C10G 67/04
Including solvent extraction as the refining step in the absence of hydrogen
Official title: including solvent extraction as the refining step in the absence of hydrogen
C10G67/04 (Including solvent extraction as the refining step in the absence of hydrogen) appears on 513 US grants and 505 published applications in this corpus.
Search patents in C10G- Granted patents
- 513
- Published applications
- 505
- Assignees
- 138
- Inventors
- 1,085
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 5 |
| 2003 | 6 | 9 |
| 2004 | 1 | 6 |
| 2005 | 3 | 2 |
| 2006 | 3 | 9 |
| 2007 | 4 | 9 |
| 2008 | 2 | 14 |
| 2009 | 5 | 15 |
| 2010 | 11 | 24 |
| 2011 | 11 | 16 |
| 2012 | 10 | 11 |
| 2013 | 17 | 32 |
| 2014 | 13 | 31 |
| 2015 | 29 | 23 |
| 2016 | 16 | 35 |
| 2017 | 23 | 33 |
| 2018 | 24 | 39 |
| 2019 | 28 | 17 |
| 2020 | 34 | 28 |
| 2021 | 32 | 27 |
| 2022 | 21 | 30 |
| 2023 | 20 | 35 |
| 2024 | 22 | 32 |
| 2025 | 34 | 13 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of processing, transporting, or both, of hydrogen28 Apr 2026US 12,612,566 B2Saudi Arabian Oil Company
- Methods for producing liquid organic hydrogen carriers (LOHC)21 Apr 2026US 12,606,433 B2Saudi Arabian Oil Company
- Method of producing lube base oil and lube base oil produced thereby21 Apr 2026US 12,606,755 B2SK Enmove Co., Ltd.
- Method for producing high quality base oils using two stage hydrofinishing17 Mar 2026US 12,577,478 B2Chevron U.S.A.Inc.
- Steam cracking process for converting crude oils to pitch compositions spinnable into carbon articles10 Mar 2026US 12,570,905 B2ExxonMobil Technology and Engineering Company
- Method for the purification of a plastic liquefaction oil composition in a turbulent flow, and use thereof3 Sep 2026US 2026/0258307 A1Totalenergies Onetech
- Hydrocarbon treatment including pyrolysis oil extraction30 Jul 2026US 2026/0218069 A1NOVA Chemicals (International) S.A.
- Method for the fixed-bed treatment of a heavy fossil-based feedstock comprising a fraction of plastic pyrolysis oil9 Jul 2026US 2026/0193551 A1Ifp Energies Nouvelles
- Steam Cracking a Hydrocarbon Feed Comprising Arsenic11 Jun 2026US 2026/0159768 A1
- Integrated method for producing long-chain linear olefins and aviation kerosene by homogeneous metathesis14 May 2026US 2026/0132344 A1Petroleo Brasileiro S.A. - Petrobras
Most cited
By later US patents
- Base oil manufacturing plant246US 8,956,581 B2Chevron U.S.A.Inc. · 2015
- Oil stabilization228US 5,059,303 AAmoco Corporation · 1991
- Process for manufacturing improved process oils using extraction of hydrotreated distillates208US 6,110,358 AExxon Research & Engineering Co. · 2000
- Premium synthetic lubricant base stock having at least 95% non-cyclic isoparaffins166US 6,080,301 AExxonMobil Research and Engineering Company · 2000
- Process for hydroconversion and upgrading of heavy crudes of high metal and asphaltene content121US 4,591,426 AIntevep, S. A. · 1986