C10G 19/00
Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
C10G19/00 (Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment) appears on 346 US grants and 288 published applications in this corpus.
Search patents in C10G- Granted patents
- 346
- Published applications
- 288
- Assignees
- 150
- Inventors
- 694
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 13 | 0 |
| 1998 | 2 | 0 |
| 1999 | 16 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 4 |
| 2002 | 5 | 3 |
| 2003 | 2 | 9 |
| 2004 | 4 | 5 |
| 2005 | 5 | 4 |
| 2006 | 5 | 7 |
| 2007 | 2 | 3 |
| 2008 | 4 | 7 |
| 2009 | 3 | 4 |
| 2010 | 7 | 10 |
| 2011 | 6 | 13 |
| 2012 | 3 | 11 |
| 2013 | 10 | 16 |
| 2014 | 15 | 21 |
| 2015 | 16 | 23 |
| 2016 | 17 | 14 |
| 2017 | 11 | 11 |
| 2018 | 12 | 19 |
| 2019 | 17 | 17 |
| 2020 | 14 | 11 |
| 2021 | 17 | 18 |
| 2022 | 11 | 12 |
| 2023 | 12 | 11 |
| 2024 | 5 | 14 |
| 2025 | 11 | 15 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C10G 19/02Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment: with213
- C10G 19/08Recovery of used refining agents76
- C10G 19/073Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment: with36
- C10G 19/067Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment: with20
Recent patents
- Processes and systems for upgrading a hydrocarbon25 Aug 2026US 12,716,038 B2ExxonMobil Chemical Patents Inc.
- 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
- Purification of waste plastics based oil via a polymerization19 May 2026US 12,630,768 B2Totalenergies Onetech
- Process for producing biodiesel with reduced monoacylglycerol content19 May 2026US 12,630,774 B2Desmet Belgium
- Removal of hydrogen sulfide and/or mercaptans from oil or oil derivatives and treatment compositions for accomplishing the same12 May 2026US 12,624,297 B1Ripcord Energy Solutions, LLC
- Method for the purification of a plastic liquefaction oil composition in a turbulent flow, and use thereof3 Sep 2026US 2026/0258307 A1Totalenergies Onetech
- Process for removing contaminants from waste plastics oil6 Aug 2026US 2026/0226354 A1Shell USA, Inc.
- Method for the purification of a plastic liquefaction oil composition11 Jun 2026US 2026/0159763 A1Totalenergies Onetech
- Process for removing inorganic contaminants from pyrolysis oils by alkali hydroxide to produce high quality steam cracker feedstocks30 Apr 2026US 2026/0117132 A1Chevron U.S.A.Inc.
- Removal of organic silicon compounds from refinery hydrocarbon streams5 Feb 2026US 2026/0035620 A1Valero Services, Inc.
Most cited
By later US patents
- Process for treatment of petroleum acids with ammonia123US 6,258,258 B1Exxon Research & Engineering Co. · 2001
- Process for desulfurization of petroleum feeds utilizing sodium metal76US 6,210,564 B1Exxon Research & Engineering Co. · 2001
- Combined desulfurization and hydroconversion with alkali metal hydroxides70US 4,003,823 AExxon Research & Engineering Co. · 1977
- Integrated solvent deasphalting and steam pyrolysis process for direct processing of a crude oil55US 9,284,497 B2Saudi Arabian Oil Company · 2016
- Process for treating heavy oil53US 3,957,620 ADaikyo Oil Company Ltd. · 1976