C10G 21/02
Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with
Official title: with two or more solvents, which are introduced or withdrawn separately
C10G21/02 (Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with) appears on 55 US grants and 70 published applications in this corpus.
Search patents in C10G- Granted patents
- 55
- Published applications
- 70
- Assignees
- 44
- Inventors
- 184
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 9 |
| 2015 | 4 | 2 |
| 2016 | 3 | 2 |
| 2017 | 4 | 11 |
| 2018 | 2 | 1 |
| 2019 | 5 | 7 |
| 2020 | 6 | 4 |
| 2021 | 4 | 2 |
| 2022 | 4 | 4 |
| 2023 | 0 | 1 |
| 2024 | 2 | 3 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for the preparation of olefins, involving de-asphalting, hydroconversion, hydrocracking and steam cracking24 Sep 2024US 12,098,333 B2Ifp Energies Nouvelles
- Recovery of aliphatic hydrocarbons6 Feb 2024US 11,891,574 B2Shell USA, Inc.
- Low energy process to produce a hydrophobic oil from biomass pyrolysis liquids11 Oct 2022US 11,466,220 B2Alder Energy, LLC
- Systems and processes for upgrading natural gas liquids from shale gas2 Aug 2022US 11,402,153 B2Purdue Research Foundation
- Solvent deasphalting dearomatization process for heavy oil upgradation24 May 2022US 11,339,335 B1Bharat Petroleum Corporation Limited
- Hydrocarbon treatment including pyrolysis oil extraction30 Jul 2026US 2026/0218069 A1NOVA Chemicals (International) S.A.
- Method for stepwise extraction of phenol and pyridine compounds in naphthalene oil by deep eutectic solvents16 Apr 2026US 2026/0103641 A1Shanxi Research Institute of Huairou Laboratory
- Method for extraction and analysis of polycyclic aromatic hydrocarbons in petroleum products5 Feb 2026US 2026/0035621 A1HollyFrontier LSP Brand Strategies LLC
- Low energy process to produce a hydrophobic oil from biomass pyrolysis liquids4 Jul 2024US 2024/0218266 A1Alder Energy, LLC
- Sulfur extraction from hydrocarbons using carbonate-based solvents25 Apr 2024US 2024/0132787 A1Baker Hughes Oilfield Operations LLC
Most cited
By later US patents
- Process for upgrading diesel oils76US 4,746,420 AREI Technologies, Inc. · 1988
- Distillation-induced extraction process54US 4,450,067 AMobil Oil Corporation · 1984
- Apparatus and process for improved aromatic extraction from gasoline43US 6,303,021 B2Denim Engineering, Inc. · 2001
- Simultaneous deasphalting-extraction process34US 4,125,458 AExxon Research & Engineering Co. · 1978
- Selective re-extraction of lube extracts to reduce mutagenicity index27US 6,146,520 AMobil Oil Corporation · 2000