulzer Management AG
- Reactor system for acetylene absorption and selective hydrogenation10 Sep 2026US 2026/0265164 A1Chevron U.S.A.Inc.
- Method for liquid-liquid extraction of aromatics with extract recycles streams20 Aug 2026US 2026/0242675 A1Ifp Energies Nouvelles
- Separation method for polycyclic aromatic hydrocarbons30 Jul 2026US 2026/0217630 A1Taiyuan University of Technology
- Process for producing monomers4 Jun 2026US 2026/0152454 A1Uop LLC
- Process for obtaining hydrocarbons, and associated plant14 May 2026US 2026/0132094 A1Totalenergies Onetech
Most cited
By later US patents
- Preparation of C5-/C6-olefins58US 6,538,168 B1BASF SE · 2003
- Systems and methods for conditioning synthetic crude oil49US 9,162,944 B2Agilyx Corporation · 2015
- System and method for selective trimerization48US 8,658,750 B2ExxonMobil Chemical Patents Inc. · 2014
- Process for the manufacture of diesel range hydrocarbons42US 8,022,258 B2Neste Oil Oyj · 2011
- Process for the manufacture of diesel range hydrocarbons38US 8,212,094 B2Neste Oil Oyj · 2012