C10G 61/04
The refining step being an extraction
Official title: the refining step being an extraction
C10G61/04 (The refining step being an extraction) appears on 39 US grants and 38 published applications in this corpus.
Search patents in C10G- Granted patents
- 39
- Published applications
- 38
- Assignees
- 26
- Inventors
- 130
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 3 | 3 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 3 | 2 |
| 2021 | 3 | 3 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 4 | 8 |
| 2025 | 4 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Unit for producing and separating aromatics with recovery of an extract and/or raffinate from a liquid-liquid extraction process28 Jul 2026US 12,692,447 B2Ifp Energies Nouvelles
- Methods of processing, transporting, or both, of hydrogen21 Jul 2026US 12,686,827 B2Saudi Arabian Oil Company
- Methods for processing a hydrocarbon oil feed stream utilizing a delayed coker, steam enhanced catalytic cracker, and an aromatics complex5 Aug 2025US 12,378,485 B2Saudi Arabian Oil Company
- Process of producing high-quality lube base oil by using refined oil fraction of waste lubricant18 Feb 2025US 12,227,705 B2SK Enmove Co., Ltd.
- Methods for processing a hydrocarbon oil feed stream utilizing a delayed coker, steam enhanced catalytic cracker, and an aromatics complex18 Feb 2025US 12,227,708 B2Saudi Arabian Oil Company
- Use of blend of polystyrene with hydrocarbon feedstock for gasoline and chemicals preparation3 Jul 2025US 2025/0215330 A1Chevron U.S.A.Inc.
- Methods of processing, transporting, or both, of hydrogen19 Jun 2025US 2025/0197740 A1Saudi Arabian Oil Company
- Unit for producing and separating aromatics with recovery of an extract and/or raffinate from a liquid-liquid extraction process19 Dec 2024US 2024/0417631 A1Ifp Energies Nouvelles
- Method and system for producing refined hydrocarbons from waste plastics24 Oct 2024US 2024/0352348 A1SK Geo Centric Co., Ltd.
- Integrated processes and systems for producing para-xylenes19 Sep 2024US 2024/0309280 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Reforming process for producing high-purity benzene47US 5,401,386 AChevron Research and Technology Company · 1995
- Method for producing aromatic hydrocarbons45US 5,877,368 ASanyo Petrochemical Co., Ltd. · 1999
- Hydroprocessing scheme for production of premium isomerized light gasoline38US 5,576,256 AIntevep, S. A. · 1996
- Reforming process for enhanced benzene yield27US 4,594,145 AExxon Research & Engineering Co. · 1986
- Process for manufacturing and separating from petroleum cuts aromatic hydrocarbons of high purity26US 3,992,465 AInstitut Francais du Petrole, des Carburants et Lubrifiants et Entreprise de Recherches et d'Activities Petrolieres Elf · 1976