C10G 21/06
Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with
Official title: characterised by the solvent used
C10G21/06 (Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with) appears on 615 US grants and 634 published applications in this corpus.
Search patents in C10G- Granted patents
- 615
- Published applications
- 634
- Assignees
- 302
- Inventors
- 1,586
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 7 |
| 2003 | 9 | 11 |
| 2004 | 4 | 8 |
| 2005 | 4 | 6 |
| 2006 | 6 | 4 |
| 2007 | 6 | 13 |
| 2008 | 3 | 9 |
| 2009 | 5 | 29 |
| 2010 | 12 | 20 |
| 2011 | 9 | 33 |
| 2012 | 16 | 30 |
| 2013 | 22 | 40 |
| 2014 | 33 | 68 |
| 2015 | 46 | 54 |
| 2016 | 43 | 35 |
| 2017 | 37 | 45 |
| 2018 | 38 | 37 |
| 2019 | 31 | 30 |
| 2020 | 37 | 30 |
| 2021 | 26 | 27 |
| 2022 | 25 | 28 |
| 2023 | 8 | 21 |
| 2024 | 13 | 14 |
| 2025 | 20 | 20 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Process for recycling a circular hydrocarbon from a used high performance lubricant16 Jun 2026US 12,655,364 B2ExxonMobil Technology and Engineering Company
- Production of hydrocarbons from recycled or renewable organic material26 May 2026US 12,637,622 B2Neste Oyj
- Method of preparing lube base oil28 Apr 2026US 12,612,565 B2SK Enmove Co., Ltd.
- Methods for producing liquid organic hydrogen carriers (LOHC)21 Apr 2026US 12,606,433 B2Saudi Arabian Oil Company
- Hydrogen sulfide scavengers17 Sep 2026US 2026/0275199 A1Ecolab USA Inc.
- Method for liquid-liquid extraction of aromatics with extract recycles streams20 Aug 2026US 2026/0242675 A1Ifp Energies Nouvelles
- Method for obtaining a wax from a pyrolysis residue13 Aug 2026US 2026/0234480 A1Omv Downstream GmbH
- Process for removing contaminants from waste plastics oil6 Aug 2026US 2026/0226354 A1Shell USA, Inc.
- Energy-efficient process for separating butenes from c4-hyrocarbons streams9 Jul 2026US 2026/0193156 A1Evonik Oxeno GmbH
Most cited
By later US patents
- Upgrading shale oil by a combination process221US 4,605,489 AOccidental Oil Shale, Inc. · 1986
- Composition and method for sweetening hydrocarbons161US 4,978,512 AQuaker Chemical Corporation · 1990
- Use of dilute aqueous solutions of alkali polysulfides to remove trace amounts of mercury from liquid hydrocarbons110US 4,915,818 AMobil Oil Corporation · 1990
- Means for and methods of removing heavy bottoms from an effluent of a high temperature flash drum92US 5,258,117 AAmoco Corporation · 1993
- Integrated process for the treatment of oil feeds for the production of fuel oils with a low sulphur and sediment content89US 9,650,580 B2Ifp Energies Nouvelles · 2017