C10G 17/00
Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming
Official title: Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming compounds or acid-containing liquids, e.g. acid sludge
C10G17/00 (Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming) appears on 186 US grants and 177 published applications in this corpus.
Search patents in C10G- Granted patents
- 186
- Published applications
- 177
- Assignees
- 106
- Inventors
- 416
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 7 |
| 2006 | 0 | 1 |
| 2007 | 2 | 5 |
| 2008 | 2 | 5 |
| 2009 | 2 | 7 |
| 2010 | 6 | 11 |
| 2011 | 6 | 12 |
| 2012 | 3 | 9 |
| 2013 | 8 | 10 |
| 2014 | 14 | 3 |
| 2015 | 8 | 9 |
| 2016 | 11 | 11 |
| 2017 | 5 | 6 |
| 2018 | 7 | 10 |
| 2019 | 5 | 12 |
| 2020 | 5 | 9 |
| 2021 | 16 | 13 |
| 2022 | 9 | 7 |
| 2023 | 9 | 9 |
| 2024 | 7 | 6 |
| 2025 | 2 | 2 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C10G 17/02Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming135
- C10G 17/09Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming11
- C10G 17/10Recovery of used refining agents11
- C10G 17/095Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming9
- C10G 17/08Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming6
Recent patents
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- 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
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Most cited
By later US patents
- Upgrading shale oil by a combination process218US 4,623,444 AOccidental Oil Shale, Inc. · 1986
- Desulfurization process and installation for hydrocarbon reservoir fluids produced by wells83US 4,171,349 AInstitutul de Cercetari si Proiectari Pentru Petrol si Gaze · 1979
- Production of olefins from biorenewable feedstocks71US 7,288,685 B2Uop LLC · 2007
- Viscosity reduction of oils by sonic treatment59US 6,544,411 B2ExxonMobile Research and Engineering Company · 2003
- Processing shale oil to jet fuel49US 4,231,858 ASuntech, Inc. · 1980