C10G 17/02
Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming
Official title: with acids or acid-containing liquids, e.g. acid sludge
C10G17/02 (Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming) appears on 135 US grants and 135 published applications in this corpus.
Search patents in C10G- Granted patents
- 135
- Published applications
- 135
- Assignees
- 86
- Inventors
- 290
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 6 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 3 |
| 2009 | 1 | 6 |
| 2010 | 5 | 8 |
| 2011 | 3 | 9 |
| 2012 | 2 | 8 |
| 2013 | 8 | 8 |
| 2014 | 11 | 3 |
| 2015 | 6 | 6 |
| 2016 | 9 | 9 |
| 2017 | 5 | 5 |
| 2018 | 6 | 8 |
| 2019 | 4 | 10 |
| 2020 | 4 | 6 |
| 2021 | 12 | 10 |
| 2022 | 7 | 5 |
| 2023 | 8 | 5 |
| 2024 | 3 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of silica nanoparticles with triazine for H2S scavenging6 Oct 2026US 12,752,236 B2Nissan Chemical America Corporation
- Methods for producing graphene from coal21 Oct 2025US 12,448,293 B2Carbon Holdings Intellectual Properties, LLC
- ODSO acid medium, ODSO acid mixture medium, and uses thereof30 Sep 2025US 12,428,372 B2Saudi Arabian Oil Company
- System and method for liquid hydrocarbon desulfurization23 Jul 2024US 12,042,748 B2Alternative Environmental Technologies Sulfex Corp.
- Organic acid surfactant booster for contaminant removal2 Jul 2024US 12,024,676 B2Halliburton Energy Services.Inc.
- Biobased multifunctional additives for hydrocarbon desalting1 Oct 2026US 2026/0297437 A1Solugen, Inc.
- Production of sustainable high-quality oils of white mineral oil purity through treatment of re-refined base oils3 Sep 2026US 2026/0258306 A1HollyFrontier LSP Brand Strategies LLC
- Production of sustainable sulfonates through treatment of re-refined base oils13 Aug 2026US 2026/0234102 A1HollyFrontier LSP Brand Strategies LLC
- Removal of nitrogen from renewable products23 Jul 2026US 2026/0209615 A1Topsoe A/S
- Method for the purification of a plastic liquefaction oil composition11 Jun 2026US 2026/0159763 A1Totalenergies Onetech
Most cited
By later US patents
- Upgrading shale oil by a combination process218US 4,623,444 AOccidental Oil Shale, Inc. · 1986
- Viscosity reduction of oils by sonic treatment59US 6,544,411 B2ExxonMobile Research and Engineering Company · 2003
- Methods of using strong acids modified with acid solutions47US 4,675,120 AAn-Son Petrochemical, Inc. · 1987
- Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction38US 5,087,350 ALaboratorios Paris, C.A. · 1992
- Demetalation of hydrocarbonaceous feedstocks using dibasic carboxylic acids and salts thereof30US 4,853,109 AChevron Research Company · 1989